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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 844685Generated: October 30, 2026

Methanol → 1-Cyclopropyl-6-ethynyl-4,4-dimethyl-1,2,3,4-tetrahydroquinoline

https://huagongshe.com/reaction/844685

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantEthyl AcetateHCID 8857—
ReactantPotassium CarbonateHCID 11430—
Reactant1-Cyclopropyl-6-trimethylsilanylethynyl-4,4-dimethyl-1,2,3,4-tetrahydroquinolineHCID 22568795—
SolventHexaneHCID 8058—
Product1-Cyclopropyl-6-ethynyl-4,4-dimethyl-1,2,3,4-tetrahydroquinolineHCID 22568871—

Reaction Steps

Following general procedure E and using 1-cyclopropyl-6-trimethylsilanylethynyl-4,4-dimethyl-1,2,3,4-tetrahydroquinoline (Intermediate 52, 0.40 g, 1.34 mmol), methanol and potassium carbonate (0.2 g, 1.47 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 2% ethyl acetate in hexane as the eluent, the title compound was obtained as an oil (0.17 g, 56%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06380256B1
Source datasetuspto-grants-2002_04
ORD IDord-9e8e8d6de14c40008e4afaf74e54762c
Source noteuspto-grants-2002_04