1227294-10-1Relevant articles and documents
Organocatalytic asymmetric intramolecular [3+2] cycloaddition: A straightforward approach to access multiply substituted hexahydrochromeno[4,3-b] pyrrolidine derivatives in high optical purity
Li, Nan,Song, Jin,Tu, Xi-Feng,Liu, Bin,Chen, Xiao-Hua,Gong, Liu-Zhu
supporting information; experimental part, p. 2016 - 2019 (2010/07/04)
A chiral phosphoric acid-catalyzed intramolecular 1,3-dipolar cycloaddition of 4-(2-formylphenoxy)butenoates with amino esters provides hexahydromeno[4,3-b]pyrrolidine derivatives in high enantioselectivity (up to 94% ee).