Copper(I)-Catalyzed Cascade Sulfonimidate to Sulfonamide Rearrangement: Synthesis of Imidazo[1,2-<i>a</i>][1,4]diazepin-7(6<i>H</i>)-one
作者:Muthupandi Nagaraj、Muthusamy Boominathan、Devanathan Perumal、Shanmugam Muthusubramanian、Nattamai Bhuvanesh
DOI:10.1021/jo300855f
日期:2012.7.20
A novel strategy of copper(I)-catalyzed cascade intramolecular nucleophilic attack on N-sulfonylketenimine followed by rearrangement of sulfonimidates to sulfonamides resulting in a library of substituted 8,9-dihydro-5H-imidazo[1,2-a][1,4]diazepin-7(6H)-ones has been developed.
铜(I)催化N-磺酰基酮亚胺级联分子内亲核攻击,然后将亚磺酰胺重排为磺酰胺的新策略,从而形成取代的8,9-二氢-5 H-咪唑并[1,2- a ] [1 ,4] diazepin-7(6 H)-ones已经开发出来。