Transcript
![Page 1: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/1.jpg)
CARBENES AND NITRENES
REACTION INTERMEDIATES
Dr.Phadnaik
![Page 2: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/2.jpg)
![Page 3: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/3.jpg)
![Page 4: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/4.jpg)
Triplet state is more stable than singlet state
Singlet
Triplett
![Page 5: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/5.jpg)
![Page 6: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/6.jpg)
![Page 7: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/7.jpg)
![Page 8: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/8.jpg)
![Page 9: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/9.jpg)
![Page 10: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/10.jpg)
![Page 11: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/11.jpg)
![Page 12: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/12.jpg)
![Page 13: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/13.jpg)
![Page 14: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/14.jpg)
RING EXPANSION REACTION
![Page 15: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/15.jpg)
![Page 16: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/16.jpg)
![Page 17: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/17.jpg)
a)
+ _h
or
R N + N2
b)h
or
c)
N NNR
R = alkyl,aryl, H
+ _
N NNSO2R NSO2R + N2
h
or
+ _
N NNC
O
RO NC
O
RO + N2
d) SO2ONHRO
O
C NO2
base
C
O
RO N NO2SO2O
C
O
RO N + NO2SO2O
_
(nosylate)
R = alkyl, aryl
R = alkyl, aryl
_
![Page 18: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/18.jpg)
![Page 19: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/19.jpg)
![Page 20: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/20.jpg)
![Page 21: Carbenes and Nitrenes Reaction Intermidiates · Singlet Singlet and Triplet States x-SN Singlet x—-Qc Triplet x--ŽN Triplet sp2 hybridized carbon non-bonding electrons have opposite](https://reader030.vdocuments.net/reader030/viewer/2022040501/5e2123ca4f26792d4164df0a/html5/thumbnails/21.jpg)
Thank You