HRID1697604
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
PROCEDURE
实验过程
In analogy to the procedure described in example 308d, a mixture of (2S,4R)-1-(3-oxo-butyryl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid methyl ester (example 192 f) and of (2R,4R)-1-(3-oxo-butyryl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid methyl ester was reacted with Lawesson's reagent (CAS Reg. No. 19172-47-5) and cyclobutylhydrazine hydrochloride (CAS Reg. No. 158001-21-9) to give a mixture of the title compound and (2R,4R)-1-(2-cyclobutyl-5-methyl-2H-pyrazol-3-yl)-4-(2-trifluoromethyl-benzenesulfonyl)-pyrrolidine-2-carboxylic acid methyl ester as white solid. MS (ESI): m/z=472.3 [M+H]+.
WORKUP
后处理
- custom158001-21-9) to give