HRID1443443

反应详情

EQUATION

反应方程式

HRID 1443443 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

2

PROCEDURE

实验过程

Compound 59 was kept in 30% trifluoroacetic acid in dichloromethane and 1% MeOH for 2 hrs before it was concentrated to dryness. The residue was re-dissolved in dichloromethane and during stirring 1N NaOH was added to pH 10-11. The organic layer was separated and concentrated which gave 1.6 g of the title compound. HPLC purity ca. 90% (M+H)+ 269.1.

WORKUP

后处理

  1. concentration1% MeOH for 2 hrs before it was concentrated to dryness
  2. dissolutionThe residue was re-dissolved in dichloromethane
  3. additionwas added to pH 10-11
  4. customThe organic layer was separated
  5. concentrationconcentrated which