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

HRID 717422Notes

Reaction equation

HRID 717422 reaction equation
[F:1][C:2]([F:23])([F:22])[C:3]1[CH:8]=[CH:7][C:6]([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:5][CH:4]=1.Cl.[CH3:25][O:26][C:27]1[C:36]([O:37][CH3:38])=[CH:35][CH:34]=[C:33]2[C:28]=1[CH2:29][CH2:30][NH:31][CH2:32]2>>[F:23][C:2]([F:1])([F:22])[C:3]1[CH:4]=[CH:5][C:6]([C:9]2[N:18]=[C:17]([C:19]([N:31]3[CH2:30][CH2:29][C:28]4[C:33](=[CH:34][CH:35]=[C:36]([O:37][CH3:38])[C:27]=4[O:26][CH3:25])[CH2:32]3)=[O:21])[C:16]3[C:11](=[CH:12][CH:13]=[CH:14][CH:15]=3)[N:10]=2)=[CH:7][CH:8]=1

Participants

3

Procedure

Reaction of 2-(4-(trifluoromethyl)phenyl)quinazoline-4-carboxylic acid with 5,6-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 39 (13% yield) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 2.72 and 2.99 (2t, 2H), 3.50 and 4.04 (2t, 2H), 3.68-3.82 (4s, 6H), 4.43 and 4.94 (2s, 2H), 6.62 and 7.01 (2d, 1H), 6.81 and 7.08 (2d, 1H), 7.82-7.85 (m, 1H), 7.93-8.04 (m, 3H), 8.12-8.24 (m, 2H), 8.70-8.76 (m, 2H); MS (ESI) m/z 494 ([M+H]+).

Sources & evidence

ORD record
ord-19718a3cc6a34c76825ef47acab1b1cc
Source dataset
uspto-grants-2015_11
Patent number
US09193707B2

Reaction notes

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