4-Methylphenyl isocyanate → HCID 58329415, compound

Participants

Reaction Steps

1-Cyclopentyl-7-methoxy-3-p-tolyl-1H-pyrimido[5,4-c]quinoline-2,4-dione (26 mg) was prepared from 4-cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl ester (0.1 mmol) and 1-isocyanato-4-methyl-benzene (0.5 mmol) following general procedure C. LCMS: m/z 402 [M+1]+. 1H NMR (400 MHz, CDCl3): δ 9.49 (s, 1H), 7.84 (d, 1H), 7.61 (t, 1H), 7.38 (m, 1H), 7.34 (m, 1H), 7.32 (m, 1H), 7.24 (d, 1H), 7.08 (d, 1H), 5.03 (p, 1H), 4.16 (s, 3H), 2.43 (m, 2H), 2.29 (s, 3H), 2.08 (m, 4H), and 1.24 (m, 2H) ppm.

Provenance & Evidence