Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1052998Generated: October 27, 2026

2,4-Dimethoxyphenyl isocyanate → 1-Cyclopentyl-3-(2,4-dimethoxy-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dione

https://huagongshe.com/reaction/1052998

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-Dimethoxyphenyl isocyanateHCID 601637—
Reactant4-Cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl esterHCID 67249718—
Product1-Cyclopentyl-3-(2,4-dimethoxy-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dioneHCID 4418723555.9%

Reaction Steps

1-Cyclopentyl-3-(2,4-dimethoxy-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dione (25 mg) was prepared from 4-cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl ester (0.10 mmol) and 2,4-dimethoxyphenyl isocyanate (0.4 mmol) following general procedure C. LCMS: m/z 448 [M+1]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09393245B2
Source datasetuspto-grants-2016_07
ORD IDord-2b0e00e5ed154db7823f88c1b2fd5ecf
Source noteuspto-grants-2016_07