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Synthesis 1991; 1991(2): 125-126
DOI: 10.1055/s-1991-26395
DOI: 10.1055/s-1991-26395
paper
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.
New Method for Synthesis of Methylenebis(diarylphosphine) Monoxides
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Publikationsverlauf
Publikationsdatum:
27. September 2002 (online)
![](https://www.thieme-connect.de/media/synthesis/199102/lookinside/thumbnails/10.1055-s-1991-26395-1.jpg)
Synthesis of methylenebis(diphenyl- and methylenebis(di-p-tolylphosphine) monoxides, via the reaction of diarylphosphines with formic acid in presence of concentrated hydrochloric acid is described. Methylenebis(diphenylphosphine) monoxide is oxidized with hydrogen peroxide and sulfur into the corresponding methylenebis(diphenylphosphine) dioxide and methylenebis(diphenylphosphine) monoxide monosulfide. Attempts to carry out this reaction with butylphenyl- and dibutylphosphines failed.