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-[2-(3,4-dimethoxyphenyl)ethynyl]pyridazine (Intermediate 30) except that the solvent mixture used for the hydrogenation was ethanol and tetrahydrofuran (1:1) and the final material was recrystallised from a mixture of ethyl acetate and heptane.

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