Acid Catalyzed Alcoholysis of Sulfinamides: Unusual Stereochemistry, Kinetics and a Question of Mechanism Involving Sulfurane Intermediates and Their Pseudorotation
formed in this reaction with a full or predominant inversion of configuration at chiral sulfur or with predominant retention of configuration. The steric course of the reaction depends mainly on the size of the dialkylamido group in the sulfinamides and of the alcohols used as nucleophilic reagents. It has been found that bulky reaction components preferentially form sulfinates with retention of configuration
The first stereoselective synthesis of optically active thiosulfinates
作者:Józef Drabowicz、Marian Mikoł
DOI:10.1016/s0040-4039(01)80925-4
日期:1985.1
Treatment of opticallyactive -toluenesulfinamides (1) with thiols (2) in the presence of trifluoroacetic acid was found to give opticallyactive -toluenethio-sulfinates (3) with predominant inversion of configuration. Stereospecificity of this reaction varies from 30 to 80%. Some mechanistic aspects of the reaction are also discussed.