Yu Jie, He Long, Chen Xiao-Hua, Song Jin, Chen Wei-Jie, Gong Liu-Zhu
Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China.
Org Lett. 2009 Nov 5;11(21):4946-9. doi: 10.1021/ol9020964.
A bisphosphoric acid-catalyzed 1,3-dipolar cycloaddition of buta-2,3-dienoates with azomethine ylides yields 3-methylenepyrrolidine derivatives with excellent enantioselectivity (up to 97% ee).
双磷酸催化丁-2,3-二烯酸酯与甲亚胺叶立德的1,3-偶极环加成反应可生成对映选择性优异(高达97% ee)的3-亚甲基吡咯烷衍生物。