反应详情

In analogy to the procedure described in example 4.5, [2-(4-chloro-phenyl)-4,5,6,7-tetrahydro-2H-indazol-3-yl]-cyclohexyl-acetic acid ethyl ester (example 4.3) was treated with aqueous NaOH solution in MeOH to give the title compound as yellow foam which was sufficiently pure to be used in the next step. MS: m/e=373.2 [M+H+].