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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1159626Generated: November 3, 2026

3,4-Dichlorophenol → HCID 59514717, compound

https://huagongshe.com/reaction/1159626

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DichlorophenolHCID 7258—
Reactant2-Methyl-3-butyn-2-olHCID 8258—
ReactantTrifluoroacetic anhydrideHCID 9845—
Reactant1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
SolventAcetonitrileHCID 6342—
ProductHCID 59514717HCID 59514717—

Reaction Conditions

Temperature0 °C

Reaction Steps

2-Methyl-but-3-yn-2-ol (1.68 g, 20 mmol) in acetonitrile (10 ml) was treated with DBU (20 mmol) and trifluoroacetic anhydride (20 mmol) at 0° C. The resulting mixture was stirred at 0° C. for 20 mins and then transferred to the solution of 3,4-dichlorophenol in acetonitrile (15 ml) with DBU (22 mmol) and CuCl2.H2O (10 mg) at the same temperature over a period of about 10 mins. The reaction mixture was stirred for 2 h and then quenched with H2O. Ethyl acetate was added to extract the product twice. Organic layer was washed with brine, dried and concentrated to yield the title compound as a colorless liquid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07812183B2
Source datasetuspto-grants-2010_10
ORD IDord-e42de6b7763d40b79822f769f642dab4
Source noteuspto-grants-2010_10