BERTRAND, J.;GORRICHON, L.;MARONI, P., TETRAHEDRON, 1984, 40, N 20, 4127-4140
作者:BERTRAND, J.、GORRICHON, L.、MARONI, P.
DOI:——
日期:——
Addition regioselective d'enolates de cetones aux α-enones
作者:J. Bertrand、L. Gormchon、P. Mahoni
DOI:10.1016/0040-4020(84)85094-2
日期:1984.1
Regio and stereochemistry in the addition of preformed magnesium and lithium ketone enolates (1 to 8) to α-enones (10 and 11) have been examined. When the substitution degree of the enolate is increased the formation of δ-diketone is favoured; nevertheless a good efficiency in the synthesis of the γ-ethylenic β-ketols (1-2 addition) is obtained via bromomagnesium enolates (EMgX) under kinetic conditions