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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 613078Generated: October 27, 2026

Phenylacetyl chloride → N-(4-Hydroxy-2-oxo-6-phenyl-2H-pyran-3-yl)benzene-acetamide

https://huagongshe.com/reaction/613078

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylacetyl chlorideHCID 7679—
ReactantTriethylamineHCID 8471—
Reactant3-amino-4-hydroxy-6-phenyl-2H-pyran-2-one hydrochlorideHCID 54681289—
Catalyst4-(Dimethylamino)pyridineHCID 14284—
SolventDichloromethaneHCID 6344—
ProductN-(4-Hydroxy-2-oxo-6-phenyl-2H-pyran-3-yl)benzene-acetamideHCID 54681362—

Reaction Steps

The title compound was prepared by Method E using 3-amino-4-hydroxy-6-phenyl-2H-pyran-2-one hydrochloride (0.150 g, 0.626 mmol), methylene chloride (6 mL), triethylamine (0.348 mL, 2.50 mmol), catalytic 4-dimethylaminopyridine, phenacetyl chloride (0.106 g, 0.626 mmol). m.p. dec. 213° C.; 1H NMR (250 MHz, DMSO-d6) δ3.69 (s, 2 H), 6.85 (s, 1 H), 7.29 (m, 4 H), 7.53 (m, 3 H), 7.83 (m, 2 H), 9.40 (bs, 1 H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06005103
Source datasetuspto-grants-1999_12
ORD IDord-55ec4556280447d79141222254e91307
Source noteuspto-grants-1999_12