
Tetrahedron Letters p. 4765 - 4768 (1997)
Update date:2022-09-26
Topics:
Bestmann, Hans Juergen
Gross, Andreas
Acylphosphoniumylids 1 react with vinylketones 2 under formation of 1-acyl-4-oxoylids 3. In the reaction of carboalkoxyetriphenylphosphoranes 4 with 2 two reaction pathways occur. In polar solvents again a Michael-addition gives the phosphoranes 6, wherea
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