Improved One-pot Synthesis of 4,6-Dihydroxyisophthalic Acid and 2,3-Dihydroxyterephthalic Acid

• 作 者: Guang Dong LEI Li Xin LI Zhi Y
• 机 构: CollegeofChemistry,DepartmentofChemistryandLifeScience
• 出 处: 中国化学快报：英文版
• 发表日期: 2005年8期
• 关键词: 4 6-羟酸 2 3-羟酸 层离法 净化工艺 合成方法 One-pot large-scale 4 6-dihydroxyisophthalic acid
• 基金项目: 中国科学院资助项目

An improved method for the large-scale preparation of 4,6-dihydroxyisophthalic acid and 2,3-dihydroxyterephthalic acid has been developed. Compared to the previous procedures,this new process requires much lower CO2 pressure of 0.3 Mpa and shorter reactio