Practical, environment-benign and atom economic KOAc-catalysed deprotection of aryl TIPS ethers under mild fluoride-free conditions
作者:Bing Wang、Hui-Xia Sun、Bo Chen、Zhi-Hua Sun
DOI:10.1039/b905443j
日期:——
A KOAc-catalysed, fluoride-free protocol not only effects chemoselective deprotection of phenolic TIPS ethers without affecting acetal, ketal, carbamate, O-acetyl and aliphatic silyl ethers, but also improves its atom economy by recycling the silanol byproduct.
一种以KOAc为催化剂、无
氟的反应程序,不仅能够
化学选择性地去保护苯醇
TIPS醚,而不影响
缩醛、
缩酮、
氨基甲酸酯、O-乙酰基和脂肪族
硅醚,还通过回收
硅醇副产物改善了其原子经济性。