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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2192108Generated: October 25, 2026

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

https://huagongshe.com/reaction/2192108

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,5-Xylyl isocyanateHCID 521488—
Reactant4-Cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl esterHCID 67249718—
Product1-Cyclopentyl-3-(3,5-dimethyl-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dioneHCID 5832943724.8%

Reaction Steps

1-Cyclopentyl-3-(3,5-dimethyl-phenyl)-7-methoxy-1H-pyrimido[5,4-c]quinoline-2,4-dione (33 mg) was prepared from 4-cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl ester (0.32 mmol) and 1-isocyanato-3,5-dimethyl-benzene (0.48 mmol) following general procedure C. LCMS: m/z 416 [M+1]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08329715B2
Source datasetuspto-grants-2012_12
ORD IDord-1640cd4c4b534eb1b3cd800dc5c498b4
Source noteuspto-grants-2012_12