Styrene → Stilbene

Participants

Reaction Steps

A solution of iodobenzene (1 mmol), of styrene (1.5 mmol), of PdBr2 or PdSO4 (10 mol %) and of triethylamine (2 mmol) in N,N′-butylmethylimidazolium methyl H-phosphonate (2 g) is brought to 110° C. for 5 hrs. The formed trans-stilbene is extracted with ether (3×10 mL), the structure of which is confirmed by 1H NMR. (yield=100%).

Provenance & Evidence