FIELD: chemical or physical processes.
SUBSTANCE: invention relates to a method of producing 3,7-bis(dimethylamino)phenothiazine-5-yl iodide using phenothiazine as a starting material, involving the following steps: a) treatment of phenothiazine I2, b) treatment of 3,7-bis(dimethylamino)phenothiazine-5-yl iodide.
EFFECT: novel method of producing 7-bis(dimethylamino)phenothiazine-5-yl iodide, which provides a product of high purity, is very simple to implement and provides high output.
15 cl, 1 tbl, 11 ex
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