Palladium‐Catalyzed Synthesis of Tetrasubstituted Olefins by Triple Domino Process

An efficient, highly regio‐ and stereoselective protocol for the synthesis of tetrasubstituted olefins was developed to take place by a palladium(0)‐catalyzed triple domino process. It involves the formation of three new C−C bonds through double carbopalladation and C−H activation across 2‐bromoaryl...

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Veröffentlicht in:Advanced synthesis & catalysis 2017-07, Vol.359 (14), p.2407-2413
Hauptverfasser: Naveen, Kanagaraj, Nikson, Savariyappan Albert, Perumal, Paramasivan Thirumalai
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Nikson, Savariyappan Albert
Perumal, Paramasivan Thirumalai
description An efficient, highly regio‐ and stereoselective protocol for the synthesis of tetrasubstituted olefins was developed to take place by a palladium(0)‐catalyzed triple domino process. It involves the formation of three new C−C bonds through double carbopalladation and C−H activation across 2‐bromoaryl alkynyl biaryls/heteroaryls with norbornene. This method is practically simple with broad substrate scope and tolerates a wide range of substituents. The products bearing 9H‐pyrrolo[1,2‐a]indole motifs reveal intriguing solid state fluorescence properties and thus form a new class of aggregation induced emission (AIE) fluorophores.
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source Wiley Online Library Journals Frontfile Complete
subjects Agglomeration
Alkenes
carbopalladation
Chemical compounds
Chemical synthesis
C−H activation
domino reaction
Fluorescence
Palladium
palladium catalyst
Solid state
tetrasubstituted olefin
title Palladium‐Catalyzed Synthesis of Tetrasubstituted Olefins by Triple Domino Process
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