HRID991157
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 mixture of 4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-2,3,6-tri-O-acetyl-β-D-glucopyranosyl amine (157 mg, 0.24 mmol) and 2-acetyldimedone (81 mg, 0.45 mmol) in MeOH (5 ml) was refluxed for 5 h. The reaction mixture was evaporated, and the residue was purified by chromatography using CHCl3/EtOAc 1:1 as the mobile phase, to give 4-O-(2,3,4,6-tetra-O-acetyl-α-D-galactopyranosyl)-2,3,6-tri-O-acetyl-N-[1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl]-β-D-glucopyranosyl amine (27) (106 mg, 54%).
WORKUP
后处理
- temperaturewas refluxed for 5 h
- customThe reaction mixture was evaporated
- customthe residue was purified by chromatography