HCID 19106962, compound → HCID 15657652, compound

Participants

Reaction Steps

To a solution of the product from Example 19 (4.35 g) in methanol (100 ml) was added palladium on charcoal 5%, 0.5 g). The solution was hydrogenated (50 psi) and the suspension filtered through Hyflow. Evaporation of solvent gave the title compound as a colorless crystalline solid (3.5 g). Treatment of the catalyst residue with hot methanol afforded the remaining of the title compound (0.8 g), mp 200°-203° C.

Provenance & Evidence