Organocatalytic asymmetric desymmetrization: efficient construction of spirocyclic oxindoles bearing a unique all-carbon quaternary stereogenic center via sulfa-Michael addition

Lu Yao, Kang Liu, Hai-Yan Tao, Guo-Fu Qiu, Xiang Zhou, Chun-Jiang Wang
  • Chemical Communications, January 2013, Royal Society of Chemistry
  • DOI: 10.1039/c3cc42587h