Trifluoroacetic acid → HCID 9861839, compound

Participants

Reaction Steps

Prepared from 200 mg (0.46 mmol) of 1-methyl-7-[4-(pyrazol-1-yl)phenylamino]-3,4-dihydro-pyrimido[4,5-d]pyrimidin-2(1H)-one, trifluoroacetic acid and 309 mg (2.76 mmol) of potassium tert-butoxide in 15 mL of tetrahydrofuran. The reaction mixture is stirred overnight. After the workup, the semi-solid is triturated in diethyl ether, and the powder is collected and dried to give 102 mg (65%) of the title compound: mp>290° C. (dec).

Provenance & Evidence