Ethyl 2-methyl-4-{N-[(2'-[N-triphenylmethyl-1H-tetrazol-5-yl]biphenyl-4-yl)methyl]amino}pyrimidine-5-carboxylate 在
盐酸 、 lithium hydroxide 作用下,
以92%的产率得到2-Methyl-4-{N-[(2'-[1H-tetrazol-5-yl]biphenyl-4-yl)methyl]amino}pyrimidine-5-carboxylic acid hydrochloride