Iodinane- and Metal-Free Synthesis of N-Cyano Sulfilimines: Novel and Easy Access of NH-Sulfoximines
摘要:
The synthesis of N-cyanosulfilimines can readily be achieved by reaction of the corresponding sulfides with cyanogen amine in the presence of a base and NBS or I-2 as halogenating agents. Oxidation followed by C-N bond cleavage affords synthetically useful NH-free sulfoximines.
Synthesis of <i>N</i>-(1<i>H</i>)-Tetrazole Sulfoximines
作者:Olga García Mancheño、Carsten Bolm
DOI:10.1021/ol071302+
日期:2007.7.1
N-(1H)-Tetrazole sulfoximines are readily available by addition of sodium azide to the corresponding N- cyano derivatives in the presence of ZnBr2. The use of these N-(1H)-tetrazoles as intermediates in the synthesis of other N-heterocyclic sulfoximines is demonstrated.