Dimethylformamide → Trelanserin

Participants

Reaction Conditions

Reaction Steps

66.9 kg of 7-fluoro-4-[2-[4-[thieno[3,2-c]pyridin-4-yl]piperazin-1-yl]ethyl]-quinolin-2(1H)-one (V), 18.4 kg of 2-chloroacetamide (1.2 eq.), 51.5 kg of potassium carbonate (2 eq.) and 335 l of DMF are introduced into a reactor. The mixture is stirred at 50° C. for twenty hours and then cooled to 25° C. and 1000 l of water are added. The suspension obtained is filtered and washed with water and a paste is re-formed in 307 l of ethanol. The solid is filtered off. 60.7 kg, estimated on a dry basis, of a white solid (II) are obtained.

Provenance & Evidence