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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1648195Generated: November 2, 2026

2,2,6-Trimethyl-5-phenyl-2H,4H-1,3-dioxin-4-one → 3-[1-(3-chlorophenyl)cyclopentyl]-6-methyl-5-phenyl-2,3-dihydro-4H-1,3-oxazin-4-one

https://huagongshe.com/reaction/1648195

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,2,6-Trimethyl-5-phenyl-2H,4H-1,3-dioxin-4-oneHCID 13157024—
ReactantN-methylene-1-(3-chlorophenyl)cyclopentylamineHCID 19918958—
SolventO-XyleneHCID 7237—
Product3-[1-(3-chlorophenyl)cyclopentyl]-6-methyl-5-phenyl-2,3-dihydro-4H-1,3-oxazin-4-oneHCID 1991895788.5%

Reaction Steps

A mixture of 5-phenyl-2,2,6-trimethyl-2H,4H-1,3-dioxin-4-one (0.65 g) and N-methylene-1-(3-chlorophenyl)cyclopentylamine (0.78 g) and xylene (3 ml) was heated at reflux for 30 minutes for reaction. The reaction mixture was purified by silica gel chromatography to obtain the captioned compound (0.97 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05436224
Source datasetuspto-grants-1995_07
ORD IDord-35f7b444f7d04553a18949766865c441
Source noteuspto-grants-1995_07