HCID 54153966, compound → HCID 53687760, compound

Participants

Reaction Steps

A solution of 1-(3,5-dichloro-pyridin-4-ylmethyl)-6-methoxy-5-phenylethynyl-phthalazine (0.47 g, 1.12 mmoles), prepared as described in example 62, in THF (50 ml) was hydrogenated in Parr in the presence of 10% Pd/C (0.1 g) for 2 hours, then filtered, brought to dryness and flash chromatographed (eluent: petrolatum/ethyl acetate 1:1). The fractions containing the product were concentrated and taken up in 20 ml of ethyl ether/petrolatum 1:1. The crystallised was filtered and dried under vacuum at 40° C. to give 0.37 g of the title compound (yield: 78%). m.p.: 180-182° C.

Provenance & Evidence