Tetrahydrofuran → HCID 53677456, compound

Participants

Reaction Steps

A 15 mL round bottom flask was charged with (+)-(4aR)-(10bR)-4-methyl-10b-methyl-1,2,3,4,4a,-5,6,10b-octahydrobenzo[f]quinolin-3-one-8-boronic acid (178 mg, 0.65 mmol), tetrakis(triphenylphosphine)palladium(0) (23 mg, 0.02 mmol), 4-bromoisoquinoline (135 mg, 0.65 mmol), 0.65 mL of sodium carbonate and 2 mL of THF, fitted with a reflux condenser, and the stirred mixture was heated at 80°, under nitrogen, for 24 h. An additional 23 mg of the palladium reagent was added, and the mixture was heated an additional 24 h. The mixture was cooled, diluted with chloroform (75 mL) and washed with brine (2 ×25 mL). The combined organic extracts were dried over sodium sulfate, concentrated, and purified by silica gel chromatography (ethyl acetate eluent) to give 110 mg (47%) of the title compound as an amorphous foam. FDMS: m/e=356. α[D]589 =+67.82 (c=0.40, methanol).

Provenance & Evidence