Triethylamine → HCID 23498862, compound

Participants

Reaction Conditions

Reaction Steps

To a suspension of 2.076 g (3.99 mmol) 2-bromo-5,5,8,8,-tetramethyl-3-((pyrazol-1-yl)methyl)-5,6,7,8-tetrahydronaphthalene p-toluenesulfonate, 0.045 g (0.20 mmol) of palladium acetate, 0.122 g (0.40 mmol) of tri-o-tolulylphosphine) and 1.22 ml (7.97 mmol) trimethoxyvinylsilane in 8 ml N-methylpyrrolidinone was added 1.80 ml (12.90 mmol) triethylamine. The reaction vessel was evacuated and filled with nitrogen three times then heated to 90° C. for 1.5 hours. The reaction was cooled and stirred for 17 hours at room temperature. The resulting suspension was quenched with 1M hydrochloric acid and extracted with ethyl ether. The organic layer was washed with 1M HCl, water, brine, dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified by flash chromatography (elution with 20% ethyl acetate/hexane) to yield 0.249 g (21%) of 2-vinyl-5,5,8,8,-tetramethyl-3-((pyrazol-1-yl)methyl)-5,6,7,8-tetrahydronaphthalene (M+1=295).

Provenance & Evidence