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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 277534Generated: October 30, 2026

Ethyl 4-[(7,8-dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoate → 4-[(7,8-Dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoic acid

https://huagongshe.com/reaction/277534

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 4-[(7,8-dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoateHCID 18314571—
Reactant4-[(7,8-Dihydro-8,8-dimethyl-5-(1,1-dimethylethyl)naphth-3-yl)ethynyl]benzoic acidHCID 18314596—
Product4-[(7,8-Dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoic acidHCID 18314580—

Reaction Steps

Employing the same general procedure as for the preparation of 4-[(7,8-dihydro-8,8-dimethyl-5-(1,1-dimethylethyl)naphth-3-yl)ethynyl]benzoic acid (Compound 80), 25.3 mg (0.08 mmol) of ethyl 4-[(7,8-dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoate (Compound 72) was converted into the title compound (colorless solid) using 8.0 mg (0.14 mmol) of LiOH in H2O.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06355806B1
Source datasetuspto-grants-2002_03
ORD IDord-7a2ec5e9602e429aa11c41349e1f9ce7
Source noteuspto-grants-2002_03