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

HRID 717391Notes

Reaction equation

HRID 717391 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:17]=[C:16]([C:18](O)=[O:19])[C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[N:9]=2)=[CH:4][CH:3]=1.Cl.[CH3:22][O: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>>[F:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2[N:17]=[C:16]([C:18]([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[O:23][CH3:22])[CH2:29]3)=[O:19])[C:15]3[C:10](=[CH:11][CH:12]=[CH:13][CH:14]=3)[N:9]=2)=[CH:6][CH:7]=1

Participants

3

Procedure

Reaction of 2-(4-fluorophenyl)quinazoline-4-carboxylic acid with 5,6-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride gave compound 3 (10% yield) as a white solid. 1H NMR (300 MHz, DMSO-d6) δ 2.72 and 2.98 (2t, 2H), 3.49 and 4.03 (2t, 2H), 3.68 and 3.75 (2s, 3H), 3.76 and 3.81 (2s, 3H), 4.42 and 4.93 (2s, 2H), 6.63 and 7.01 (2d, 1H), 6.81 and 7.08 (2d, 1H), 7.37-7.44 (m, 2H), 7.76-7.79 (m, 1H), 7.89-7.99 (2d, 1H), 8.07-8.15 (m, 2H), 8.53-8.62 (m, 2H); MS (ESI) m/z 444 ([M+H]+).

Sources & evidence

ORD record
ord-c615b0ea72c04f59a90759dc7c6af08c
Source dataset
uspto-grants-2015_11
Patent number
US09193707B2

Reaction notes

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