Reinigung von rohem 2-Mercaptobenzothiazol

A process for purifying crude 2-mercaptobenzothiazole, obtained by the reaction of aniline, sulfur and carbon disulfide, which comprises vaporizing the crude 2-mercaptobenzothiazole to remove non-volatile impurities, and if desired, dissolving the condensate in an aqueous alkali solution to remove t...

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Bibliographic Details
Main Authors KIMURA,OSAMU, KUNIHIRO,HARUO, INOUE,MASATOSHI, SAGAWA,SEIJI
Format Patent
LanguageGerman
Published 31.12.1972
Edition1
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:A process for purifying crude 2-mercaptobenzothiazole, obtained by the reaction of aniline, sulfur and carbon disulfide, which comprises vaporizing the crude 2-mercaptobenzothiazole to remove non-volatile impurities, and if desired, dissolving the condensate in an aqueous alkali solution to remove the insolubles, and/or subjecting the resulting alkali solution to extraction with an aromatic hydrocarbon, thereby to obtain pure 2-mercaptobenzothiazole. 2-Mercaptobenzothiazole is useful as an intermediate for the production of rubber vulcanization accelerators.
Bibliography:Application Number: CH19700006926