Benzothiazoles. VI

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Bibliographic Information

Other Title
  • Nitration of Chloro Derivatives of 2-Methylbenzothiazole

Description

(1) Nitration of 2-methyl-4-chlorobenzothiazole gave 2-methyl-4-chloro-7-nitrobenzothiazole, m. p. 163-164°, in 70% yield.<br>(2) Nitration of 2-methyl-4, 7-dichlorobenzothiazole gave 2-methyl-4, 7-dichloro-6-nitrobenzothiazole, m. p. 167-168°, in 84% yield, along with a small quantity of other mononitro derivative, m. p. 119-120°.<br>(3) Nitration of 2-methyl-4, 6-dichlorobenzothiazole gave 2-methyl-4, 6-dichloro-7-nitrobenzothiazole, m. p. 188-189°, in 20% yield.

Journal

  • YAKUGAKU ZASSHI

    YAKUGAKU ZASSHI 72 (6), 743-745, 1952

    The Pharmaceutical Society of Japan

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