trans,trans -1,4-Diphenylbuta-1,3-diene reacts with elemental (red) phosphorus in the superbasic KOH / DMSO (H 2 O) system (120 °C, 3 h) to give, after acidic work-up, 1,4-diphenylbutylphosphinic acid in 48% yield. Click to show full abstract
trans,trans -1,4-Diphenylbuta-1,3-diene reacts with elemental (red) phosphorus in the superbasic KOH / DMSO (H 2 O) system (120 °C, 3 h) to give, after acidic work-up, 1,4-diphenylbutylphosphinic acid in 48% yield.
               
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