F. Palacios et al., AN IMPROVED AND GENERAL-METHOD FOR THE SYNTHESIS OF ALPHA,BETA-UNSATURATED OXIMES FROM PHOSPHINE OXIDE ALLENES, Tetrahedron letters, 37(8), 1996, pp. 1289-1292
A simple and very efficient route to alpha beta-unsaturated oximes 1 h
as been developed. These compounds are obtained through olefination re
action of beta-oximo phosphine oxide derivatives 2, easily obtained by
addition of hydroxylamine compounds to aIlenes 3.