Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 717391Generated: October 31, 2026

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

https://huagongshe.com/reaction/717391

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5,6-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochlorideHCID 71757404—
Reactant2-(4-Fluorophenyl)quinazoline-4-carboxylic acidHCID 90411497—
Product2-[[2-(4-Fluorophenyl)quinazolin-4-yl]carbonyl]-5,6-dimethoxy-1,2,3,4-tetrahydroisoquinolineHCID 8626881310%

Reaction Steps

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]+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09193707B2
Source datasetuspto-grants-2015_11
ORD IDord-c615b0ea72c04f59a90759dc7c6af08c
Source noteuspto-grants-2015_11