Bifunctional cinchona alkaloids-catalyzed asymmetric [4+2] cycloaddition reaction of β,γ-unsaturated α-keto esters with oxazolones

Bifunctional cinchona alkaloids-catalyzed asymmetric [4+2] cycloaddition reaction of β,γ-unsaturated α-keto esters with oxazolones

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron - Volume 67, Issue 19, 13 May 2011, Pages 3337-3342

Yin Ying, Zhuo Chai, Hai-Feng Wang, Peng Li, Chang-Wu Zheng, Gang Zhao, Yue-Peng Cai,