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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1179739Generated: October 29, 2026

7-Hydroxy-3-(4-methoxyphenyl)-4-methyl-2H-1-benzopyran-2-one → Methyl-phenyl-carbamic Acid 3-(4-methoxy-phenyl)-4-methyl-2-oxo-2H-chromen-7-yl Ester

https://huagongshe.com/reaction/1179739

Reaction equation

Participants

RoleNameHCIDCharge
Reactant7-Hydroxy-3-(4-methoxyphenyl)-4-methyl-2H-1-benzopyran-2-oneHCID 5357627—
Reactant1-methyl-3-(methyl-phenyl-carbamoyl)-3H-imidazol-1-ium iodideHCID 10947884—
ProductMethyl-phenyl-carbamic Acid 3-(4-methoxy-phenyl)-4-methyl-2-oxo-2H-chromen-7-yl EsterHCID 1028777643.3%

Reaction Steps

The title compound (90 mg, 43% yield, white solid) was prepared from 7-hydroxy-3-(4-methoxy-phenyl)-4-methyl-chromen-2-one (141 mg, 0.50 mmol) and 1-methyl-3-(methyl-phenyl-carbamoyl)-3H-imidazol-1-ium iodide (175 mg, 0.51 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07279470B2
Source datasetuspto-grants-2007_10
ORD IDord-ecb0f7ac96424306ba4f728668bb92ff
Source noteuspto-grants-2007_10