Title of article :
Titanium Tetrachloride and Chiral Aliphatic Alcohol as a New Lewis Acid Assisted Chiral Br?nsted Acid for the Enantioselective Protonation of Silyl Enol Ether
Author/Authors :
Yamamoto، Hisashi نويسنده , , Nakashima، Daisuke نويسنده ,
Abstract :
A complex of TiCl4 and a chiral alcohol serves as highly reactive Lewis acid assisted chiral Br?nsted acid (chiral LBA) for the enantioselective protonation of silyl enol ethers. Interestingly, the enantioselectivity depends on the preparation conditions of chiral LBA.
Keywords :
Titanium , Alcohols , protonations , asymmetric synthesis
Journal title :
Astroparticle Physics
