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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1648198Generated: November 2, 2026

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

https://huagongshe.com/reaction/1648198

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,2,6-Trimethyl-5-phenyl-2H,4H-1,3-dioxin-4-oneHCID 13157024—
ReactantN-methylene-1-methyl-1-(2-naphthyl)ethylamineHCID 19918961—
SolventO-XyleneHCID 7237—
Product6-methyl-3-[1-methyl-1-(2naphthyl)ethyl]-5-phenyl-2,3-dihydro-4H-1,3-oxazin-4-oneHCID 1991894537.6%

Reaction Steps

A mixture of 5-phenyl-2,2,6-trimethyl-2H,4H-1,3-dioxin-4-one (0.65 g), N-methylene-1-methyl-1-(2-naphthyl)ethylamine (0.60 g) and xylene (3 ml) was heated at reflux for 20 minutes for reaction. The reaction mixture was purified by silica gel chromatography to obtain the captioned compound (0.40 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05436224
Source datasetuspto-grants-1995_07
ORD IDord-f7ad375ac89c4f4a9bdacd01dd5e2fdb
Source noteuspto-grants-1995_07