| 摘要 |
4-OXO-2-(3-HYDROXY-4-METHOXYPHENYL)-2, 3-DIHYDRO-5, 6-BENZO-1, 3-THIAZINE AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF ARE PROVIDED. The thiazine is produced by a process which comprises reducing a dithiosalicyclic acid amide of the formula <IMAGE> to form the thiosalicyclic acid amide of the formula <IMAGE> and reacting the resulting compound with isovanillin.
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