5,6-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride → 2-[[2-(4-Methylphenyl)quinazolin-4-yl]carbonyl]-5,6-dimethoxy-1,2,3,4-tetrahydroisoquinoline

Participants

Reaction Steps

Reaction of 2-(4-methylphenyl)quinazoline-4-carboxylic acid with 5,6-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 14 (17% yield) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 2.41 (s, 3H), 2.73 and 2.98 (2t, 2H), 3.48 and 4.03 (2t, 2H), 3.69 and 3.75 (2s, 3H), 3.76 and 3.82 (2s, 3H), 4.41 and 4.93 (2s, 2H), 6.62 and 7.01 (2d, 1H), 6.80 and 7.08 (2d, 1H), 7.37-7.41 (m, 2H), 7.67-7.77 (m, 1H), 7.86-7.98 (2d, 1H), 8.04-8.16 (m, 2H), 8.40-8.43 (m, 2H); MS (ESI) m/z 440 ([M+H]+).

Provenance & Evidence