Chemische Berichte

Kumulierte Ylide, 22. Umsetzungen von (Triphenylphosphoranyliden) ethenon mit Halogenverbindungen und ihre präparative Anwendung

HJ Bestmann, C Geismann…

Index: Bestmann, Hans Juergen; Schobert, Rainer Synthesis, 1989 , # 6 p. 419 - 423

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Citation Number: 9

Abstract

(Triphenylphosphorany1idene) ethenone (6) reacts with halo-to mono-ylides 16, and the Wittig reaction with aldehydes gen compounds 7 to yield four-membered ylide phospho- yields unsaturated acylphosphoranes 17, which on thermolynium salts 9. Ring opening of 9

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