Dimethyl Sulfoxide → HCID 86693483, compound

Participants

Reaction Steps

A solution of 2,9-dibromo-3-fluoro-6,7-dihydro-5H-5,7-methanobenzo[7]annulen-8(9H)-one (1.04 g at 65% purity LC-UV215) in dimethylsulfoxide (15 mL) was warmed to 80° C. for 1 hr. Evaporation of the reaction mixture (high vacuum distillation) furnished the crude title compound (0.87 g at 72% purity LC-UV215) as a golden-brown syrup which was carried through to the next synthetic step without purification. 1H NMR (500 MHz, CDCl3) δ 2.25-2.30 (m, 2H), 3.12-3.18 (m, 2H), 3.48-3.51 (m, 1H), 3.61-3.65 (m, 1H), 6.94 (d, J=8.2 Hz, 1H), 8.55 (d, J=6.6 Hz, 1H); M+1=305/307.

Provenance & Evidence