Enantioselective direct fluorination and chlorination of cyclic β-ketoesters mediated by phase-transfer catalysts

Enantioselective direct fluorination and chlorination of cyclic β-ketoesters mediated by phase-transfer catalysts

Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Tetrahedron Letters - Volume 54, Issue 21, 22 May 2013, Pages 2623-2626

Jie Luo, Wenqin Wu, Li-Wen Xu, Yuezhong Meng, Yixin Lu,