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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1831140Generated: October 27, 2026

3-Benzyl-4-methylumbelliferone → 3,4-Dihydro-2H-quinoline-1-carboxylic Acid 3-benzyl-4-methyl-2-oxo-2H-chromen-7-yl Ester

https://huagongshe.com/reaction/1831140

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Benzyl-4-methylumbelliferoneHCID 5338538—
ReactantHCID 10959576HCID 10959576—
Product3,4-Dihydro-2H-quinoline-1-carboxylic Acid 3-benzyl-4-methyl-2-oxo-2H-chromen-7-yl EsterHCID 86589193—

Reaction Steps

The title compound was prepared from 3-benzyl-7-hydroxy-4-methyl-2H-chromen-2-one and 3-(3,4-dihydro-2H-quinoline-1-carbonyl)-1-methyl-3H-imidazol-1-ium iodide. HPLC-MS m/z=426 (M+1), Rt: 5.34 min.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07067517B2
Source datasetuspto-grants-2006_06
ORD IDord-cd69b93a91684f9a96ef38e161655e39
Source noteuspto-grants-2006_06