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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| Main Authors: | , , , |
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| Format: | Article |
| Language: | deu |
| Published: |
Swiss Chemical Society
1975-08-01
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| Series: | CHIMIA |
| Online Access: | https://www.chimia.ch/chimia/article/view/9231 |
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