methyl (S)-4-[5-(1-imidazolyl)-2-methyl-α-{(S)-2-(4-methylbenzenesulfonylamino)-3-phenylpropionyloxy}benzyl]-3,5-dimethylbenzoate 以
N,N-二甲基甲酰胺 为溶剂,
以to give 13.8 g of (S)-4-[α-hydroxy-5-(1-imidazolyl)-2-methylbenzyl]-3,5-dimethylbenzoic acid, melting point 286-288° C. (decomposition), optical rotation [α]D21 -261.5° (c=1.0, dimethylformamide)的产率得到(S)-4-[hydroxy[5-(imidazol-1-yl)-2-methylphenyl]methyl]-3,5-dimethylbenzoic acid