2-Phenylquinazoline-4-carboxylic acid → 2-[[2-Phenylquinazolin-4-yl]carbonyl]-5,6-dimethoxy-1,2,3,4-tetrahydroisoquinoline

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Reaction Steps

Reaction of 2-phenylquinazolin-4-carboxylic acid with 5,6-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 19 (11% yield) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 2.73 and 2.99 (2t, 2H), 3.49 and 4.04 (2t, 2H), 3.69 and 3.75 (2s, 3H), 3.76 and 3.81 (2s, 3H), 4.42 and 4.94 (2s, 2H), 6.63 and 7.01 (2d, 1H), 6.80 and 7.08 (2d, 1H), 7.57-7.60 (m, 3H), 7.77-7.79 (m, 1H), 7.89-8.00 (2d, 1H), 8.07-8.19 (m, 2H), 8.50-8.57 (m, 2H); MS (ESI) m/z 426 ([M+H]+).

Provenance & Evidence