METHOD OF COMBINED SYNTHESIS OF THIOESTERS AND AMIDES OF CARBOXYLIC ACIDS Russian patent published in 1995 - IPC

Abstract RU 2030403 C1

FIELD: organic chemistry. SUBSTANCE: products: thioesters and amides of carboxylic acids of the formula (I) and (II) where X - sulfur, oxygen, imine, methyl(ethyl or propyl)imine, R - residue of carboxylic aid. Synthesis is carried out by reaction of hetarylmercaptan of the formula (III) with phosgene in aqueous-organic medium in the presence of alkali at (-5)-(+10) C, at molar ratio hetarylmercaptan and phosgene = 2:(1-1.2). Synthesized product is subjected for interaction with carboxylic acid at its molar ratio to hetarylmercaptan 1:2. EFFECT: improved method of synthesis. 1 tbl

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RU 2 030 403 C1

Authors

Grabarnik M.S.

Goncharuk A.P.

Znamenskij Ju.V.

Orlov S.I.

Shiljaeva S.V.

Dates

1995-03-10—Published

1992-02-19—Filed