反应详情

Prepared in the same way as 4-hydroxy-6-(2-phenylethyl)pyridazin-3(2H)-one (Example 1) from 3,4-bis(benzyloxy)-6-[(3-methylphenyl)methyl]pyridazine (Intermediate 57) except that the solvent mixture used for the hydrogenation was made up from tetrahydrofuran and ethyl acetate and the product was recrystallised from a mixture of ethyl acetate and heptane.

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