Abstract: Abstract The course of the Wittig reaction was investigated by rapid injection NMR spectroscopy. Rate constants for the formation of oxaphosphetanes were determined. A new dynamic equilibrium of oxaphosphetanes was observed for the first time. The solvent and substituent dependence of the new effect was investigated. By labeling various oxaphosphetanes with 13 C and 17 O the lithium salt dependence of the new equilibrium was shown. A lithium adduct of oxaphosphetanes under these conditions is proposed.
Publication Year: 1993
Publication Date: 1993-11-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 18
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