Synthesis of Indenopyridine Derivatives via MgI 2 ‐Promoted [2+4] Cycloaddition Reaction of In‐situ Generated 2‐Styrylmalonate from Donor‐Acceptor Cyclopropanes and Chalconimines

An unexpected MgI 2 ‐promoted [2+4] cycloaddition reaction of in‐situ generated 2‐styrylmalonate from donor‐acceptor cyclopropanes with chalconimines to synthesize highly substituted indenopyridine derivatives under the mild reaction conditions have been developed. Additionally, these derivatives we...

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Published in:Advanced synthesis & catalysis 2018-10, Vol.360 (19), p.3687-3692
Main Authors: Verma, Kamal, Banerjee, Prabal
Format: Article
Language:English
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Summary:An unexpected MgI 2 ‐promoted [2+4] cycloaddition reaction of in‐situ generated 2‐styrylmalonate from donor‐acceptor cyclopropanes with chalconimines to synthesize highly substituted indenopyridine derivatives under the mild reaction conditions have been developed. Additionally, these derivatives were utilized for the synthesis of highly substituted 9‐membered lactam by oxidative C=C bond cleavage and spiro[oxoindane‐pyrrolidine] derivative via Meinwald type rearrangement. magnified image
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.201800598