反应详情

Piperonylamine (0.035 g, 0.288 mmol, 2 eq) and N,7-bis(benzyloxy)-3-oxo-1,3-dihydrofuro[3,4-c]pyridine-6-carboxamide (0.056 g, 0.144 mmol, 1 eq), compound 1c of example 1, were heated neat at 70° C. for 30 min. The crude product was purified by silica gel (30% ethyl acetate) yielding 0.048 g of N5-(benzo[d][1,3]dioxol-5-ylmethyl)-N2,3-bis(benzyloxy)-4-(hydroxymethyl)pyridine-2,5-dicarboxamide (62% yield) as a white solid; MS-ESI m/z 542 [MH]+.

1. customThe crude product was purified by silica gel (30% ethyl acetate)