5-Isocyanato-1,3-dioxaindane → 4-(3-Benzo[1,3]dioxol-5-yl-7-methoxy-2,4-dioxo-3,4-dihydro-2H-pyrimido[5,4-c]quinolin-1-yl)-piperidine-1-carboxylic acid tert-butyl ester

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Reaction Steps

4-(3-Benzo[1,3]dioxol-5-yl-7-methoxy-2,4-dioxo-3,4-dihydro-2H-pyrimido[5,4-c]quinolin-1-yl)-piperidine-1-carboxylic acid tert-butyl ester (110 mg) was prepared from 4-(1-tert-butoxycarbonyl-piperidin-4-ylamino)-8-methoxy-quinoline-3-carboxylic acid ethyl ester (0.31 mmol) and 5-isocyanato-benzo[1,3]dioxole (0.465 mmol) following general procedure C. LCMS: m/z 547 [M+1]+.

Provenance & Evidence