Synthesis and Photophysical Properties of C3-Symmetric Star-Shaped Molecules Containing Heterocycles Such as Furan, Thiophene, and Oxazole

We report simple strategies to synthesize star-shaped molecules containing different heterocycles integrated with a number of variations. Here, cyclotrimerization, Vilsmeier–Haack reaction, Suzuki–Miyaura cross-coupling, and Van Leusen oxazole synthesis have been used as key steps to introduce diver...

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Bibliographic Details
Published in:ACS omega 2017-10, Vol.2 (10), p.6291-6297
Main Authors: Kotha, Sambasivarao, Todeti, Saidulu, Gopal, M. Bala, Datta, Anindya
Format: Article
Language:English
Online Access:Get full text
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Summary:We report simple strategies to synthesize star-shaped molecules containing different heterocycles integrated with a number of variations. Here, cyclotrimerization, Vilsmeier–Haack reaction, Suzuki–Miyaura cross-coupling, and Van Leusen oxazole synthesis have been used as key steps to introduce diverse five-membered heterocycles such as furan, thiophene, and oxazole. More importantly, readily available starting materials such as thiophene, 2-formyl furan, and 2-acetyl furan were utilized. Also, the fluorescent behavior of these π-conjugated systems was studied. C 3 -Symmetric molecules containing furan moieties show a stronger fluorescence than thiophene-containing star-shaped compounds.
ISSN:2470-1343
DOI:10.1021/acsomega.7b00941