Highly Enantioselective Organocatalytic Biginelli and Biginelli-Like Condensations: Reversal of the Stereochemistry by Tuning the 3,3′-Disubstituents of Phosphoric Acids
作者:Nan Li、Xiao-Hua Chen、Jin Song、Shi-Wei Luo、Wu Fan、Liu-Zhu Gong
DOI:10.1021/ja905320q
日期:2009.10.28
and Biginelli-likereactions by chiral phosphoric acids derived from 3,3'-disubstituted binaphthols have been investigated. The size of 3,3'-substituents of the catalysts is able to control the stereochemistry of the Biginelli reaction. By tuning the 3,3'-disubstituents of the phosphoric acids, the stereochemistry of the Biginelli reaction can be reversed. This organocatalytic Biginelli reaction by