Triphenylphosphine → HCID 15986279, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 2-chloro-5,10-dihydro-3,4,5,10-tetraaza-dibenzo[a,d]cyclohepten-11-one from Example 2 (150 mg, 0.61 mmol) in toluene (3 ml) was added tri-n-butyl(vinyl)tin (231 mg, 0.73 mmol) followed by triphenylphosphine (4.8 mg, 0.02 mmol) and tetrakistriphenylphosphine palladium (7 mg, 0.01 mmol) and the resulting mixture was heated at 100° C. for 15 hours. The mixture was cooled to room temperature, concentrated in vacuo and purified directly by flash column chromatography (silica gel, 10% MeOH 90% dichloromethane) to afford the title compound as a yellow solid (47 mg, 33%).

Provenance & Evidence