METHOD OF PRODUCING TRICYCLOHEXYLPHOSPHINE Russian patent published in 2009 - IPC C07F9/50 

Abstract RU 2375372 C1

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing tricyclohexylphosphine, used in synthesis of metal complex catalysts for the following reactions: metathesis, carbonylation, cross linking, polymerisation etc. The proposed method involves reacting red phosphorus with cyclohexyliodide and iodine, taken in molar ratio of 1:3:0.1 at temperature from 215 to 220°C in an inert atmosphere. The formed dimeric iodine complex of tricyclohexylphosphine is treated with pyridine or toluene with addition of 2 equivalents of pyridine in terms of red phosphorus and zinc powder.

EFFECT: design of a novel efficient and safe method of producing tricyclohexylphosphine.

1 cl, 3 ex

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RU 2 375 372 C1

Authors

Bespalova Natal'Ja Borisovna

Afanas'Ev Vladimir Vladimirovich

Dates

2009-12-10Published

2008-09-08Filed