HRID33031

反应详情

EQUATION

反应方程式

HRID 33031 的结构方程式

AUXILIARIES

试剂、催化剂与溶剂

4

PROCEDURE

实验过程

As for compound S1, from H7 (5.80 g, 7.73 mmol), CH2Cl2 (60 mL), 4M HCl/dioxane (60 mL), THF (50 mL), DMAP (47 mg, 0.384 mmol), DIPEA (5.29 mL, 31.7 mmol), acetyl chloride (0.604 mL, 8.08 mmol), and MeOH (5 mL). Purification of the residue by FC (EtOAc/heptane 1:1→EtOAc MeOH/EtOAc 1:9) led to the title compound (3.07 g, 69%). Rf=0.20 (EtOAc). LC-MS: Rt=4.80; ES+: 576.93.

WORKUP

后处理

  1. customPurification of the residue by FC (EtOAc/heptane 1:1→EtOAc MeOH/EtOAc 1:9)