HRID1990101

反应详情

EQUATION

反应方程式

HRID 1990101 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

2

PROCEDURE

实验过程

Combine 4-cyano-3-(4-iodo-phenyl)-5-methylsulfanyl-thiophene-2-carboxylic acid ethyl ester (0.1 g, 1.0 eq) in THF (5.0 mL) and stir. Add Pd(PPh3)4 (1%), tributyl-vinyl-stannane (0.9 eq) and LiCl. Reflux the mixture overnight. Concentrate to dryness. Wash with hexane to remove excess of stannane. Add water and filter the precipitate to provide the title compound (0.04 g, Yield 38%). MS (ES+, m/e): 330 (M+1).

WORKUP

后处理

  1. temperatureReflux the mixture overnight
  2. concentrationConcentrate to dryness
  3. washWash with hexane
  4. customto remove excess of stannane
  5. filtrationAdd water and filter the precipitate