Please use this identifier to cite or link to this item: https://idr.l3.nitk.ac.in/jspui/handle/123456789/13264
Title: Synthesis of hybrid polycycles containing fused hydroxy benzofuran and 1H-indazoles via a domino cyclization reaction
Authors: Janardhanan, J.C.
James, K.
Puthuvakkal, A.
Bhaskaran, R.P.
Suresh, C.H.
Praveen, V.K.
Manoj, N.
Babu, B.P.
Issue Date: 2019
Citation: New Journal of Chemistry, 2019, Vol.43, 25, pp.10166-10175
Abstract: A stoichiometry controlled domino cyclization reaction of hydrazone and p-benzoquinone to an angularly fused 3H-benzofuro[3,2-e]indazole core with an embedded oxygenated dibenzofuran framework under mild reaction conditions is disclosed. The reaction involves palladium catalyzed 5-hydroxy-1H-indazole formation followed by TFA mediated [3+2] annulation between the in situ formed 5-hydroxy-1H-indazole and p-benzoquinone. The developed method is attractive because of the concomitant formation of two heterocyclic rings with consecutive multiple bond forming events that include two C-C, one C-N and one C-O bonds. Spectroscopic and theoretical studies of the blue emissive benzofuroindazole derivatives have also been described. 2019 The Royal Society of Chemistry and the Centre National de la Recherche Scientifique.
URI: http://idr.nitk.ac.in/jspui/handle/123456789/13264
Appears in Collections:1. Journal Articles

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