HRID1599909
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
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 (2x)) gave 3-8 as a viscous gum. Rf 0.08 (silica, 9:0.5:0.5 ethanol/NH4OH/H2O).
WORKUP
后处理
- concentrationfollowed by concentration