%0 Generic %A Li, Tuan-Jie %A Liu, Zhong-Qiu %A Yin, Hong-Mei %A Yao, Chang-Sheng %A Jiang, Bo %A Wang, Xiang-Shan %A Tu, Shu-Jiang %A Li, Xiu-Ling %A Li, Guigen %D 2013 %T Metal-Free [3 + 2 + 1]/[2 + 2 + 1] Biscyclization: Stereospecific Construction with Concomitant Functionalization of Indolizin-5(1H)‑one %U https://acs.figshare.com/articles/dataset/Metal_Free_3_2_1_2_2_1_Biscyclization_Stereospecific_Construction_with_Concomitant_Functionalization_of_Indolizin_5_1_i_H_i_one/2352700 %R 10.1021/jo401969g.s002 %2 https://acs.figshare.com/ndownloader/files/3991204 %K quaternary carbon center %K Indolizin %K indolizin %K Stereospecific Construction %K Biscyclization %K strategy %K stereocenter %K transformation %K stereospecific construction %K material %K biscyclization %K σ bonds %K Concomitant Functionalization %K derivation %X A metal-free [3 + 2 + 1]/[2 + 2 + 1] biscyclization strategy has been developed for the stereospecific construction with concomitant derivation of biologically significant indolizin-5­(1H)-ones from simple and commercial starting materials. The transformations are notable because they can yield five new σ bonds and six stereocenters including a quaternary carbon center in a single operation. %I ACS Publications