Selective construction of dispiro[indoline-3,2'-quinoline-3',3''-indoline] and dispiro[indoline-3,2'-pyrrole-3',3''-indoline] via three-component reaction

Ziying Xiao, Fengshun Xu, Jing Sun and Chao-Guo Yan
Beilstein J. Org. Chem. 2023, 19, 1234–1242. https://doi.org/10.3762/bjoc.19.91
Structures extracted using BChemXtract (further structures may be extracted with future versions)