HRID1697598

反应详情

EQUATION

反应方程式

HRID 1697598 的结构方程式

PROCEDURE

实验过程

In analogy to the procedure described in example 253e, a mixture of (2S,4R)-1-(2-isopropyl-5-methyl-2H-pyrazol-3-yl)-4-[4-(2,2,2-trifluoro-ethoxy)-2-trifluoromethyl-benzenesulfonyl]-pyrrolidine-2-carboxylic acid methyl ester and (2R,4R)-1-(2-isopropyl-5-methyl-2H-pyrazol-3-yl)-4-[4-(2,2,2-trifluoro-ethoxy)-2-trifluoromethyl-benzenesulfonyl]-pyrrolidine-2-carboxylic acid methyl ester was saponified in the presence of lithium hydroxide to give the title compound as colorless solid. MS (ESI): m/z=544.2 [M+H]+.