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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 533070Generated: October 26, 2026

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

https://huagongshe.com/reaction/533070

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,5-Dimethylphenyl isocyanateHCID 98605—
Reactant4-Cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl esterHCID 67249718—
Product1-Cyclopentyl-3-(2,5-dimethyl-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dioneHCID 5832945734.6%

Reaction Steps

1-Cyclopentyl-3-(2,5-dimethyl-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dione (46 mg) was prepared from 4-cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl ester (0.32 mmol) and 1-isocyanato-2,5-dimethyl-benzene (0.48 mmol) following general procedure C. LCMS: m/z 416 [M+1]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08853226B2
Source datasetuspto-grants-2014_10
ORD IDord-607afa6389e94990b40b8873d42193bb
Source noteuspto-grants-2014_10