m-Chloroperbenzoic acid → 9-(1-hydroxy-2-morpholinoethyl)-6-(4-methoxybenzyl)pyrido[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5(6H)-one

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Reaction Steps

6-(4-Methoxybenzyl)-9-(oxiran-2-yl)pyrido[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5(6H)-one. 3-Chloroperbenzoic acid (139 mg, 0.62 mmol) was added to a stirred solution of 6-(4-methoxybenzyl)-9-vinylpyrido[3,2-e][1,2,4]triazolo[1,5-c]pyrimidin-5(6H)-one (Example 30, 138 mg, 0.41 mmol) in DCM (1.3 mL) and the mixture was stirred for 18 h. Saturated sodium bicarbonate (3 mL) was added to the reaction mixture and the mixture was stirred for 2 h. The reaction mixture was diluted with DCM (5 mL), and the organic layer was separated, dried (MgSO4), and concentrated under vacuum to afford the title compound (118 mg, 82%) as a yellow semi-solid, which was used without further purification in the next step.

Provenance & Evidence