Preparation of trichlorothiazole and intermediate

Details Preparation of trichlorothiazole and intermediate Preparation of trichlorothiazole and intermediate

1975-12-09

1977-04-19

Gallagher, Richard J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260566D, C07D27732

Patent

active

040187845

ABSTRACT:
Trichlorothiazole of the formula ##STR1## IS PREPARED BY REACTING 1,2,2,2-TETRACHLOROETHYL-ISOCYANIDEDICHLORIDE OF THE FORMULA ##STR2## WITH 1 TO 1.2 TIMES THE STOICHIOMETRIC AMOUNT OF SULFUR AT A TEMPERATURE OF ABOUT 150.degree. TO 250.degree. C, preferably about 170.degree. to 230.degree. C.

REFERENCES:
patent: 3190918 (1965-06-01), Holtschmidt
patent: 3674829 (1972-07-01), Arlt

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