Fremgangsmåde til fremstilling af 2-substituerede 1,3,4-thiadiazol-5-thioler

1435346 Thiadiazolethiols ELI LILLY & CO 4 Sept 1973 [5 Sept 1972] 41466/73 Heading C2C 1,3,4-Thiadiazolethiols of formula where R is C 1-4 alkyl, C 3-6 cycloalkyl, benzyl or phenyl are prepared by (a) reacting molar equivalents of a thioamide RCSNH 2 and hydrazine in an inert solvent at 0-60‹ C...

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Bibliographic Details
Main Authors JAMES MICHEL GREENE, GEORGE WILLIAM HUFFMAN, BRYAN BARNET MOLLOY
Format Patent
LanguageDanish
Published 10.01.1977
Edition2
Subjects
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Summary:1435346 Thiadiazolethiols ELI LILLY & CO 4 Sept 1973 [5 Sept 1972] 41466/73 Heading C2C 1,3,4-Thiadiazolethiols of formula where R is C 1-4 alkyl, C 3-6 cycloalkyl, benzyl or phenyl are prepared by (a) reacting molar equivalents of a thioamide RCSNH 2 and hydrazine in an inert solvent at 0-60‹ C.; (b) adding at least one molar equivalent of base and at least one molar equivalent of carbon disulphide; and (c) acidifying with a mineral acid.
Bibliography:Application Number: DK19730004854