Manufacture of benzothiazoles

Details Manufacture of benzothiazoles Manufacture of benzothiazoles

1977-06-29

1978-09-12

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D27782

Patent

active

041137329

ABSTRACT:
Process for the production of benzothiazoles from N-arylsubstituted thioureas by oxidative ring closure characterized by the use of chlorine as oxidizing agent and by the presence of catalytic amounts of bromine. Yield and quality of the benzothiazoles obtained are very good.

REFERENCES:
patent: 1987614 (1935-01-01), Fox
patent: 2055609 (1936-09-01), Lubs et al.
patent: 4035379 (1977-07-01), Fuchs

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