HCID 89775215, compound → HCID 89775323, compound

Participants

Reaction Steps

Racemic 3-amino-7-bromo-5-(1-cyclopropylethyl)-1,5-dihydro-4H-pyrazolo[4,3-c]pyridin-4-one obtained in Example 164 (1.12 g) was resolved by HPLC (column: CHIRALPAD AD, 50 mmID×500 mmL, manufactured by Daicel Chemical Industries, mobile phase: hexane/ethanol=800/200(v/v)) to give the title compound (539 mg) having a longer retention time.

Provenance & Evidence