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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1700276Generated: November 1, 2026

Acetic Anhydride → HCID 18318073, compound

https://huagongshe.com/reaction/1700276

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant1-Butyne, 3-chloro-3-methyl-HCID 70679—
ReactantHCID 18318065HCID 18318065—
ProductHCID 18318073HCID 18318073—

Reaction Conditions

Temperature100 °C

Reaction Steps

A solution of 30.2 mmol (6.15 g) of 2,2-dimethyl-6-ethoxy-1,2-dihydroquinoline (prepared according to the procedure described in Steps 1 and 2 of Example 1 starting from 2-chloro-2-methyl-3-butyne) in 45 ml of acetic anhydride is heated at 100° C. under an inert atmosphere for 3 hours. After cooling, the medium is concentrated and the residue is purified by chromatography on silica gel, using a dichloromethane:ethyl acetate mixture 95:5 as eluant, to yield the expected compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06350759B1
Source datasetuspto-grants-2002_02
ORD IDord-827e1bdb30dd402d93b7f2613794475b
Source noteuspto-grants-2002_02