8-substituted pyrazolopentathiepins and related compounds

Details 8-substituted pyrazolopentathiepins and related compounds 8-substituted pyrazolopentathiepins and related compounds

1986-02-21

1989-01-03

Gerstl, Robert

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 11, 548126, C07D49504

Patent

active

047958170

ABSTRACT:
Heteropentathiepins including pyrazolopentathiepins substituted in the 8-position; intermediate pyrazolo-1,2,3-thiadiazoles, pyrazolothiazathiolium chlorides, and 5-substituted aminopyrazoles; process for making the pentathiepins by reacting the corresponding 1,2,3-thiadiazoles with sulfur at elevated temperatures; process for making the thiazathiolium chlorides; and use of the pentathiepins as fungicides or as sulfur sensitizers in photographic emulsions.

REFERENCES:
patent: 4094985 (1978-06-01), Vladuchick
patent: 4275073 (1981-06-01), Moberg
Gotthardt et al., Chem. Ber. 112, 1206 (1979).
Bull. Soc. Chim. Belg., 86, 679 (1977).
J. Het. Chem., 13, 301 (1976) and 15, 473 (1978).
Khim. Geterotsikl. Soedin. 4, 477 (1979).
Bull. Chem. Soc. Jap., 44, 2856 (1971).
J. Het. Chem., 19, 1267 (1982).

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