Camphor-based oxazaphospholanes as chiral templates for the enantioselective synthesis of α-chlorophosphonic acids
摘要:
Constrained camphor-derived oxazaphospholanes have provided an efficient entry for the preparation of enantiomerically enriched alpha-chlorophosphonic acids. (C) 1999 Elsevier Science Ltd. All rights reserved.
The asymmetric synthesis of α-chloro α-alkyl and α-methyl α-alkyl phosphonic acids of high enantiomeric purity.
作者:Stephen Hanessian、Youssef L. Bennani、Daniel Delorme
DOI:10.1016/s0040-4039(00)97091-6
日期:1990.1
A method is described for the synthesis of α-chloro-α-alkyl- and α-methyl-α-alkylphosphonic acids in either enantiomeric form and in high optical purity, based on the asymmetric alkylation of α-substituted bicyclic phosphonamides derived from a C2 symmetrical diamine.
Constrained camphor-derived oxazaphospholanes have provided an efficient entry for the preparation of enantiomerically enriched alpha-chlorophosphonic acids. (C) 1999 Elsevier Science Ltd. All rights reserved.