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Synthesis 1997; 1997(9): 1013-1014
DOI: 10.1055/s-1997-1301
short paper
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Two Convenient Routes for the Preparation of Bis[bis(trimethylsilyl)methylene](halogeno)-phosphoranes

Alexander Ruban
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Publication Date:
31 December 2000 (online)

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P-Halogenobis(methylene)phosphoranes 2 are prepared in quantitative yield by the reaction of P-tris(trimethylsilyl)methyl-bis(trimethylsilyl)methylenephosphine (1) with elementary iodine (Method A) and catalytic isomerization of P-chlorobis(trimethylsilyl)-methyl-bis(trimethylsilyl)methylenephosphine (3) (Method B).

bis(methylene)phosphoranes