Purification of carboxylic acid anhydrides contaminated with hal

Details Purification of carboxylic acid anhydrides contaminated with hal Purification of carboxylic acid anhydrides contaminated with hal

1985-07-24

1987-03-17

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260549, C07C 5142

Patent

active

046506152

ABSTRACT:
Carboxylic acid anhydrides are freed from small amounts of halogen and halide moieties by treatment with a phenyl or an alkyl phosphine.

REFERENCES:
patent: 4246195 (1981-01-01), Szecsi

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