、 tert-butyl 4-[1-(2,3-difluoro-4-methoxybenzyl)-6-(4-fluoro-2-methoxyphenyl)-2,4-dioxo-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl]piperidine-1-carboxylate 、
盐酸 以
二氯甲烷 、
1,4-二氧六环 为溶剂,
生成
1-(2,3-difluoro-4-methoxybenzyl)-6-(4-fluoro-2-methoxyphenyl)-3-(piperidin-4-yl)thieno[3,2-d]pyrimidine-2,4(1H,3H)-dione hydrochloride