Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 52456Generated: October 26, 2026

Lithium Hydroxide → 4-[(4,4-Dimethyl-2-oxo-1,2,3,4-tetrahydro-1-benzyl-6-quinolinyl)ethynyl]benzoic acid

https://huagongshe.com/reaction/52456

Reaction equation

Participants

RoleNameHCIDCharge
ReactantLithium HydroxideHCID 3939—
ReactantEthyl 4-[(4,4-dimethyl-2-oxo-1,2,3,4-tetrahydro-1-benzyl-6-quinolinyl)ethynyl]benzoateHCID 19963704—
Reactant4-[4,4-Dimethyl-2-isopropoxy-1,2,3,4-tetrahydro-6-quinolinyl]ethynyl benzoic acidHCID 53958074—
SolventEthanolHCID 702—
SolventTetrahydrofuranHCID 8028—
Product4-[(4,4-Dimethyl-2-oxo-1,2,3,4-tetrahydro-1-benzyl-6-quinolinyl)ethynyl]benzoic acidHCID 19963733139.1%

Reaction Steps

95.6 mg (0.23 mmol) of ethyl 4-[(4,4-dimethyl-2-oxo-1,2,3,4-tetrahydro-1-benzyl-6-quinolinyl)ethynyl]benzoate (Compound 37) in 2 ml of THF, 2 ml of EtOH, and 1 ml of 1N LiOH were reacted substantially in accordance with the procedure used for the preparation of 4-[4,4-dimethyl-2-isopropoxy-1,2,3,4-tetrahydro-6-quinolinyl]ethynyl benzoic acid (Compound 11) to give the title compound as a white solid (131 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05616712
Source datasetuspto-grants-1997_04
ORD IDord-1e4093ac78cb49dabcd05162c0c3d451
Source noteuspto-grants-1997_04