Process for the preparation of methyltrifluoroacetate

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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203 61, 203 66, 203 82, 203DIG6, C07C 6963, B01D 334

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active

047300825

ABSTRACT:
A process for the preparation of methyltrifluoroacetate. Trifluoroacetic acid is contacted with an excess of methanol and distilled to form a methyltrifluoroacetate/methanol azeotrope. The azeotrope is contacted with trifluoroacetic acid in the presence of a catalytic quantity of a strong acid followed by distillation to obtain methyltrifluoroacetate. The methyltrifluoroacetate can be used as a synthesis intermediate in the pharmaceutical industry.

REFERENCES:
patent: 2649407 (1953-08-01), Harrison et al.
patent: 4250328 (1981-02-01), Fujita et al.
patent: 4435595 (1984-03-01), Agreda et al.
Hagen, Miller, et al., 47, J. of Organic Chemistry, 1345-47, (1982).
Moffat & Hunt, 79, J. of the American Chemical Society, 54, (1957).
Moffat & Hunt, 81, J. of the American Chemical Society, 2082-86, (1959).

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