1-(2-Chloroethyl)-4,4-difluoropiperidine hydrochloride → 6-[2-(4,4-Difluoro-piperidin-1-yl)-ethoxy]-2-thieno[3,2-c]pyridin-6-yl-chromen-4-one oxime, hydrochloride

Participants

Reaction Steps

6-[2-(4,4-Difluoro-piperidin-1-yl)-ethoxy]-2-thieno[3,2-c]pyridin-6-yl-chromen-4-one oxime, hydrochloride was prepared in 28% overall yield using the method described in example 127, starting from 6-Hydroxy-2-thieno[3,2-c]pyridin-6-yl-chromen-4-one O-tert-butyl-oxime (example 127B) and 1-(2-Chloro-ethyl)-4,4-difluoro-piperidine hydrochloride.

Provenance & Evidence