Stannane, tributyl(1-ethoxyethenyl)- → HCID 58190551, compound

Participants

Reaction Conditions

Reaction Steps

A mixture of 6-(1-(6-chloro-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)ethyl)-7-fluoroquinoline (100 mg, 0.305 mmol), PdCl2(PPh3)2 (21.4 mg, 0.031 mmol) and tributyl(1-ethoxyvinyl)stannane (220 mg, 0.61 mmol) in 5 mL of 1,4-dioxane was heated at 90° C. for 5 h under nitrogen. The reaction mixture was diluted with EtOAc and washed with water. The organic layer was dried over Na2SO4, filtered and concentrated in vacuo. The residue was dissolved in HOAc and 3 N HCl, and stirred at rt for 3 h. The solvent was removed under reduced pressure and the residue was dissolved in DCM, washed with saturated aqueous NaHCO3 and brine. The organic layer was dried over Na2SO4, filtered and concentrated in vacuo. The residue was purified by flash chromatography on silica gel eluting with EtOAc/MeOH gradient to afford the title compound as a yellow solid. 1H-NMR (400 MHz, CDCl3) δ ppm 8.87 (d, 1H), 8.16 (d, 1H), 8.03 (d, 1H), 7.80 (d, 1H), 7.73 (d, 2H), 34 (dd, 1H), 5.39 (q, 1H), 2.62 (s, 3H), 2.09 (d, 3H). LCMS (method A): [MH]+=336, tR=4.95 min.

Provenance & Evidence