Reaktion #81664

Reaktionsgleichung

ethyl 4-[(5-trifluoromethylsulfonyloxy-7,8-dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoate

Compound 66

ethyl 4-[(5-trifluoromethylsulfonyloxy-7,8-dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoate

ethyl 4-[(5,6,7,8-tetrahydro-8,8-dimethyl-5-oxonaphth-2-yl)ethynyl]benzoate

Compound 1

ethyl 4-[(5,6,7,8-tetrahydro-8,8-dimethyl-5-oxonaphth-2-yl)ethynyl]benzoate

→

title compound

Ethyl 4-[(5-trifluoromethylsulfonyloxy-7,8-dihydro-8,8-dimethylnaphth-2-yl)ethynyl]benzoate

Lösungsmittel

THF

Reaktionsbedingungen

Vorschrift

Employing the same general procedure as for the preparation of ethyl 4-[(5-trifluoromethylsulfonyloxy-7,8-dihydro-8,8-dimethylnaphth-3-yl)ethynyl]benzoate (Compound 66), 800 mg (2.31 mmol) of ethyl 4-[(5,6,7,8-tetrahydro-8,8-dimethyl-5-oxonaphth-2-yl)ethynyl]benzoate (Compound 1) in 2 ml of THF was converted into the title compound (white solid) using 466 mg (2.5 ml, 2.54 mmol) of sodium bis(trimethylsilyl)amide (1.0M solution in THF) and a solution of 961 mg (2.54 mmol) of 2-[N,N-bis(trifluoromethylsulfonyloxy)amino]-5-chloropyridine in 2 ml of THF.

Quelle