Process for the preparation of a medicament

    公开(公告)号:US11414412B2

    公开(公告)日:2022-08-16

    申请号:US17016900

    申请日:2020-09-10

    Abstract: A process for the manufacture N-(5-((5R,6S)-5-amino-6-fluorooxepan-2-yl)-1-methyl-1H-pyrazol-4-yl)-2-(2,6-difluorophenyl)thiazole-4-carboxamide (I) wherein the vicinal amino fluoro substituents are introduced by treating 5 with sodium chloro((4-nitrophenyl)sulfonyl)amide and N-bromosucinimide and unraveling the resulting substituted aziridine (6) with trimethylamine trihydrofluoride to afford 7 which is further processed to afford 1.

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