Photoinduced cascade of two 6π-electron six- and five-center electrocyclizations in aromatic azido imines is oxidatively controlled to yield complex fused benzimidazoles or indazoles. Formation of benzimidazoles occurs via an unprecedented carbon-to-nitrogen -iminoaryl 1,2-shift.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1021/acs.orglett.4c00361 | DOI Listing |
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!