1,4-Dioxane hydrochloride → HCID 69076795, compound

Participants

Reaction Steps

A mixture of 1.16 g of 1-tert-butoxycarbonyl-4-[2-(4-chloro-2,5-difluorophenyl)thieno[3,2-d]pyrimidine-4-yl]piperazine and 10 ml of 4M HCl-dioxane solution was stirred for two days at room temperature. 10 ml of EtOAc was added to the reaction mixture. After the precipitate was filtered and washed with EtOAc, it was dried under reduced pressure to give 1.17 g of 2-(4-chloro-2,5-difluorophenyl)-4-piperazine-1-ylthieno[3,2-d]pyrimidine dihydrochloride.

Provenance & Evidence