5,6-Dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrobromide → 2-[[2-(3-Methoxylphenyl)quinazolin-4-yl]carbonyl]-5,6-dihydroxy-1,2,3,4-tetrahydroisoquinoline

Participants

Reaction Steps

Reaction of 2-(3-methoxylphenyl)quinazoline-4-carboxylic acid with 5,6-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrobromide gave compound 48 (9% yield) as brown oil. 1H NMR (300 MHz, CD3OD) δ 2.83 and 3.05 (2t, 2H), 3.55 and 4.14 (2t, 2H), 3.87-3.92 (2s, 3H), 4.40 and 4.98 (2s, 2H), 6.15 and 6.64 (2d, 1H), 6.54 and 6.75 (2d, 1H), 7.08-7.12 (m, 1H), 7.41-7.47 (m, 1H), 7.69-7.74 (m, 1H), 7.88-8.21 (m, 5H); MS (ESI) m/z 428 ([M+H]+).

Provenance & Evidence