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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2090059Generated: October 26, 2026

Water → 5-Bromo-1,3-dimethoxyisoquinoline

https://huagongshe.com/reaction/2090059

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium MethoxideHCID 10942334—
Reactant5-Bromo-3-chloro-1-methoxyisoquinolineHCID 58349464—
SolventDimethyl SulfoxideHCID 679—
Product5-Bromo-1,3-dimethoxyisoquinolineHCID 67310160—

Reaction Conditions

Temperature90 °C

Reaction Steps

To a solution of 5-bromo-3-chloro-1-methoxyisoquinoline (420 mg, 1.54 mmol) in DMSO (4.0 mL) was added NaOMe (0.5 M in MeOH, 4.0 mL, 2.0 mmol). The solution was heated at 90° C. for 1.5 hours in a microwave reactor. The mixture was poured into water then extracted with EtOAc. The organics were dried over Na2SO4, filtered, and concentrated. The residue was purified by silica gel chromatography eluting with 15% EtOAc/hexanes to afford the title compound: 1H NMR (500 MHz, CDCl3): δ 8.15 (d, J=8.5 Hz, 1H), 7.87 (d, J=8.0 Hz, 1H); 7.18 (t, J=8.0 Hz, 1H), 6.85 (s, 11-1), 4.18 (s, 3H), 4.05 (s, 3H). LC6: 3.67 min, (M+H): 268.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08436015B2
Source datasetuspto-grants-2013_05
ORD IDord-bc7939f2630c4804a079cb4ee3aa3582
Source noteuspto-grants-2013_05