8-[2'-(2-tert-Butyl-2H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-2-hydroxymethyl-4-methyl-5,8-dihydro-6H-pyrido[2,3-d]pyrimidin-7-one 在
甲烷磺酸 作用下,
以
甲苯 为溶剂,
反应 24.0h,
生成 2-hydroxymethyl-4-methyl-8-[2'-(1H-tetrazol-5-yl)biphenyl-4-ylmethyl]-5,8-dihydro-6H-pyrido[2,3-d]pyrimidin-7-one