$$\hbox {FeCl}_{3}$$ FeCl 3 -catalyzed $$[3{+}3]$$ [ 3 + 3 ] annulation between 3-oxirane-indolin-2-ones and nitrones to construct spiro[1,4,2-dioxazinan]oxindoles
Crossref DOI link: https://doi.org/10.1007/s11030-017-9741-z
Published Online: 2017-04-24
Published Print: 2017-08
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Yu, Jingmiao
Cai, Chun
License valid from 2017-04-24