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

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Reaction Steps

Reaction of 2-phenylquinazoline-4-carboxylic acid with 5-hydroxy-6-methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 17 (18. % yield) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 2.63 and 2.90 (2t, 2H), 3.49 and 4.04 (2t, 2H), 3.74 and 3.80 (2s, 3H), 4.39 and 4.92 (2s, 2H), 6.32 and 6.77 (2d, 1H), 6.70 and 6.91 (2d, 1H), 7.57-7.60 (m, 3H), 7.69-7.79 (m, 1H), 7.86-7.98 (2d, 1H), 8.06-8.18 (m, 2H), 8.50-8.56 (m, 2H), 8.68 and 8.72 (2s, 1H); MS (ESI) m/z 412 ([M+H]+).

Provenance & Evidence