2-(4-Methoxyphenyl)quinazoline-4-carboxylic acid → 2-[[2-(4-Methoxylphenyl)quinazolin-4-yl]carbonyl]-5-hydroxy-6-methoxy-1,2,3,4-tetrahydroisoquinoline

Participants

Reaction Steps

Reaction of 2-(4-methoxylphenyl)quinazoline-4-carboxylic acid with 5-hydroxy-6-methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 22 (16% yield) as a yellow solid. 1H NMR (300 MHz, DMSO-d6) δ 2.65 and 2.89 (2t, 2H), 3.47 and 4.03 (2t, 2H), 3.74-3.87 (3s, 6H), 4.38 and 4.91 (2s, 2H), 6.32 and 6.77 (2d, 1H), 6.70 and 6.91 (2d, 1H), 7.09-7.15 (m, 2H), 7.63-7.73 (m, 1H), 7.81-7.93 (2d, 1H), 8.02-8.12 (m, 2H), 8.44-8.51 (m, 2H), 8.68 and 8.73 (2s, 1H); MS (ESI) m/z 442 ([M+H]+).

Provenance & Evidence