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

HRID 717428Notes

Reaction equation

HRID 717428 reaction equation
[O:1]([C:3]1[CH:4]=[C:5]([C:9]2[N:18]=[C:17]([C:19]([OH:21])=O)[C:16]3[C:11](=[CH:12][CH:13]=[CH:14][CH:15]=3)[N:10]=2)[CH:6]=[CH:7][CH:8]=1)[CH3:2].Cl.[OH:23][C:24]1[C:33]([O:34][CH3:35])=[CH:32][CH:31]=[C:30]2[C:25]=1[CH2:26][CH2:27][NH:28][CH2:29]2>>[O:1]([C:3]1[CH:4]=[C:5]([C:9]2[N:18]=[C:17]([C:19]([N:28]3[CH2:27][CH2:26][C:25]4[C:30](=[CH:31][CH:32]=[C:33]([O:34][CH3:35])[C:24]=4[OH:23])[CH2:29]3)=[O:21])[C:16]3[C:11](=[CH:12][CH:13]=[CH:14][CH:15]=3)[N:10]=2)[CH:6]=[CH:7][CH:8]=1)[CH3:2]

Participants

3

Procedure

Reaction of 2-(3-methoxylphenyl)quinazoline-4-carboxylic acid with 5-hydroxy-6-methoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 47 (17% yield) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 2.67 and 2.90 (2t, 2H), 3.50 and 4.04 (2t, 2H), 3.74-3.88 (4s, 6H), 4.39 and 4.92 (2s, 2H), 6.32 and 6.77 (2d, 1H), 6.70 and 6.91 (2d, 1H), 7.15-7.18 (m, 1H), 7.46-7.53 (m, 1H), 7.77-8.19 (m, 6H), 8.68-8.72 (2s, 1H); MS (ESI) m/z 442 ([M+H]+).

Sources & evidence

ORD record
ord-05b7d30b8f7a4b18b387a2d51023f06c
Source dataset
uspto-grants-2015_11
Patent number
US09193707B2

Reaction notes

Loading…