highly regio-, diastereo- and enantioselective one-pot ... · s3 table s2. optimization of the...
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S1
Electronic Supplementary Information
Highly regio-, diastereo- and enantioselective one-pot
gold/chiral Brønsted acid-catalysed cascade synthesis of
bioactive diversely substituted tetrahydroquinolines
Xin-Yuan Liu,† Ya-Ping Xiao, † Fung-Ming Siu, Li-Chen Ni, Yong Chen, Lin Wang
and Chi-Ming Che*
Department of Chemistry, State Key Laboratory of Synthetic Chemistry, and Open
Laboratory of Chemical Biology of the Institute of Molecular Technology for Drug
Discovery and Synthesis, The University of Hong Kong, Pokfulam Road, Hong Kong
(P. R. China) † These authors contributed equally.
Table of Contents
Table S1 S2
Table S2
Chart S1
S3
S3
NMR spectra of new compounds S4
HPLC spectra S42
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S2
Table S1. Optimization of the reaction conditions for the one-pot gold/chiral Brønsted acid-catalysed cascade reactionsa
+NH
Cl
3Aa2a
CHO
NH2
Cl
1A
1) (tBu)2(o-diphenyl)PAu(CH3CN)X, 5 Å MS60 °C, 6 h
NH
O
OEt
OEtO
2) 4 (2.5 equiv.), 5a (y mol%), 60 °C, 20 h
4
O
OP OH
O
5a Entry (tBu)2(o-diphenyl)PAu(C
H3CN)X (X =) y Solvent Yield (%)b ee (%)c
1d SbF6- (3 mol %) 10 benzene 87 90
2 SbF6- (3 mol %) 10 benzene 89 97
3 OTf- (3 mol %) 10 benzene 70 96 4 BF4
- (3 mol %) 10 benzene 56 97 5 SbF6
- (2 mol %) 5 benzene 89 97 6 SbF6
- (2 mol %) 3 benzene 90 97 7 SbF6
- (2 mol %) 2 benzene 86 97 8 SbF6
- (1 mol %) 2 benzene 50 97 9 SbF6
- (2 mol %) 3 toluene 93 94 10 SbF6
- (2 mol %) 3 THF 76 93 11 SbF6
- (2 mol %) 3 CH2Cl2 27 91 12 SbF6
- (2 mol %) 3 CH3CN <5 --e a Reaction conditions: 2-amino-5-chlorobenzaldehyde (1A) (0.2 mmol), phenylacetylene (2a) (0.24 mmol), ethyl Hantzsch ester (0.5 mmol), (tBu)2(o-diphenyl)PAu(CH3CN)X, 5a, solvent (3 mL), 5 Å MS (0.5 g), 60 oC. 5a = (R)-3,3’-bis(9-phenanthryl)-1,1’-binaphthalene-2,2’-diyl hydrogen phosphate. b Isolated yield based on 1A. c Determined by HPLC analysis on a chiral phase (Chiralcel OD-H); configuration assigned by comparison with the literature. d
Reaction conditions: 2-amino-5-chlorobenzaldehyde (1A) (0.2 mmol), phenylacetylene (2a) (0.24 mmol), ethyl Hantzsch ester (0.5 mmol), (tBu)2(o-diphenyl)PAu(CH3CN)X, 5a, solvent (3 mL), 60 oC. e No detection.
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S3
Table S2. Optimization of the reaction conditions for diastereo- and enantioselective synthesis of 2,4-disubstituted tetrahydroquinolinea
Entry R Phosphoric acid Yield (%)b d.r.c ee (%)d 1 Et (R)-5a 75 1:1.3 65 2 Et (R)-5b 78 1:1.2 40 4 Et (S)-5c 76 1:2 73 3 Et (R)-5e 73 20:1 86 5 tBu (R)-5e 57 20:1 70
a Reaction conditions: 2-aminobenzophenone (0.2 mmol), 4-ethynylbiphenyl (0.24 mmol), ethyl Hantzsch ester (0.5 mmol), (tBu)2(o-diphenyl)PAu(CH3CN)SbF6 (3 mol%), 5 (5 mol%), benzene (4 mL), 5 Å MS (0.5 g). b Isolated yield based on 2-aminobenzophenone. c Diastereomeric ratio determined by 1H NMR spectroscopy. d
Determined by chiral HPLC analysis.
Chart S1. Structures of 3Lb and 3Lb’.
NH
OMe3Lb
NH
OMe3Lb'
ee: >99% ee: >99%
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S4
ppm (f1)-1.00.01.02.03.04.05.06.07.0
7.32
57.
296
7.26
36.
991
6.96
26.
955
6.94
66.
936
6.90
8
6.46
66.
439
4.39
84.
388
4.36
74.
357
4.07
44.
031
3.83
73.
809
2.95
42.
936
2.91
92.
900
2.88
12.
864
2.84
62.
760
2.74
42.
728
2.70
52.
689
2.67
32.
140
2.12
52.
113
2.11
02.
097
2.08
12.
070
2.05
32.
016
1.99
91.
983
1.96
71.
955
1.95
01.
941
1.93
31.
924
1.90
61.
889
2.02
4.00
1.00
1.00
0.993.04
1.041.03
2.10
NH
Cl
3Ab OMe
ppm (f1)50100150
159.
059
143.
415
136.
456
128.
859
127.
600
126.
673
122.
408
121.
380
114.
946
114.
001
77.5
3976
.694
55.6
1055
.341
30.6
20
26.3
62
NH
Cl
3Ab OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S5
ppm (f1)1.02.03.04.05.06.07.0
7.30
57.
285
7.26
56.
977
6.95
16.
940
6.86
16.
841
6.47
36.
453
4.41
74.
411
4.39
54.
389
4.06
7
3.82
02.
919
2.90
52.
893
2.87
82.
864
2.85
22.
838
2.73
62.
724
2.71
22.
695
2.68
22.
671
2.15
12.
140
2.13
02.
119
2.10
72.
098
2.01
22.
000
1.98
81.
976
1.96
51.
953
1.94
41.
931
1.91
81.13
3.870.82
1.00
1.09
1.05
3.30
1.171.16
1.171.17
NH
Cl
3Ac
OMe
ppm (f1)050100150
159.
894
146.
123
143.
206
129.
645
128.
837
126.
696
122.
381
121.
470
118.
788
114.
943
112.
796
112.
130
77.3
7677
.059
76.7
42
56.0
8355
.249
30.4
55
26.1
59
NH
Cl
3Ac
OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S6
ppm (f1)-1.00.01.02.03.04.05.06.07.0
7.48
67.
467
7.26
47.
245
7.23
67.
215
7.20
37.
004
6.97
46.
495
6.46
8
4.70
24.
692
4.67
24.
662
3.97
62.
963
2.94
52.
928
2.90
82.
890
2.87
32.
855
2.78
52.
769
2.75
32.
730
2.71
42.
698
2.41
02.
163
2.14
72.
135
2.12
02.
104
2.09
22.
076
1.97
21.
955
1.93
81.
925
1.90
91.
893
1.88
21.
865
1.84
7
1.00
2.96
1.85
0.96
0.97
0.93
0.960.99
2.93
1.041.08
NH
Cl
3Ad
CH3
ppm (f1)050100
143.
600
142.
179
134.
719
130.
605
128.
864
127.
199
126.
708
126.
456
125.
909
122.
323
121.
350
114.
925
77.4
8977
.064
76.6
41
52.1
21
28.7
19
26.3
24
19.0
61
NH
Cl
3Ad
CH3
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S7
ppm (f1)0.01.02.03.04.05.06.07.0
7.28
87.
268
7.20
27.
182
6.98
76.
963
6.95
7
6.46
76.
446
4.41
54.
407
4.39
24.
384
4.03
02.
932
2.91
92.
906
2.89
22.
878
2.86
52.
851
2.74
82.
736
2.72
42.
706
2.69
42.
682
2.38
52.
141
2.12
92.
120
2.10
82.
096
2.08
82.
075
2.01
11.
999
1.98
81.
985
1.97
51.
966
1.96
21.
955
1.95
21.
949
1.94
31.
929
1.91
72.041.89
1.71
1.00
1.03
0.95
1.171.14
3.17
1.141.10
NH
Cl
3Ae CH3
ppm (f1)50100
143.
359
141.
397
137.
241
129.
302
128.
844
126.
672
126.
389
122.
395
121.
386
114.
903
109.
973
77.3
7877
.061
76.7
43
55.8
96
31.5
43
30.5
2230
.185
29.7
38
26.2
7121
.112
NH
Cl
3Ae CH3
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S8
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.63
47.
624
7.61
77.
604
7.49
77.
478
7.46
67.
446
7.40
37.
385
7.36
67.
260
7.01
26.
990
6.50
16.
481
4.50
04.
492
4.47
74.
470
4.09
52.
955
2.94
22.
930
2.91
52.
901
2.88
82.
875
2.77
62.
764
2.75
22.
735
2.72
32.
711
2.19
92.
187
2.17
82.
166
2.15
42.
146
2.13
4
2.06
82.
056
2.04
32.
033
2.02
02.
009
2.00
01.
987
1.97
5
4.053.970.87
1.72
1.00
1.03
0.99
1.061.10
1.071.12
NH
Cl
3Af Ph
ppm (f1)050100
143.
439
143.
242
140.
764
140.
548
128.
895
128.
834
127.
363
127.
078
126.
933
126.
750
122.
409
121.
540
114.
992
77.3
8977
.071
76.7
54
55.8
46
30.4
67
26.1
66
NH
Cl
3Af Ph
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S9
ppm (f1)0.05.0
7.36
27.
356
7.33
37.
326
7.31
87.
311
7.30
27.
296
7.28
77.
280
7.26
06.
970
6.95
26.
946
6.47
86.
473
6.46
06.
456
4.42
54.
417
4.40
24.
394
4.02
6
2.90
02.
887
2.87
52.
859
2.84
52.
833
2.82
02.
705
2.69
32.
681
2.66
42.
652
2.63
92.
117
2.10
82.
104
2.09
52.
091
2.08
42.
076
2.07
12.
063
2.05
82.
050
1.96
61.
953
1.94
31.
940
1.93
31.
930
1.92
71.
920
1.91
81
910
187
2
3.73
1.69
1.00
1.04
0.89
1.161.17
1.181.17
NH
Cl
3Ag Cl
ppm (f1)50100
142.
937
142.
877
133.
155
128.
856
128.
735
127.
803
126.
762
122.
281
121.
747
115.
008
77.3
1476
.998
76.6
81
55.4
57
30.4
56
25.8
95
NH
Cl
3Ag Cl
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S10
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.63
57.
615
7.50
77.
487
7.26
06.
993
6.98
56.
978
6.97
26.
513
6.50
36.
500
6.49
0
4.53
14.
523
4.50
94.
501
4.09
22.
917
2.90
32.
892
2.87
62.
862
2.85
02.
837
2.71
12.
698
2.68
52.
669
2.65
62.
644
2.17
12.
158
2.14
92.
137
2.12
52.
116
2.10
32.
015
2.00
21.
992
1.99
01.
980
1.97
71.
968
1.95
61.
947
1.93
51.
922
1.801.95
1.67
0.98
1.00
0.98
1.081.10
1.081.11
NH
Cl
3Ah CF3
ppm (f1)50100150
148.
478
142.
794
129.
943
129.
622
128.
902
126.
852
126.
811
125.
600
125.
563
122.
289
121.
892
115.
119
77.3
5977
.041
76.7
24
55.6
43
30.3
47
25.7
24
NH
Cl
3Ah CF3
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S11
ppm (f1)-1.00.01.02.03.04.05.06.07.08.0
7.64
57.
634
7.62
57.
484
7.46
37.
271
7.26
06.
992
6.98
66.
969
6.52
26.
513
6.50
76.
496
6.49
0
4.53
14.
522
4.51
04.
501
4.09
82.
888
2.87
52.
864
2.84
92.
834
2.82
32.
810
2.67
22.
659
2.64
62.
631
2.61
82.
604
2.15
32.
144
2.14
02.
131
2.12
62.
120
2.11
72.
111
2.10
72.
098
2.09
32.
084
1.98
21.
969
1.96
01.
958
1.94
81.
937
1.92
51.
915
1.90
41.
891
1.762.00
1.69
1.00
1.03
0.88
1.111.13
1.121.14
NH
Cl
3Ai CN
ppm (f1)050100150
149.
950
142.
526
132.
469
128.
899
127.
229
126.
922
126.
827
126.
801
122.
176
122.
040
118.
772
115.
187
111.
274
77.4
9177
.068
76.6
46
55.5
87
31.5
1730
.182
29.7
0525
.469
NH
Cl
3Ai CN
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S12
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.75
57.
728
7.70
5
7.46
37.
460
7.44
27.
439
7.26
0
7.18
47.
178
7.16
27.
152
6.99
76.
979
6.97
3
6.49
76.
476
4.55
54.
547
4.53
24.
524
4.12
43.
932
2.94
52.
932
2.91
92.
905
2.89
12.
878
2.86
42.
753
2.74
22.
730
2.71
22.
700
2.68
92.
193
2.18
12.
172
2.16
12.
149
2.14
02.
128
2.08
92.
077
2.06
52.
053
2.04
12.
029
2.02
12.
008
1.99
5
2.97
0.98
1.931.71
0.97
1.00
0.963.16
1.041.05
1.031.08
NH
Cl
3Aj OMe
ppm (f1)50100150
157.
683
143.
315
139.
437
134.
098
129.
306
128.
864
128.
813
127.
252
126.
710
125.
207
124.
956
122.
459
121.
445
119.
038
114.
953
105.
687
77.3
6877
.050
76.7
33
56.1
4755
.328
30.4
71
26.2
66
NH
Cl
3Aj OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S13
ppm (f1)0.01.02.03.04.05.06.07.0
7.29
47.
273
7.26
06.
918
6.91
16.
889
6.60
96.
604
6.58
96.
584
6.50
16.
496
4.39
74.
389
4.37
44.
366
4.05
83.
820
2.88
72.
874
2.86
12.
847
2.83
32.
820
2.80
72.
722
2.71
02.
698
2.68
12.
669
2.65
72.
116
2.10
32.
095
2.08
32.
071
2.06
22.
050
1.97
91.
967
1.95
31.
943
1.93
41.
930
1.91
71.
911
1.89
71.
885
2.00
2.81
0.790.84
1.00
0.93
3.07
1.071.09
1.081.09
NH
3Bb OMe
Cl
ppm (f1)050100150
159.
040
145.
708
136.
335
132.
073
130.
189
127.
550
119.
174
116.
758
113.
987
113.
275
77.3
6777
.049
76.7
32
55.4
0755
.325
30.7
12
25.9
08
NH
3Bb OMe
Cl
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S14
ppm (f1)-1.00.01.02.03.04.05.06.07.08.0
7.31
17.
290
7.26
0
6.95
26.
932
6.92
06.
914
6.89
86.
740
6.72
16.
439
6.41
94.
343
4.33
64.
319
4.31
24.
103
3.82
62.
954
2.94
12.
930
2.91
12.
898
2.88
72.
861
2.84
72.
835
2.82
02.
804
2.79
22.
777
2.17
42.
165
2.15
72.
151
2.14
12.
132
2.12
42.
118
2.10
92.
011
1.99
71.
985
1.97
81.
971
1.96
11.
953
1.94
61.
939
1.92
81.
913
2.02
2.920.81
1.00
1.040.93
3.18
1.101.13
1.131.13
NH
3Cb OMe
Cl
ppm (f1)050100150
159.
071
146.
393
136.
168
134.
734
127.
614
127.
279
118.
826
117.
695
114.
003
112.
361
77.3
7277
.054
76.7
36
55.3
3055
.188
30.7
73
24.4
60
NH
3Cb OMe
Cl
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S15
ppm (f1)0.05.0
7.31
07.
281
7.27
27.
261
7.11
77.
108
7.08
07.
072
6.93
46.
924
6.91
86.
895
6.88
66.
416
6.38
84.
391
4.38
04.
360
4.34
94.
065
4.03
43.
849
3.82
83.
800
3.79
62.
944
2.92
52.
909
2.88
92.
871
2.85
42.
835
2.74
92.
733
2.71
72.
694
2.67
82.
662
2.12
82.
112
2.10
02.
084
2.06
92.
057
2.04
02.
001
1.98
41.
966
1.95
31.
940
1.93
51.
926
1.92
21.
918
1.90
91
874
2.041.951.98
1.00
0.99
0.962.96
1.021.03
1.021.06
NH
Br
3Db OMe
ppm (f1)050100150
159.
053
143.
831
136.
400
131.
691
129.
520
127.
588
122.
940
115.
382
114.
001
108.
432
77.1
0876
.685
55.5
3655
.350
30.5
40
26.2
77
NH
Br
3Db OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S16
ppm (f1)0.05.0
7.33
67.
315
6.93
06.
909
6.76
46.
743
6.72
56.
719
6.47
96.
467
6.46
06.
456
6.44
34.
359
4.35
24.
335
4.32
83.
912
3.89
33.
834
3.78
12.
978
2.96
42.
951
2.93
72.
923
2.90
92.
895
2.77
02.
759
2.74
82.
729
2.71
72.
706
2.11
52.
108
2.10
22.
092
2.08
32.
076
2.06
92.
060
2.01
72.
004
1.99
11.
979
1.96
51.
959
1.95
31.
947
1.93
31.
920
1.96
1.901.84
0.96
1.00
0.663.16
1.081.10
1.091.14
NH
F
3Eb OMe
ppm (f1)050100150
159.
016
156.
682
154.
349
141.
103
136.
644
127.
631
122.
214
122.
149
115.
532
115.
317
114.
677
114.
601
113.
958
113.
457
113.
234
77.4
1077
.093
76.7
74
55.8
2755
.315
30.8
34
26.7
35
NH
F
3Eb OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S17
ppm (f1)0.05.0
7.32
07.
313
7.30
87.
296
7.29
17.
284
7.26
07.
092
7.07
36.
938
6.93
06.
925
6.91
46.
909
6.90
16.
887
6.86
86.
741
4.44
54.
437
4.42
24.
413
4.18
7
3.82
92.
975
2.96
22.
949
2.93
42.
920
2.90
72.
894
2.81
22.
800
2.78
92.
771
2.75
92.
747
2.15
62.
144
2.13
52.
132
2.12
32.
112
2.10
32.
090
2.01
92.
007
1.99
61.
993
1.98
41.
981
1.97
41.
970
1.96
31.
960
1.95
71
951
2.181.083.021.00
1.131.05
3.42
1.211.17
1.201.16
NH
3Fb OMe
F3C
ppm (f1)050100150
159.
133
144.
849
136.
190
129.
480
129.
407
129.
092
127.
525
125.
784
124.
364
123.
082
114.
049
113.
279
113.
241
110.
145
110.
107
77.3
5277
.033
76.7
16
55.5
1755
.293
30.4
32
26.3
41
NH
3Fb OMe
F3C
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S18
ppm (f1)0.05.0
7.70
07.
683
7.67
87.
280
7.27
37.
268
7.25
97.
256
7.25
17.
244
6.90
66.
899
6.89
46.
882
6.87
76.
870
6.47
76.
472
6.45
54.
473
4.46
74.
452
4.44
3
3.84
43.
807
2.92
32.
910
2.89
72.
882
2.86
92.
856
2.84
32.
778
2.76
62.
753
2.73
72.
725
2.71
3
2.12
62.
117
2.10
52.
094
2.08
42.
072
1.98
51.
973
1.96
01.
951
1.94
81.
941
1.93
71.
925
1.91
81.
904
1.89
2
1.73
2.04
1.86
1.00
1.93
2.913.06
1.041.06
1.051.06
NH
MeO2C
3Gb OMe
ppm (f1)050100150
167.
446
159.
131
148.
721
135.
950
131.
127
129.
222
127.
515
119.
678
117.
905
114.
043
112.
670
77.3
4277
.024
76.7
06
55.5
4555
.313
51.4
60
30.3
55
26.0
07
NH
MeO2C
3Gb OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S19
ppm (f1)0.05.0
7.34
17.
336
7.31
97.
260
6.92
56.
918
6.91
36.
901
6.89
66.
889
6.85
46.
836
6.48
76.
465
4.37
94.
371
4.35
54.
348
3.89
33.
887
3.82
92.
967
2.95
32.
939
2.92
62.
912
2.89
82.
884
2.76
12.
749
2.73
82.
720
2.70
82.
697
2.25
62.
113
2.10
92.
104
2.10
02.
090
2.08
02.
076
2.07
22.
068
2.05
82.
026
2.01
32.
002
1.99
91.
993
1.98
91.
986
1.98
11.
975
1.97
01.
966
196
21
957
1.92
1.811.92
1.00
1.00
0.883.08
1.091.08
3.151.091.01
NH
H3C
3Ib OMe
ppm (f1)050100150
158.
906
142.
505
137.
061
129.
821
127.
638
127.
388
126.
325
120.
924
114.
115
113.
887
77.3
7077
.053
76.7
35
55.8
7755
.314
31.2
98
26.5
79
20.4
47
NH
H3C
3Ib OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S20
ppm (f1)0.05.0
7.30
47.
283
7.27
67.
251
6.90
46.
898
6.89
16.
885
6.87
46.
869
6.86
26.
251
6.24
56.
231
6.22
56.
093
6.08
74.
373
4.36
54.
349
4.34
14.
002
3.80
53.
742
2.84
12.
828
2.81
42.
801
2.70
22.
690
2.67
82.
662
2.65
02.
638
2.08
32.
073
2.06
22.
051
2.04
32.
030
1.98
21.
969
1.95
51.
949
1.94
51.
942
1.93
71.
931
1.92
61.
922
1.91
81.
913
2.12
3.11
1.001.02
1.04
0.903.163.23
1.081.12
1.121.17
NH
3Jb OMe
H3CO
ppm (f1)050100150
158.
938
145.
599
136.
812
129.
897
127.
619
113.
904
113.
540
103.
003
99.2
11
77.3
4577
.028
76.7
10
55.6
8055
.322
55.1
85
31.3
45
25.7
86
NH
3Jb OMe
H3CO
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S21
ppm (f1)1.02.03.04.05.06.07.0
7.31
57.
310
7.29
87.
293
7.28
67.
260
6.90
96.
902
6.89
76.
885
6.88
06.
514
6.13
5
5.82
15.
817
5.81
55.
811
4.31
24.
304
4.28
84.
280
3.81
42.
861
2.84
72.
834
2.82
02.
678
2.66
62.
655
2.62
62.
614
2.17
9
2.05
82.
048
2.04
32.
040
2.03
5
1.98
01.
968
1.96
61.
955
1.95
31.
941
1.92
81.99
1.85
0.82
0.85
1.95
1.00
3.02
1.13
1.15
1.111.17
NH
3Kb OMe
O
O
ppm (f1)050100150
158.
943
146.
277
139.
535
139.
410
136.
808
127.
608
113.
905
112.
636
109.
010
100.
259
96.3
66
77.3
4977
.031
76.7
14
55.8
9955
.295
31.5
1131
.232
30.1
5426
.621
NH
3Kb OMe
O
O
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S22
ppm (f1)1.02.03.04.05.06.07.0
7.26
47.
256
7.24
57.
239
7.23
07.
126
7.11
87.
108
7.10
27.
014
7.00
87.
002
6.99
76.
992
6.50
76.
495
6.48
4
5.27
9
4.93
84.
927
3.62
13.
220
3.20
93.
206
3.19
43.
183
3.18
03.
168
2.87
22.
847
2.83
4
3.062.011.93
1.00
1.01
0.73
2.99
0.99
2.12
NH
3Ak
Cl CO2Me
ppm (f1)050100150
172.
148
142.
053
141.
624
129.
099
128.
537
128.
402
127.
892
127.
322
126.
758
126.
676
121.
621
120.
322
114.
495
77.3
9077
.071
76.7
53
55.9
0551
.679
42.9
69
24.9
00
NH
3Ak
Cl CO2Me
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S23
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.25
67.
249
7.24
47.
235
7.22
3
7.15
37.
141
7.12
97.
121
7.01
07.
003
6.98
96.
981
6.51
46.
504
6.49
36.
483
4.94
44.
930
4.42
04.
109
4.10
24.
085
4.07
84.
061
4.05
54.
043
4.03
74.
031
4.01
93.
199
3.19
33.
179
3.16
53.
160
3.14
52.
886
2.85
32.
841
2.80
5
1.25
41.
204
1.18
01.
156
3.151.941.91
1.00
0.99
0.91
2.01
0.99
2.01
3.13
NH
3Al
Cl CO2Et
ppm (f1)050100150
171.
704
142.
086
141.
659
129.
071
128.
326
127.
830
127.
261
126.
799
121.
559
120.
418
114.
482
77.3
8777
.070
76.7
51
60.6
81
55.9
14
43.0
01
24.9
50
14.1
10
NH
3Al
Cl CO2Et
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S24
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.30
07.
290
7.28
67.
278
7.26
97.
263
7.26
07.
255
7.14
87.
142
7.13
77.
129
7.12
57.
019
7.00
06.
994
6.53
06.
509
5.29
1
4.91
24.
902
4.41
1
3.22
73.
215
3.20
33.
191
3.17
92.
967
2.94
22.
925
2.90
02.
861
2.84
92.
820
2.80
72.
023
3.422.011.87
1.00
1.03
0.93
1.02
2.14
3.06
NH
3Am
ClO
ppm (f1)050100150200
207.
969
142.
139
141.
236
129.
015
128.
510
127.
904
127.
191
126.
585
121.
782
120.
500
114.
762
77.4
8877
.066
76.6
43
56.0
61
50.3
06
29.7
4629
.684
29.3
4425
.487
NH
3Am
ClO
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S25
ppm (f1)1.02.03.04.05.06.07.08.0
7.31
57.
309
7.29
17.
276
7.19
17.
186
7.17
2
7.03
67.
029
7.02
47.
012
6.99
36.
814
6.79
56.
546
6.53
46.
523
5.04
15.
031
4.46
44.
438
4.42
24.
401
4.36
03.
667
3.65
53.
644
3.63
43.
622
3.01
22.
990
2.97
02.
947
2.87
82.
865
2.83
62.
823
4.751.98
1.73
1.00
2.62
1.02
3.12
1.00
1.051.15
NH
3An
ClO
OPh
ppm (f1)050100150200
205.
984
157.
592
142.
086
140.
982
129.
684
129.
003
128.
689
128.
112
127.
271
126.
589
122.
002
121.
864
120.
292
114.
928
114.
630
77.3
9777
.080
76.7
63
73.0
76
55.8
17
46.3
76
25.4
45
NH
3An
ClO
OPh
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S26
ppm (f1)0.05.010.0
7.94
47.
927
7.92
07.
915
7.60
57.
599
7.58
57.
581
7.57
77.
524
7.50
37.
498
7.47
57.
471
7.26
17.
191
7.18
77.
174
7.16
87.
161
7.15
47.
148
7.14
27.
133
7.12
97.
123
7.11
37.
069
7.06
37.
034
7.02
66.
855
6.85
06.
837
6.83
06.
824
6.57
96.
551
5.02
95.
019
5.00
9
4.49
74.
495
4.48
7
4.19
04.
176
4.16
74.
153
4.13
93.
134
3.07
73.
040
2.80
92.
796
1.75
1.071.82
2.671.861.831.00
1.01
0.99
1.22
1.43
1.28
NH
3Ao
ClO
Ph
ppm (f1)050100150200
199.
092
142.
026
140.
895
136.
904
133.
233
129.
197
128.
952
128.
623
128.
574
128.
521
128.
322
128.
172
128.
049
127.
861
127.
431
127.
214
126.
650
121.
808
121.
244
114.
483
77.3
9177
.073
76.7
56
56.9
40
44.4
74
29.7
3124
.950
NH
3Ao
ClO
Ph
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S27
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.30
57.
301
7.29
37.
289
7.28
27.
277
7.26
97.
264
7.15
07.
140
7.13
07.
122
7.11
76.
477
6.45
7
5.28
8
4.89
1
4.47
6
3.20
63.
194
3.18
23.
170
3.15
82.
951
2.92
62.
910
2.88
52.
833
2.82
12.
792
2.77
9
2.02
8
2.993.77
1.00
1.08
1.01
1.00
1.101.14
3.07
NH
3Dm
BrO
ppm (f1)050100150200
207.
888
142.
614
141.
216
131.
915
130.
077
128.
558
127.
965
126.
634
121.
077
115.
232
108.
890
77.3
9977
.080
76.7
65
56.0
53
50.2
84
29.7
7325
.444
NH
3Dm
BrO
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S28
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.30
07.
287
7.27
07.
265
7.25
27.
247
7.21
57.
208
7.16
87.
160
7.14
27.
137
6.53
36.
184
5.83
8
4.83
64.
823
4.17
4
3.21
53.
200
3.19
63.
183
3.17
13.
166
3.15
22.
902
2.87
22.
848
2.81
52.
794
2.75
8
2.16
2
2.02
9
3.211.93
1.00
0.96
2.02
1.03
0.94
1.02
2.05
2.98
NH
3Km
OO
O
ppm (f1)050100150200
207.
959
149.
023
146.
291
141.
097
139.
384
137.
568
128.
091
127.
939
127.
219
126.
096
110.
169
108.
484
99.9
3595
.611
76.9
3476
.509
76.0
87
55.8
0150
.502
29.1
4025
.271
NH
3Km
OO
O
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S29
ppm (f1)1.02.03.04.05.06.07.0
7.23
77.
069
7.04
97.
003
6.99
06.
983
6.97
36.
967
6.48
96.
484
6.46
6
5.26
6
4.84
44.
834
4.40
5
3.17
53.
163
3.15
13.
139
3.12
72.
928
2.90
32.
887
2.86
2
2.80
32.
790
2.76
12.
749
2.28
8
2.23
62.
073
2.02
1
1.96
9
2.114.03
1.00
1.02
0.94
1.02
1.111.09
3.05
3.00
NH
3Ap
ClO
CH3
ppm (f1)050100150200
208.
087
142.
243
138.
259
137.
637
129.
230
129.
057
127.
207
126.
512
121.
775
120.
612
114.
787
77.4
2077
.102
76.7
84
55.8
96
50.4
36
29.8
1925
.516
21.0
88
NH
3Ap
ClO
CH3
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S30
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.58
27.
579
7.56
17.
525
7.50
57.
463
7.44
57.
426
7.37
87.
360
7.34
27.
259
7.21
97.
198
7.05
07.
034
7.02
86.
542
6.53
46.
527
6.52
05.
286
4.93
94.
930
4.49
8
3.23
23.
221
3.20
93.
196
3.18
42.
997
2.97
12.
955
2.93
0
2.86
32.
851
2.82
12.
809
2.08
6
2.102.021.990.912.021.79
1.00
1.04
1.01
1.01
1.051.06
3.00
NH
3Aq
ClO
Ph
ppm (f1)050100150200
207.
932
142.
186
140.
677
140.
369
140.
341
129.
134
128.
856
127.
686
127.
482
127.
318
127.
174
126.
985
126.
887
121.
900
120.
591
114.
883
77.4
6277
.144
76.8
27
55.8
3750
.378
29.8
0925
.561
NH
3Aq
ClO
Ph
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S31
ppm (f1)0.01.02.03.04.05.06.07.0
7.26
47.
247
7.21
97.
076
7.04
87.
017
7.01
07.
002
6.53
06.
516
6.50
0
4.89
24.
880
4.45
5
3.20
13.
187
3.18
13.
168
3.15
73.
151
3.13
72.
925
2.89
42.
869
2.85
02.
838
2.83
22.
794
2.06
42.
024
2.02
01.
973
1.973.94
1.01
1.00
0.96
0.98
2.02
2.90
NH
3Ar
ClO
Cl
ppm (f1)050100150200
207.
699
141.
836
139.
836
133.
676
129.
128
128.
660
128.
578
128.
112
127.
401
122.
078
120.
314
114.
872
77.5
0877
.084
76.6
62
55.4
2150
.173
29.7
8925
.365
NH
3Ar
ClO
Cl
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S32
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.56
07.
532
7.26
07.
232
7.04
77.
037
7.02
66.
568
6.55
66.
551
6.53
8
5.00
04.
986
3.26
13.
247
3.24
13.
228
3.21
63.
209
3.19
52.
907
2.87
02.
852
2.83
72.
168
2.12
0
1.81
2.18
1.97
1.00
1.01
1.04
2.01
3.01NH
3As
ClO
CN
ppm (f1)050100150200
207.
176
146.
692
141.
428
132.
228
129.
240
127.
698
127.
644
124.
598
122.
491
120.
053
119.
956
118.
485
114.
970
111.
755
77.4
6577
.245
77.0
4276
.956
76.6
16
55.5
71
49.9
6949
.857
29.6
9625
.248
25.1
2725
.084
NH
3As
ClO
CN
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S33
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.77
17.
576
7.55
17.
525
7.49
87.
467
7.44
37.
417
7.37
87.
355
7.33
1
7.26
47.
218
7.18
67.
158
6.51
06.
483
5.29
7
4.95
1
4.50
2
3.25
03.
234
3.21
73.
201
3.18
63.
022
2.98
92.
967
2.93
32.
879
2.86
32.
824
2.80
82.
263
2.09
77.07
3.89
1.00
0.99
1.00
0.97
2.06
3.06
NH
3Dq
BrO
Ph
ppm (f1)050100150200
207.
921
142.
583
140.
726
140.
366
140.
239
131.
996
130.
164
128.
966
128.
844
127.
475
127.
352
127.
163
126.
999
121.
094
115.
293
108.
975
77.5
2877
.104
76.6
80
55.7
7650
.299
29.8
3325
.421
NH
3Dq
BrO
Ph
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S34
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.35
27.
323
7.31
47.
286
7.28
37.
262
7.23
37.
209
7.20
07.
184
7.17
77.
158
7.00
06.
976
6.95
26.
876
6.84
7
6.63
56.
610
6.55
76.
531
6.50
44.
538
4.52
64.
505
4.49
34.
297
4.27
64.
260
4.23
93.
981
3.79
53.
757
2.26
02.
252
2.22
92.
217
2.20
92.
196
2.15
72.
114
7.58
1.132.12
1.112.01
1.00
1.07
0.96
3.10
2.17
NH3Lb OMe
ppm (f1)50100150
159.
117
145.
403
136.
003
129.
666
128.
691
128.
519
128.
252
127.
713
127.
195
126.
453
124.
703
117.
513
114.
242
113.
983
77.5
0077
.077
76.6
51
56.6
3655
.292
45.0
0442
.131
NH3Lb OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S35
ppm (f1)0.05.0
7.34
37.
331
7.32
17.
314
7.29
57.
254
7.25
17.
236
7.22
67.
221
7.21
77.
200
6.94
36.
939
6.92
26.
917
6.88
66.
864
6.84
0
6.58
86.
585
6.46
66.
445
5.26
74.
524
4.51
64.
496
4.48
94.
242
4.22
84.
212
4.19
84.
011
3.78
43.
769
2.25
32.
245
2.23
92.
231
2.22
02.
213
2.20
62.
199
2.19
12.
162
2.15
22.
133
2.10
1
4.053.24
1.002.03
0.920.99
0.98
1.031.003.09
2.21NH
3Mb OMe
Cl
ppm (f1)050100150
159.
249
144.
473
144.
043
135.
565
129.
206
128.
750
128.
602
128.
420
127.
708
127.
120
126.
798
126.
320
121.
957
115.
326
114.
068
113.
960
77.3
8977
.072
76.7
54
56.6
35
55.3
51
44.9
4141
.674
NH
3Mb OMe
Cl
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S36
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.49
27.
464
7.44
57.
427
7.39
87.
183
7.15
5
7.09
67.
089
7.06
67.
047
7.04
26.
963
6.93
46.
673
6.64
66.
618
6.59
3
4.60
14.
592
4.56
54.
556
4.34
84.
329
4.30
94.
289
4.07
53.
848
2.27
62.
266
2.25
62.
248
2.21
02.
171
2.072.07
2.031.182.14
3.20
1.00
1.08
1.00
3.31
2.27
NH
3Nb OMe
Br
ppm (f1)050100150
159.
250
145.
513
144.
589
135.
811
131.
702
130.
518
130.
111
129.
614
128.
753
127.
782
127.
508
124.
060
120.
231
117.
680
114.
458
114.
101
77.6
0177
.177
76.7
53
56.5
83
55.3
88
44.5
3542
.137
NH
3Nb OMe
Br
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S37
ppm (f1)0.01.02.03.04.05.06.07.08.0
7.41
87.
389
7.26
57.
240
7.10
07.
074
7.05
0
6.98
26.
953
6.79
76.
772
6.74
76.
576
6.54
9
4.50
44.
496
4.46
64.
458
3.97
73.
873
3.21
03.
189
3.16
93.
149
2.17
32.
164
2.15
62.
146
2.13
02.
121
2.11
32.
104
1.87
31.
833
1.79
21.
752
1.43
51.
413
1.35
12.081.051.091.991.01
0.95
1.00
0.943.07
0.97
1.03
1.05
3.14
NH
CH3
3Ob OMe
ppm (f1)050100150
159.
094
144.
887
136.
668
128.
964
127.
761
126.
945
126.
901
126.
038
117.
493
114.
114
114.
010
77.5
4677
.123
76.6
99
56.3
9855
.367
41.7
0938
.307
31.3
57
20.1
79
NH
CH3
3Ob OMe
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S38
ppm (f1)0.05.010.0
7.60
07.
596
7.57
97.
563
7.53
97.
518
7.45
97.
454
7.44
07.
421
7.36
47.
346
7.34
07.
338
7.33
47.
319
7.30
17.
271
7.25
87.
235
7.22
97.
222
7.21
8
7.04
47.
025
7.00
76.
664
6.64
56.
611
6.59
96.
591
6.58
06.
562
4.68
54.
678
4.65
84.
651
4.35
84.
344
4.32
84.
314
4.11
32.
355
2.34
82.
341
2.33
02.
322
2.31
62.
308
2.30
22.
272
2.26
52.
244
2.21
2
4.462.122.309.551.05
3.04
1.00
1.070.92
2.32NH
Ph3Lf
ppm (f1)50100150
145.
335
145.
295
142.
980
140.
809
140.
727
129.
719
128.
814
128.
729
128.
568
127.
415
127.
333
127.
286
127.
186
127.
098
126.
534
124.
775
117.
683
114.
341
77.3
8077
.063
76.7
45
57.0
04
44.9
7742
.100
NH
Ph3Lf
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S39
ppm (f1)1.02.03.04.05.06.07.08.09.0
7.57
47.
554
7.52
77.
506
7.48
27.
462
7.43
67.
417
7.39
87.
343
7.32
67.
307
7.28
87.
247
7.23
07.
220
7.20
06.
958
6.95
36.
937
6.93
26.
608
6.47
96.
458
5.23
74.
599
4.59
34.
571
4.56
54.
256
4.24
24.
226
4.21
24.
051
2.30
12.
294
2.28
82.
275
2.26
82.
262
2.25
62.
235
2.20
62.
176
4.232.052.183.273.21
0.98
0.941.00
1.00
1.000.98
2.18
NH
Ph3Mf
Cl
ppm (f1)050100150
144.
376
143.
948
142.
559
140.
884
140.
740
129.
263
128.
875
128.
811
128.
643
127.
611
127.
488
127.
433
127.
218
127.
120
127.
068
126.
885
126.
379
122.
144
115.
468
77.4
3077
.112
76.7
94
56.9
68
44.9
0141
.656
NH
Ph3Mf
Cl
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S40
ppm (f1)0.05.010.0
7.43
07.
424
7.40
27.
399
7.36
57.
360
7.35
47.
337
7.33
17.
308
7.30
37.
294
7.28
87.
283
7.27
17.
251
7.24
67.
236
7.22
77.
219
7.21
47.
201
7.19
87.
192
6.95
06.
942
6.92
26.
914
6.59
86.
593
6.59
06.
471
6.44
34.
570
4.56
04.
534
4.52
4
4.25
34.
234
4.21
34.
194
4.03
52.
281
2.27
22.
262
2.24
82.
237
2.22
92.
216
2.17
62.
138
2.09
5
2.288.66
1.00
0.981.01
1.01
1.051.05
2.22
NH
3Ma
Cl
ppm (f1)050100
143.
843
143.
414
142.
943
128.
668
128.
218
128.
069
127.
918
127.
370
126.
621
126.
294
126.
046
125.
788
121.
499
114.
843
76.9
6876
.544
76.1
19
56.7
02
44.3
4041
.129
NH
3Ma
Cl
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S41
ppm (f1)0.05.0
7.49
67.
481
7.47
47.
467
7.45
6
7.36
87.
363
7.35
77.
340
7.33
57.
313
7.29
27.
287
7.28
27.
268
7.23
57.
230
7.22
37.
207
7.20
46.
988
6.98
66.
980
6.97
86.
960
6.95
76.
952
6.94
96.
612
6.60
86.
604
6.60
06.
530
6.50
25.
309
4.58
14.
572
4.54
44.
535
4.27
94.
260
4.23
94.
220
4.04
32.
282
2.27
32.
264
2.24
82.
238
2.23
02.
220
2.19
42.
157
2.15
42.
116
2.11
02.
073
1.757.55
0.90
0.880.89
1.00
1.040.98
2.24NH
3Mu
Cl
Br
ppm (f1)050100
144.
154
143.
662
142.
503
131.
826
129.
231
128.
790
128.
554
128.
305
127.
211
126.
903
126.
296
122.
377
121.
543
115.
512
77.3
5577
.038
76.7
21
56.6
94
44.7
4241
.641
NH
3Mu
Cl
Br
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S42
HPLC spectra of 3Aa:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S43
HPLC spectra of 3Ab:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S44
HPLC spectra of 3Ac:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S45
HPLC spectra of 3Ad:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S46
HPLC spectra of 3Ae:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S47
HPLC spectra of 3Af:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S48
HPLC spectra of 3Ag:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S49
HPLC spectra of 3Ah:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S50
HPLC spectra of 3Ai:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S51
HPLC spectra of 3Aj:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S52
HPLC spectra of 3Bb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S53
HPLC spectra of 3Cb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S54
HPLC spectra of 3Db:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S55
HPLC spectra of 3Eb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S56
HPLC spectra of 3Fb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S57
HPLC spectra of 3Gb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S58
HPLC spectra of 3Hb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S59
HPLC spectra of 3Ib:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S60
HPLC spectra of 3Jb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S61
HPLC spectra of 3Kb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S62
HPLC spectra of 3Ak:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S63
HPLC spectra of 3Al:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S64
HPLC spectra of 3Am:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S65
HPLC spectra of 3An:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S66
HPLC spectra of 3Ao:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S67
HPLC spectra of 3Dm:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S68
HPLC spectra of 3Km:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S69
HPLC spectra of 3Ap:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S70
HPLC spectra of 3Aq:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S71
HPLC spectra of 3Ar:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S72
HPLC spectra of 3As:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S73
HPLC spectra of 3Dq:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S74
HPLC spectra of 3Lb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S75
HPLC spectra of 3Mb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S76
HPLC spectra of 3Nb:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S77
HPLC spectra of 3Ob:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S78
HPLC spectra of 3Lf:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S79
HPLC spectra of 3Mf:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S80
HPLC spectra of 3Ma:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S81
HPLC spectra of 3Mu:
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012
S82
Electronic Supplementary Material (ESI) for Organic & Biomolecular ChemistryThis journal is © The Royal Society of Chemistry 2012