Do the Electronic Effects of Sulfur Indeed Control the π-Selectivity of γ-Sulfenyl Enones? An Investigation
摘要:
The electronic effects of sulfur in gamma-sulfenyl enones are not transmitted to the carbonyl carbon through the pi bond as reported previously. The diastereoselectivity is rather controlled by a combination of several other factors. The steric effects arising from the substituents on the sulfur atom and the gamma-carbon and the bulk of the nucleophile constitute the major control elements.
Exclusive thiophilic addition of organo-magnesium compounds to a thioketone
作者:Patrick Metzner、Jean Vialle、Alain Vibet
DOI:10.1016/0040-4039(76)80098-6
日期:1976.11
Do the Electronic Effects of Sulfur Indeed Control the π-Selectivity of γ-Sulfenyl Enones? An Investigation
作者:Veejendra K. Yadav、K. Ganesh Babu、Masood Parvez
DOI:10.1021/jo034608c
日期:2004.5.1
The electronic effects of sulfur in gamma-sulfenyl enones are not transmitted to the carbonyl carbon through the pi bond as reported previously. The diastereoselectivity is rather controlled by a combination of several other factors. The steric effects arising from the substituents on the sulfur atom and the gamma-carbon and the bulk of the nucleophile constitute the major control elements.
Addition thiophile exclusive d'organomagnesiens satures et insatures sur un α-thioxoester