radiation and solvent-free system fast synthesis of …1 supplementary information fast synthesis of...

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1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system Rafaely N. Lima a , Valdenizia R. Silva b , Luciano de S. Santos b , Daniel P. Bezerra b , Milena B. P. Soares b , André L. M. Porto a* a Laboratório de Química Orgânica e Biocatálise, Instituto de Química de São Carlos, Universidade de São Paulo, Av. João Dagnone, 1100, Ed. Química Ambiental, Santa Angelina, 13563-120, São Carlos-SP, Brazil. Tel.: +55 16 33738103; Fax: + 55 16 33739952; e-mail: [email protected]*. b Fundação Oswaldo Cruz, Centro de Pesquisas Gonçalo Moniz, R. Waldemar Falcão, 121, 40296-710, Candeal, Salvador-BA, Brazil. Summary 1. Chromatograms, GC-MS, FTIR and NMR data for the amides S-Aa to S-Aj ..........1 2. Analytical curve of ethyl salicylate ES ....................................................................22 3. References ................................................................................................................22 1. Chromatograms, GC-MS, FTIR and NMR data for the amides S-Aa to S-Aj 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 (x1,000,000) TIC Figure S1. Chromatogram obtained by GC-MS (EI, 70 eV) of 2-hydroxy-N-(2- hydroxyethyl)benzamide (S-Aa). N H OH O OH Electronic Supplementary Material (ESI) for RSC Advances. This journal is © The Royal Society of Chemistry 2017

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Page 1: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

1

Supplementary Information

Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

Rafaely N. Limaa, Valdenizia R. Silvab, Luciano de S. Santosb, Daniel P. Bezerrab, Milena

B. P. Soaresb, André L. M. Portoa*

aLaboratório de Química Orgânica e Biocatálise, Instituto de Química de São Carlos, Universidade de São Paulo, Av. João Dagnone, 1100, Ed. Química Ambiental, Santa Angelina, 13563-120, São Carlos-SP, Brazil. Tel.: +55 16 33738103; Fax: + 55 16 33739952; e-mail: [email protected]*.bFundação Oswaldo Cruz, Centro de Pesquisas Gonçalo Moniz, R. Waldemar Falcão, 121, 40296-710, Candeal, Salvador-BA, Brazil.

Summary

1. Chromatograms, GC-MS, FTIR and NMR data for the amides S-Aa to S-Aj ..........1

2. Analytical curve of ethyl salicylate ES ....................................................................22

3. References ................................................................................................................22

1. Chromatograms, GC-MS, FTIR and NMR data for the amides S-Aa to S-Aj

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0(x1,000,000)

TIC

Figure S1. Chromatogram obtained by GC-MS (EI, 70 eV) of 2-hydroxy-N-(2-hydroxyethyl)benzamide (S-Aa).

NH

OH

OOH

Electronic Supplementary Material (ESI) for RSC Advances.This journal is © The Royal Society of Chemistry 2017

Page 2: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

2

50.0 75.0 100.0 125.0 150.0 175.00

25

50

75

100

%

121

18165 93 163138 150

14844 53 77 107 180132 165116

Figure S2. Mass spectrum (EI, 70 eV) of 2-hydroxy-N-(2-hydroxyethyl)benzamide (S-Aa).

3800 3600 3400 3200 3000 2800 2600 2400 2200 2000 1800 1600 1400 1200 1000 800 600 400Wavenumber (cm-1)

56

64

72

80

88

96

%Tr

ansm

ittan

ce 33873298

29342874

16341589

15491493

1358 1227

1053 752

Figure S3. FTIR spectrum (silicon plate) of 2-hydroxy-N-(2-hydroxyethyl)benzamide (S-Aa).

NH

OH

OOH

NH

OH

OOH

Page 3: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

3

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

1.811.720.85

TMS

7.79

7.77

7.36

7.36

6.90

6.88

6.88

6.86

3.73

3.71

3.70

3.53

3.52

3.51

0.00

3.7 3.6 3.5Chemical Shift (ppm)

1.81 1.773.

733.

713.

70

3.53

3.52

3.51

6.900 6.875Chemical Shift (ppm)

1.72

6.90

6.90

6.89

6.89

6.88

6.88

6.88

6.88 7.375 7.350

Chemical Shift (ppm)

0.92

7.38

7.37

7.36

7.36

7.36

7.36

7.79 7.77Chemical Shift (p...

0.85

7.79

7.79

7.77

7.77

Figure S4. 1H NMR spectrum (400 MHz, CD3OD) of 2-hydroxy-N-(2-hydroxyethyl)benzamide (S-Aa).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

171.

0

161.

0

134.

712

9.1

120.

111

8.3

117.

1

61.5

49.0

43.0

Figure S5. 13C NMR spectrum (126 MHz, CD3OD) of 2-hydroxy-N-(2-hydroxyethyl)benzamide (S-Aa).

NH

OH

OOH

NH

OH

OOH

Page 4: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

4

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

0.25

0.50

0.75

1.00

1.25

(x1,000,000)MIC1

Figure S6. Chromatogram obtained by GC-MS (EI, 70 eV) of 2-hydroxy-N-(3-hydroxypropyl)benzamide (S-Ab).

50.0 75.0 100.0 125.0 150.0 175.0 200.00

25

50

75

100

%

121

12065 92 19515057 17744 18816474 133 14794 105 174

Figure S7. Mass spectrum (EI, 70 eV) of 2-hydroxy-N-(3-hydroxypropyl)benzamide (S-Ab).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

40

60

80

100

%Tr

ansm

ittan

ce

3362

3084 29342882

16381597

15491493

1452 13661344130812521234

1065

756696 665

625611

Figure S8. FTIR spectrum (silicon plate) of 2-hydroxy-N-(3-hydroxypropyl)benzamide (S-Ab).

NH

OH

O

OH

NH

OH

O

OH

NH

OH

O

OH

Page 5: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

5

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

2.012.001.900.98

TMS

7.74

7.72

7.72

7.38

7.36

7.36

7.34

6.90

6.88

6.86

3.67

3.65

3.64

3.50

3.49

3.48

3.32

3.31

1.86

1.85

1.83

1.81

0.00

3.65 3.60 3.55 3.503.45Chemical Shift (ppm)

2.001.99

3.67

3.65

3.64

3.50

3.49

3.48

1.8501.825Chemical Sh...

2.01

1.86

1.85

1.83

1.82

6.875 6.850Chemical Shift (p...

1.90

6.90

6.89

6.89

6.88

6.87

6.86

7.375 7.350Chemical Shift ...

0.97

7.37

7.36

7.36

7.36

7.35

7.74 7.72Chemical S...

0.98

7.74

7.74

7.72

7.72

Figure S9. 1H NMR spectrum (400 MHz, CD3OD) of 2-hydroxy-N-(3-hydroxypropyl)benzamide (S-Ab).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

171.

0

161.

1

134.

712

8.7

120.

011

8.4

117.

0

60.6

49.0

37.7

33.2

Figure S10. 13C NMR spectrum (400 MHz, CD3OD) of 2-hydroxy-N-(3-hydroxypropyl)benzamide (S-Ab).

NH

OH

O

OH

NH

OH

O

OH

Page 6: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

6

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

1.0

2.0

3.0

4.0

5.0

6.0

7.0

(x1,000,000)TIC

Figure S11. Chromatogram obtained by GC-MS (EI, 70 eV) of 2-hydroxy-N-(5-hydroxypentyl)benzamide (S-Ac).

50.0 75.0 100.0 125.0 150.0 175.0 200.0 225.00

25

50

75

100

%

121

120 150 22365 93164 178102 1388541 69 192 205 216 231

Figure S12. Mass spectrum (EI, 70 eV) of 2-hydroxy-N-(5-hydroxypentyl)benzamide (S-Ac).

4000 3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

20

40

60

80

100

%Tr

ansm

ittan

ce

3358

3080

29382864

16381597

15491493

1364130812521233

1049

756664

Figure S13. FTIR spectrum (silicon plate) of 2-hydroxy-N-(5-hydroxypentyl)benzamide (S-Ac).

NH

OH

O

HO

NH

OH

O

HO

NH

OH

O

HO

Page 7: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

7

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

4.071.981.911.00

TMS

7.75

7.73

7.36

7.36

7.34

6.89

6.88

6.86

3.58

3.57

3.55

3.41

3.39

3.38

3.31

1.65

1.63

1.59

1.57

1.46

1.45

0.00

1.6 1.5 1.4Chemical Shift (ppm)

4.07 2.04

1.66

1.65

1.63

1.62

1.60

1.59

1.57

1.46

1.45

3.573.54Chemic...

1.98

3.58

3.57

3.55

3.40 3.37Chemic...

1.97

3.41

3.39

3.38

6.89 6.88 6.87 6.86Chemical Shift (ppm)

1.91

6.89

6.89

6.88

6.88

6.87

6.86

7.37 7.35 7.33Chemical Shift (ppm)

1.02

7.37

7.36

7.36

7.35

7.34

7.34

7.74 7.72Chemical Shif...

1.00

7.75

7.75

7.73

7.73

Figure S14. 1H NMR spectrum (400 MHz, CD3OD) of 2-hydroxy-N-(5-hydroxypentyl)benzamide (S-Ac).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

170.

9

161.

2

134.

612

8.7

120.

011

8.4

117.

0

62.8

49.0

40.5

33.3

30.3

24.4

Figure S15. 13C NMR spectrum (127 MHz, CD3OD) of 2-hydroxy-N-(5-hydroxypentyl)benzamide (S-Ac).

NH

OH

O

HO

NH

OH

O

HO

Page 8: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

8

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

1.0

2.0

3.0

4.0

(x1,000,000)TIC

Figure S16. Chromatogram obtained by GC-MS (EI, 70 eV) of 2-hydroxy-N-(2-hydroxypropyl)benzamide (S-Ad).

50.0 75.0 100.0 125.0 150.0 175.0 200.00

25

50

75

100

%

121

15065 19593

138 1775745 19677 164132107

Figure S17. Mass spectrum (EI, 70 eV) of 2-hydroxy-N-(2-hydroxypropyl)benzamide (S-Ad).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

40

50

60

70

80

90

100

%Tr

ansm

ittan

ce

3364

3084 29742930

2880

16391597

154914931368

13421306

12501236

1146945926 841

754696 664

569532

Figure S18. FTIR spectrum (Silicon plate) of 2-hydroxy-N-(2-hydroxypropyl)benzamide (S-Ad).

NH

OH

O

OH

NH

OH

O

OH

NH

OH

O

OH

Page 9: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

9

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

3.001.96 1.050.99

TMS

7.81

7.79

7.38

7.36

7.35

6.90

6.89

6.87

3.96

3.48

3.47

3.45

3.44

3.34

3.32

3.31

3.29

1.20

0.00

7.81 7.79Chemical Sh...

0.99

7.79

7.80

7.81

7.37 7.35Chemical Shift...

1.007.

357.

367.

367.

367.

38

6.900 6.875Chemical Shift ...

1.96

6.87

6.88

6.89

6.90

6.90

3.975 3.925Chemical S...

1.01

3.95

3.96

3.97

3.97 3.475 3.425

Chemical Shift ...

1.05

3.44

3.45

3.47

3.48

3.350 3.325 3.300Chemical Shift (ppm)

1.27

3.31

3.31

3.31

3.32

3.32

3.34

1.21 1.18Chemica...

3.001.

201.

21

Figure S19. 1H NMR spectrum (400 MHz, CD3OD) of 2-hydroxy-N-(2-hydroxypropyl)benzamide (S-Ad).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

170.

8

160.

8

134.

712

9.3

120.

111

8.3

117.

3

67.4

49.0

47.8

21.0

Figure S20. 13C NMR spectrum (127 MHz, CD3OD) of 2-hydroxy-N-(2-hydroxypropyl)benzamide (S-Ad).

NH

OH

O

OH

NH

OH

O

OH

Page 10: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

10

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

1.0

2.0

3.0

4.0

5.0

6.0

7.0(x1,000,000)

TIC

Figure S21. Chromatogram obtained by GC-MS (EI, 70 eV) of N-butyl-2-hydroxybenzamide (S-Ae).

50.0 75.0 100.0 125.0 150.0 175.0 200.0 225.00

25

50

75

100

%

121

193

15065 93164 17511972 13344 53 80 107 147 213

Figure S22. Mass spectrum (EI, 70 eV) of N-butyl-2-hydroxybenzamide (S-Ae).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

0

20

40

60

80

100

%Tr

ansm

ittan

ce

3375

30672961

29342870

16411595

15451493

1452 136413061233

11501038

947 860 820754

664

534

Figure S23. FTIR spectrum (Silicon plate) of N-butyl-2-hydroxybenzamide (S-Ae).

NH

OH

O

NH

OH

O

NH

OH

O

Page 11: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

11

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

3.072.142.092.001.01

TMS

7.75

7.73

7.37

7.35

7.34

6.89

6.88

6.85

3.40

3.38

3.31

1.62

1.60

1.59

1.43

1.42

1.40

0.98

0.97

0.95

0.00

7.73Chemical ...

1.01

7.73

7.73

7.75

7.75

7.350Chemical Shift (p...

1.027.

347.

347.

357.

357.

367.

37

6.875Chemical Shift (...

2.00

6.85

6.87

6.88

6.88

6.89

3.375Chemical...

2.09

3.37

3.38

3.40

1.6251.6001.575Chemical Shift (p...

2.14

1.57

1.59

1.60

1.60

1.62

1.63

1.450 1.400Chemical Shift ...

2.16

1.39

1.40

1.42

1.43

1.45

Chemi...

3.070.

970.

98

Figure S24. 1H NMR spectrum (400 MHz, CD3OD) of N-butyl-2-hydroxybenzamide (S-Ae).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

170.

9

161.

2

134.

612

8.7

120.

011

8.4

117.

0

49.0

40.2

32.6

21.2

14.1

Figure S25. 13C NMR spectrum (127 MHz, CD3OD) of N-butyl-2-hydroxybenzamide (S-Ae).

NH

OH

O

NH

OH

O

Page 12: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

12

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

1.0

2.0

3.0

4.0

5.0

6.0

7.0(x1,000,000)

TIC

Figure S26. Chromatogram obtained by GC-MS (EI, 70 eV) of 2-hydroxy-N-pentylbenzamide (S-Af).

50.0 75.0 100.0 125.0 150.0 175.0 200.0 225.00

25

50

75

100

%

121

20715065 93 178164 18941 13358 86 17977 147107 209118 221

Figure S27. Mass spectrum (EI, 70 eV) of 2-hydroxy-N-pentylbenzamide (S-Af).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

40

60

80

100

%Tr

ansm

ittan

ce

3375

306529592932

2864

1641 15951545

14931452 1364

130612521231

11501038

754664

Figure S28. FTIR spectrum (Silicon plate) of 2-hydroxy-N-pentylbenzamide (S-Af).

NH

OH

O

NH

OH

O

NH

OH

O

Page 13: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

13

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

4.142.132.021.05

TMS

7.75

7.73

7.37

7.36

7.34

6.89

6.88

6.85

3.38

3.37

3.36

3.32

3.31

1.63

1.62

1.59

1.39

1.38

1.37

1.36

0.94

0.93

0.00

Chemical...

3.00

0.94

0.93

1.4001.3751.350Chemical Shift (p...

4.14

1.39

1.38

1.38

1.37

1.36

1.36

1.625 1.575Chemical Shift (p...

2.13

1.65

1.63

1.63

1.62

1.61

1.59

3.3753.350Chemical S...

2.13

3.38

3.37

3.36

6.875 6.850Chemical Shift (ppm)

2.02

6.89

6.88

6.88

6.88

6.87

6.85

6.85 7.375 7.350

Chemical Shift (ppm)

1.03

7.37

7.37

7.36

7.36

7.35

7.34

7.75 7.73Chemical Shift...

1.05

7.75

7.75

7.73

7.73

Figure S29. 1H NMR spectrum (400 MHz, CD3OD) of 2-hydroxy-N-pentylbenzamide (S-Af).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

170.

9

161.

2

134.

612

8.7

120.

011

8.4

117.

0

49.0

40.5

30.1

23.4

14.4

Figure S30. 13C NMR spectrum (127 MHz, CD3OD) of 2-hydroxy-N-pentylbenzamide (S-Af).

NH

OH

O

NH

OH

O

Page 14: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

14

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

1.0

2.0

3.0

4.0

5.0

6.0

7.0(x1,000,000)

TIC

Figure S31. Chromatogram obtained by GC-MS (EI, 70 eV) of N-heptyl-2-hydroxybenzamide (S-Ag).

50 100 150 200 2500

25

50

75

100

%

121

235151

16465 93 178 19241 20613355 86 217100 249

Figure S32. Mass spectrum (EI, 70 eV) of N-heptyl-2-hydroxybenzamide (S-Ag).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

60

70

80

90

100

%Tr

ansm

ittan

ce

3329

31053013

2957 29282859

2816

16391601

15121460

13811248

11611101 826

Figure S33. FTIR spectrum (Silicon plate) of N-heptyl-2-hydroxybenzamide (S-Ag).

NH

O

OH

NH

O

OH

NH

O

OH

Page 15: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

15

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

8.001.991.900.97

TMS

7.75

7.73

7.37

7.35

7.34

6.89

6.88

6.85

3.38

3.37

3.36

1.63

1.61

1.60

1.37

1.36

1.33

1.31

1.30

0.90

0.89

0.00

0.925 0.875Chemical ...

2.81

0.91

0.90

0.89

1.40 1.30Chemical Shift (pp...

8.001.

371.

371.

361.

321.

311.

31

1.625Chemic...

2.01

1.63

1.61

1.58

3.375 3.350Chemical Sh...

1.99

3.38

3.37

3.36

6.875 6.850Chemical Shift (ppm)

1.90

6.89

6.88

6.88

6.88

6.87

6.85

7.350Chemical Shift (ppm)

0.97

7.37

7.37

7.36

7.35

7.35

7.34

7.34

7.750 7.725Chemical Shift (...

0.97

7.75

7.75

7.73

7.73

Figure S34. 1H NMR spectrum (400 MHz, CD3OD) of N-heptyl-2-hydroxybenzamide (S-Ag).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

170.

8

161.

2

134.

612

8.7

120.

011

8.4

117.

1

49.0

40.5

32.9

30.4

30.1

28.1

23.7

14.4

Figure S35. 13C NMR spectrum (127 MHz, CD3OD) of N-heptyl-2-hydroxybenzamide (S-Ag).

NH

O

OH

NH

O

OH

Page 16: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

16

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5(x1,000,000)

TIC

Figure S36. Chromatogram obtained by GC-MS (EI, 70 eV) of N-dodecyl-2-hydroxybenzamide (S-Ah).

50 100 150 200 250 3000

25

50

75

100

%

121

151305150

120 178 1929365 20641 262248220 234 28755 27686 319

Figure S37. Mass spectrum (70 eV) of N-dodecyl-2-hydroxybenzamide (S-Ah).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

60

80

100

%Tr

ansm

ittan

ce

3302

29552920

2853

17261636

15491516

14621371 1256

1101 826719

523

Figure S38. FTIR spectrum (Silicon plate) of N-dodecyl-2-hydroxybenzamide (S-Ah).

NH

O

OH

NH

O

OH

NH

O

OH

Page 17: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

17

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

18.041.951.930.96

TMS

7.4

7.4

7.4

7.3

7.3

7.0

7.0

6.9

6.8

3.5

3.4

3.4

1.6

1.6

1.6

1.3

1.3

1.3

1.2

0.9

0.9

0.9

0.0

0.875Chemical Sh...

2.780.

890.

880.

87

1.35 1.25Chemical Shift ...

18.04

1.31

1.30

1.28

1.26

1.23

1.650 1.600Chemical Sh...

2.08

1.63

1.62

1.61

3.450 3.400Chemical Shift (ppm)

1.95

3.46

3.45

3.44

3.43

3.43

3.42

6.85 6.84 6.83 6.82Chemical Shift (ppm)

0.96

6.85

6.85

6.84

6.84

6.83

6.82

6.99 6.97Chemical Shift...

0.87

6.99

6.99

6.97

6.97

7.400 7.375 7.3507.325Chemical Shift (ppm)

1.93

7.40

7.38

7.38

7.36

7.36

7.34

7.34

Figure S39. 1H NMR spectrum (400 MHz, CDCl3) of N-dodecyl-2-hydroxybenzamide (S-Ah).

220 200 180 160 140 120 100 80 60 40 20 0 -20Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Chloroform-d

169.

916

1.5

134.

012

5.2

118.

611

4.4

77.0

39.7

31.9

29.5

29.3

26.9

22.7

14.1

Figure S40. 13C NMR spectrum (127 MHz, CDCl3) of N-dodecyl-2-hydroxybenzamide (S-Ah).

NH

O

OH

NH

O

OH

Page 18: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

18

5.0 10.0 15.0 20.0 25.0 30.0

0.5

1.0

1.5

(x1,000,000)MIC1

Figure S41. Chromatogram obtained by GC-MS (EI, 70 eV) of N-allyl-2-hydroxybenzamide (S-Ai).

50.0 75.0 100.0 125.0 150.0 175.00

25

50

75

100

%

121

57177

65 9341 148 16253 9177 105 131117 191185

Figure S42. Mass spectrum (EI, 70 eV) of N-allyl-2-hydroxybenzamide (S-Ai).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

40

60

80

100

%Tr

ansm

ittan

ce

3364

3078

29262855

16391597

15431493

137113081256

12331152

754

Figure S43. FTIR spectrum (Silicon plate) of N-allyl-2-hydroxybenzamide (S-Ai).

NH

OH

O

NH

OH

O

NH

OH

O

Page 19: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

19

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

1.751.660.83 0.810.78

TMS

7.78

7.76

7.38

7.37

7.35

6.91

6.89

6.88

6.87

5.93

5.25

5.22

5.15

5.13

4.03

4.01

4.00

0.00

7.78 7.76Chemical ...

0.83

7.76

7.77

7.78

7.78

7.375 7.350Chemical Shift...

1.00

7.35

7.36

7.37

7.37

7.38

6.900Chemical Shift...

1.66

6.88

6.89

6.90

6.91 5.950

Chemical Shift (...

0.78

5.91

5.93

5.95

5.96

5.97

5.250 5.225Chemical Shift (ppm)

0.81

5.22

5.22

5.23

5.25

5.25

5.26

5.26

5.150 5.125Chemical Shift...

0.77

5.13

5.13

5.15

5.15

5.16

4.02 4.00Chemical Shift ...

1.75

4.00

4.00

4.01

4.01

4.01

Figure S44. 1H NMR spectrum (400 MHz, CD3OD) of N-allyl-2-hydroxybenzamide (S-Ai).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

170.

7

161.

1

135.

413

4.7

128.

912

0.1

118.

411

7.0

116.

2

49.0

42.7

Figure S45. 13C NMR spectrum (127 MHz, CD3OD) of N-allyl-2-hydroxybenzamide (S-Ai).

NH

OH

O

NH

OH

O

Page 20: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

20

5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5

2.5

5.0

7.5(x1,000,000)

TIC

Figure S46. Chromatogram obtained by GC-MS (EI, 70 eV) of N-benzyl-2-hydroxybenzamide (S-Aj).

50 100 150 200 2500

25

50

75

100

%

91

227

12110665120 2107951 22918141 152 165 196133 251

Figure S47. Mass spectrum (EI, 70 eV) of N-benzyl-2-hydroxybenzamide (S-Aj).

3500 3000 2500 2000 1500 1000 500Wavenumber (cm-1)

64

72

80

88

96

%Tr

ansm

ittan

ce

3356

30262938

16391589

149513681348 1248

1076

748 698658604

Figure S48. FTIR spectrum (Silicon plate) of N-benzyl-2-hydroxybenzamide (S-Aj).

NH

OH

O

NH

OH

O

NH

OH

O

Page 21: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

21

14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -1 -2Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

4.58 2.00

TMS

7.79

7.78

7.37

7.35

7.34

7.31

7.30

6.91

6.89

6.88

4.58

0.00

7.375 7.350 7.325 7.300Chemical Shift (ppm)

4.58

7.38

7.37

7.37

7.36

7.35

7.35

7.34

7.33

7.31

7.30

7.80 7.79 7.78 7.77Chemical Shift (ppm)

0.95

7.80

7.79

7.78

7.78

7.25 7.23Chemical Shift (...

0.90

7.25

7.25

7.25

7.24

7.22

6.900 6.875Chemical Shift (ppm)

1.906.

91

6.89

6.89

6.88

6.86

Figure S49. 1H NMR spectrum (400 MHz, CD3OD) of N-benzyl-2-hydroxybenzamide (S-Aj).

220 200 180 160 140 120 100 80 60 40 20 0Chemical Shift (ppm)

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Inte

nsity

Methanol-d4

170.

9

161.

2

140.

013

4.8

129.

512

8.9

128.

512

8.2

120.

111

8.4

117.

0

49.0

44.0

Figure S50. 13C NMR spectrum (127 MHz, CD3OD) of N-benzyl-2-hydroxybenzamide (S-Aj).

NH

OH

O

NH

OH

O

Page 22: radiation and solvent-free system Fast synthesis of …1 Supplementary Information Fast synthesis of amides from ethyl salicylate under microwave radiation and solvent-free system

22

2. Analytical curve of ethyl salicylate ES used to calculate the conversion of amide

Figura S51. Analytical curve of ethyl salicylate used to calculate the conversion of amide.