Process for the preparation of triarylboranes

Details Process for the preparation of triarylboranes Process for the preparation of triarylboranes

1975-11-12

1977-08-30

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 504

Patent

active

040454959

ABSTRACT:
Preparation of triarylboranes, e.g. triphenylborane by reacting an alkali metal, e.g. sodium; an organohalide, e.g. chlorobenzene and an orthoborate ester, e.g. triisopropylorthoborate in an inert organic solvent, recovering the borane by contacting the reaction product with water while maintaining the ratio of borane to hydrolysis products (e.g. borinic acid) at at least 13/1, distilling volatiles from the aqueous mixture and contacting the resultant material with acid to a pH not less than about 6 to form the borane.

REFERENCES:
patent: 2884441 (1959-04-01), Groszas
patent: 3030406 (1962-04-01), Washburn et al.
patent: 3090801 (1963-05-01), Washburn et al.
patent: 3119857 (1964-01-01), Yates et al.

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