Process for the preparation of 2-mercaptobenzoxazoles

Details Process for the preparation of 2-mercaptobenzoxazoles Process for the preparation of 2-mercaptobenzoxazoles

1986-03-27

1987-06-30

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548101, C07D26358

Patent

active

046772090

ABSTRACT:
2-Mercaptobenzoxazoles of the formula ##STR1## wherein R is hydrogen or halogen and M is hydrogen or a metal atom, are prepared by reacting an ortho-aminophenol or metal salts thereof, with an alkali metal trithiocarbonate in aqueous solution.

REFERENCES:
patent: 4442294 (1984-04-01), Handte et al.
Handte et al, CA 98-107280s.
Dunner, Chem. Ber. 9 (1876) 465-466.
Chemical Abstracts, vol. 49, Nr. 17, Sep. 10, 1955, Columbus, Ohio, Benzoxazole Derivatives, i. 2-Mercaptobenzoxazoles, by Leon Katz and Murray S. Cohen, p. 11623.
Chemical Abstracts, vol. 45, Nr. 1, Jan. 10, 1951; Columbus, Ohio; 2-Mercaptobenzimidazole, by J. A. VanAllan and B. D. Deacon; p. 158.
Chemical Abstracts, vol. 99, Nr. 23, Dec. 5, 1983, Columbus, Ohio; Synthesis of 3-Substituted Benzoxazoline-2-Thiones, by Yamato, Masatoshi; Takeuchi, Yasuo; Hashigaki, Kuniko et al.
Chemical Abstracts, vol. 78, Nr. 15, Apr. 16, 1973, Columbus, Ohio: Cleavage of 3-Benzoylbenzoxazolinones and their Monothioxoisologs with Hydroxide and Methoxide, by Wagner, G.; Leistner, S.
Chemical Abstracts, vol. 93, Nr. 25, Dec. 22, 1980, Columbus, Ohio; A Direct Synthesis of Heterocyclic Thiols, by William O. Foye; Norman Abood, Joel M. Kauffman, Patel Young-Ho et al.

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