Affiliation:
1. Centre of Molecular and Macromolecular Studies PAS
Abstract
Application of the Z-selective Still–Gennari modification of Horner–Wadsworth–Emmons (HWE) reaction for the olefination of acylphosphonates is presented. A series of new Z-α,β-unsaturated phosphonates containing a carbonyl or ester moiety in the β-position were obtained in up to 94% yield and with up to 96% Z-selectivity. The standard HWE olefination of the acylphosphonates, which was performed for comparison, was either unsuccessful at all, or resulted in an inferior Z-selectivity and lower isolated yields.
Subject
Organic Chemistry,Catalysis
Cited by
7 articles.
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