Consecutive Reaction of Bis [2, 2, 2-trifluoroethyl] phosphite. One-pot Synthesis of Substituted 3-Cyano-β, γ-unsaturated Nitriles with Exclusive or Predominant E-Selectivity†
Dedicated to Professor ZHOU Wei-Shan on the occasion of his 80th birthday.
Abstract
The consecutive reaction of bis [2, 2, 2-trifluoroethyl] phosphite and its application to the one-pot synthesis of 3-cyano-β, γ-unsaturated nitriles with exclusive or predominant E-selectivity (E:Z = 100–85:0—IS) and excellent yields (94%—99%) are described.