A facile synthesis of stable 1,4-diionic phosphorus compounds

Stable crystalline phosphorus betaines are obtained from the 1:1:1 addition reaction between triphenylphosphine and ethyl propiolate in presence of strong CH-acids, such as N, N-dimethylbarbituric acid, Meldrum's acid or indan-1,3-dione. Stable crystalline phosphorus betaines are obtained from...

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Bibliographic Details
Published in:Tetrahedron letters 1998-06, Vol.39 (25), p.4579-4580
Main Authors: Yavari, Issa, Maghsoodlou, Malek Taher
Format: Article
Language:English
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Summary:Stable crystalline phosphorus betaines are obtained from the 1:1:1 addition reaction between triphenylphosphine and ethyl propiolate in presence of strong CH-acids, such as N, N-dimethylbarbituric acid, Meldrum's acid or indan-1,3-dione. Stable crystalline phosphorus betaines are obtained from the 1:1:1 addition reaction between triphenylphosphine and ethyl propiolate in presence of N, N′-dimethylbarbituric acid.
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(98)00811-9