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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1596920Generated: October 31, 2026

Trimethylsilylacetylene → 1-Cyclopropyl-6-trimethylsilanylethynyl-4,4-dimethyl-1,2,3,4-tetrahydroquinoline

https://huagongshe.com/reaction/1596920

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrimethylsilylacetyleneHCID 66111—
Reactant6-Bromo-1-cyclopropyl-4,4-dimethyl-1,2,3,4-tetrahydroquinolineHCID 22568935—
CatalystCopper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)HCID 24350—
CatalystHCID 178418476HCID 178418476—
SolventTriethylamineHCID 8471—
Product1-Cyclopropyl-6-trimethylsilanylethynyl-4,4-dimethyl-1,2,3,4-tetrahydroquinolineHCID 22568795—

Reaction Steps

Following general procedure D and using 6-bromo-1-cyclopropyl-4,4-dimethyl-1,2,3,4-tetrahydro quinoline (Intermediate 51, 0.8 g, 2.86 mmol), (trimethylsilyl)acetylene (5 mL, 35 mmol), triethyl amine (10 mL), anhydrous tetrahydrofuiran, copper(I)iodide (0.080 g, 0.42 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.240 g, 0.34 mmol), the title compound was obtained as an oil (0.67 g, 79%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06291677B1
Source datasetuspto-grants-2001_09
ORD IDord-09fb4dabefed4735b2f4ed25a3888f2c
Source noteuspto-grants-2001_09