HRID583655

反应详情

EQUATION

反应方程式

HRID 583655 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

1

PROCEDURE

实验过程

A solution of 3-7 (252 mg, 0.42 mmol), TFA (3 mL) and CH2Cl2 (10 mL) was stirred at ambient temperature for 3 h, followed by concentration. Flash chromatography (silica, 9:0.5:0.5 ethanol/NH4OH/H2O (2×)) gave 3-8 as a viscous gum. Rf 0.08 (silica, 9:0.5:0.5 ethanol/NH4OH/H2O).

WORKUP

后处理

  1. concentrationfollowed by concentration