FIELD: pharmaceuticals.
SUBSTANCE: invention relates to a process for the preparation of compound B
and includes the following stages:
EFFECT: obtaining methods of the production of 3-((1R,3R)-1-(2,6-difluoro-4-((1-(3-fluoropropyl)azetidin-3-yl)amino)phenyl)-3-methyl tartrate -1,3,4,9-tetrahydro-2H-pyrido[3,4-b]indol-2-yl)-2,2-difluoropropan-1-ol, which can be used in the treatment of cancer.
5 cl, 38 tbl, 34 ex, 39 dwg
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