反应详情

A mixture of 75 g of N-methoxy-3-bromo-2-pyrrolidone, 105 g of triphenylphosphine and 700 ml of tetrahydrofuran was heated and refluxed for 24 hours. After cooled, the resulting precipitates were taken with filtration and washed with tetrahydrofuran. Dried, 54 g of the title compound 5 was obtained.

1. temperaturewas heated
2. temperaturerefluxed for 24 hours
3. temperatureAfter cooled
4. customthe resulting precipitates
5. filtrationwere taken with filtration
6. washwashed with tetrahydrofuran
7. customDried