1,2,3,4-Tetrahydroisoquinolin-5-ol hydrochloride → 2-[[6,7-Dimethoxy-2-(3,4,5-trimethoxyphenyl)quinazolin-4-yl]carbonyl]-5-hydroxy-1,2,3,4-tetrahydroisoquinoline

Participants

Reaction Steps

Reaction of 6,7-dimethoxy-2-(3,4,5-trimethoxyphenyl)quinazoline-4-carboxylic acid with 5-hydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 119 (9.3% yield). 1H NMR (300 MHz, DMSO-d6) δ 2.80 and 2.90 (2t, 2H), 3.52-4.07 (m, 17H), 4.42 and 4.94 (2s, 2H), 6.29-7.17 (m, 4H), 7.48 and 7.51 (2s, 1H), 7.78 and 7.84 (2s, 2H), 9.50 and 9.52 (2s, 1H); MS (ESI) m/z 532 ([M+H]+).

Provenance & Evidence