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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 533064Generated: October 25, 2026

3-Methylbenzyl isocyanate → 1-Cyclopentyl-7-methoxy-3-(3-methyl-benzyl)-1H-pyrimido[5,4-c]quinoline-2,4-dione

https://huagongshe.com/reaction/533064

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Methylbenzyl isocyanateHCID 2733387—
Reactant4-Cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl esterHCID 67249718—
Product1-Cyclopentyl-7-methoxy-3-(3-methyl-benzyl)-1H-pyrimido[5,4-c]quinoline-2,4-dioneHCID 5832941943.3%

Reaction Steps

1-Cyclopentyl-7-methoxy-3-(3-methyl-benzyl)-1H-pyrimido[5,4-c]quinoline-2,4-dione (18 mg) was prepared from 4-cyclopentylamino-8-methoxy-quinoline-3-carboxylic acid ethyl ester (0.1 mmol) and 1-isocyanatomethyl-3-methyl-benzene (0.5 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-5c602c2b83f4432ba371a39acdeeecd1
Source noteuspto-grants-2014_10