Triethyl phosphite → HCID 14949160, compound

Participants

Reaction Steps

To 91.0 g (0.467 mol) of 2-bromo-1H-indene and 3.02 g (0.023 mol) of NiCl2 in 250 ml flask equipped with a distillation head, 85.0 ml (82.4 g, 0.496 mol) of (EtO)3P were added. This black mixture was heated in the oil bath at 185–190° C. for 3 hours. During this procedure, argon gas was bubbled through the mixture to eliminate ethyl bromide formed. The crude product was distilled in vacuum (171–175° C./1 mm). Yield 102.4 g (87%) of colorless oil of diethyl 1H-inden-2-ylphosphonate, 9.

Provenance & Evidence