Triphenylphosphine → HCID 86683128, compound

Participants

Reaction Conditions

Reaction Steps

To a mixture of 3-bromothieno[2,3-d]pyridazin-4(5H)-one (100 mg, 0.433 mmol) from Example 3.3 and triphenylphosphine (227 mg, 0.866 mmol) in THF (2 mL) was added (E)-diethyl diazene-1,2-dicarboxylate (151 mg, 0.866 mmol) dropwise at 0° C. After the addition, the mixture was stirred for 1 h at 0° C. Then 2-(thieno[3,2-b]pyridin-5-yl)ethanol from Example a3 (78 mg, 0.433 mmol) in THF (1 mL) was added dropwise. The mixture was stirred at room temperature overnight. The solution was filtered to obtain the title compound (80 mg, yield 47.1%).

Provenance & Evidence