Zum Ablauf der Wittig-Reaktion: zyklische oder ringoffene Zwischenstufen?

By means of low temperature phosphorus nmr-spectroscopy Wittig reaction intermediates have been studied. The cyclic (oxaphosphetane) structure of ylid / aldehyde adducts has been confirmed, though it cannot be ruled out that they are generated via a transient zwitterionic (betaïne) intermediate. An...

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Bibliographic Details
Main Authors: Manfred Schlosser, Alois Piskala, Claudio Tarchini, Huynh BaTuong
Format: Article
Language:deu
Published: Swiss Chemical Society 1975-08-01
Series:CHIMIA
Online Access:https://www.chimia.ch/chimia/article/view/9231
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