Rhodium(III)-Catalyzed Annulation of 4-Phenylquinazolines with internal Alkynes via Dual C−H Bond Functionalization

Mitra, Shrutarshi and Sharada, D S (2019) Rhodium(III)-Catalyzed Annulation of 4-Phenylquinazolines with internal Alkynes via Dual C−H Bond Functionalization. Masters thesis, Indian institute of technology Hyderabad.

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Abstract

Rh(III)-catalyzed C−H bond annulation with alkynes has excogitated into a potent method for the preparation of highly substituted polycyclic aromatic and heteroaromatic compounds. Here Rh(III)-catalyzed annulation of 4-phenyl quinazolines with internal alkynes via dual C−H bond activation has been explored. The synthetic procedure has the advantages of high eﬃciency and functional group tolerance, excellent regioselectivity and broad substrate scope under mild conditions and some of the resulting products exhibit intense fluorescence in the solution state. Such structural motifs may important precursors for further transformations into biologically active compounds & π-conjugated functional materials such as organic semiconductors and luminescent materials which have broad prospect in future life.

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