反应详情

In 50 ml of acetonitrile were dissolved 4.91 g (10 mmol) of 2-methoxycarbonylbenzyltriphenylphosphonium bromide and 1.77 g (13 mmol) of 4-methoxybenzaldehyde, and 2.48 g (20 mmol) of 1,5-diazabicyclo[4.3.0]-5-nonene was added to the solution and the mixture was refluxed for 5 hours.

1. additionwas added to the solution
2. temperaturethe mixture was refluxed for 5 hours