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

HRID 717492Notes

Reaction equation

HRID 717492 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13][CH3:14])[N:9]=[C:8]([C:15]1[CH:20]=[C:19]([O:21][CH3:22])[C:18]([O:23][CH3:24])=[C:17]([O:25][CH3:26])[CH:16]=1)[N:7]=[C:6]2[C:27](O)=[O:28].Cl.[OH:31][C:32]1[CH:41]=[CH:40][CH:39]=[C:38]2[C:33]=1[CH2:34][CH2:35][NH:36][CH2:37]2>>[CH3:1][O:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][C:12]=1[O:13][CH3:14])[N:9]=[C:8]([C:15]1[CH:16]=[C:17]([O:25][CH3:26])[C:18]([O:23][CH3:24])=[C:19]([O:21][CH3:22])[CH:20]=1)[N:7]=[C:6]2[C:27]([N:36]1[CH2:35][CH2:34][C:33]2[C:38](=[CH:39][CH:40]=[CH:41][C:32]=2[OH:31])[CH2:37]1)=[O:28]

Participants

3

Reactant 2

HCID 139482521,2,3,4-Tetrahydroisoquinolin-5-ol hydrochlorideHCID 904106406,7-Dimethoxy-2-(3,4,5-trimethoxyphenyl)quinazoline-4-carboxylic acid

Product 1

HCID 862688182-[[6,7-Dimethoxy-2-(3,4,5-trimethoxyphenyl)quinazolin-4-yl]carbonyl]-5-hydroxy-1,2,3,4-tetrahydroisoquinolineYield 9.3%

Procedure

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]+).

Sources & evidence

ORD record
ord-89efcde5ca554244bebd73484a0b48c3
Source dataset
uspto-grants-2015_11
Patent number
US09193707B2

Reaction notes

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