4-Methoxybenzyl (R,R,R)-α-Tocopheryl Ether置于silver Hexafluoroantimonate,1,3,5-三甲氧基苯体系中,用 二氯甲烷 作为反应溶剂,化学反应 6.0H,以93%的收率获得产物天然维生素e
参考文献:Silver(I)-Catalyzed Deprotection Of P-Methoxybenzyl Ethers: A Mild And Chemoselective Method
标题:Silver(I)-Catalyzed Deprotection Of P-Methoxybenzyl Ethers: A Mild And Chemoselective Method
摘要:The P-Methoxybenzyl Protecting Group (Pmb) On Various Alcohols And An Acid Was Efficiently And Selectively,Cleaved By The Action Of A Catalytic Amount Of Silver(I) Hexafluoroantimonate Combined With 0.5 Equiv Of 1,3,5-Trimethoxybenzene In Dichloromethane At 40 Degrees C.
DOI:10.1021/jo301787V