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Synthesis of blue-red emissive amido substituted di(het)aryl and tri(het)aryl amine derivatives via chemoselective N-mono and N, N-diarylation of (het) aryl amino amides using benzyne/arynes

Abstract

Chemoselective N-mono and N, N-diarylation of aryl/hetaryl amino amide reaction using benzyne or arynes afforded amide substituted triaryl amine derivative and diaryl amine derivatives. Scope and limitation of the research work has been studied. The products thus obtained were synthetically transformed to highly functionalized biphenyl bridged heterocycles via Suzuki coupling and condensation with 4,4’-biphenyl dialdehyde. Evaluation of photophysical properties revealed that the triaryl amine derivatives are blue emmisive with high quantum yields while heterocyclic triaryl amine derivatives are blue-red emmisive. The benzofuran derived compound 4i found as blue emissive with high quantum yiled whereas pyridine derived compound 5j found as red emissive with low quantum yield.

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Publication details

The article was received on 16 Nov 2018, accepted on 04 Jan 2019 and first published on 10 Jan 2019


Article type: Paper
DOI: 10.1039/C8NJ05823G
Citation: New J. Chem., 2019, Accepted Manuscript
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    Synthesis of blue-red emissive amido substituted di(het)aryl and tri(het)aryl amine derivatives via chemoselective N-mono and N, N-diarylation of (het) aryl amino amides using benzyne/arynes

    R. S. Meerakrishna and P. SHANMUGAM, New J. Chem., 2019, Accepted Manuscript , DOI: 10.1039/C8NJ05823G

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