反应详情

Prepared by the same method as for 4-hydroxy-6-(2-phenylethyl)pyridazin-3(2H)-one (Example 1) from 3,4-bis(benzyloxy)-6-((3(trifluoromethoxy)phenyl)ethynyl)pyridazine (Intermediate 39) except that the solvent used for the hydrogenation was ethanol and the final compound was recrystallised from a mixture of ethyl acetate and heptane.

1. customthe final compound was recrystallised from a mixture of ethyl acetate and heptane