Hydrogen bonding mediated enantioselective organocatalysis in brine: significant rate acceleration and enhanced stereoselectivity in enantioselective Michael addition reactions of 1,3-dicarbonyls to β-nitroolefins
作者:Han Yong Bae、Surajit Some、Joong Suk Oh、Yong Seop Lee、Choong Eui Song
DOI:10.1039/c1cc13637b
日期:——
Brine provides remarkable rateacceleration and a higher level of stereoselectivity over organic solvents, due to the hydrophobic hydration effect, in the enantioselectiveMichael addition reactions of 1,3-dicarbonyls to beta-nitroolefins using chiral H-donors as organocatalysts.