Betylates. 3. Preparative nucleophilic substitution by way of [2]-, [3]-, and [4]betylates. Stoichiometric phase transfer and substrate-reagent ion-pair (SRIP) reactions of betylates
Stereochemistry of two-phase and substrate-reagent ion-pair reactions of betylates: complete inversion in the synthesis of halogen, sulfur, and nitrogen derivatives from R-(-)-2-octanol
作者:J.F. King、M. Aslam、J.D. Lock
DOI:10.1016/s0040-4039(01)95478-4
日期:1979.1
Conversion of a chiral secondary alcohol into a chiral halogen, sulfur or nitrogen derivative may be conveniently carried out by way of a “betylate” ester. The overall reaction gives reasonable (40–40%) yields with high stereoselectivity (100% inversion in seven or eight examples).