Enantioselective synthesis of 7H-pyrano[2,3-d]thiazoles via squaramide-catalyzed [2+4] annulation of malononitrile and 5-ylidenethiazol-4-ones

Enantioselective synthesis of 7H-pyrano[2,3-d]thiazoles via squaramide-catalyzed [2+4] annulation of malononitrile and 5-ylidenethiazol-4-ones

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron: Asymmetry - Volume 27, Issues 20–21, 15 November 2016, Pages 1056-1061

Lei Cui, Youming Wang, Zhenghong Zhou,