Issue 88, 2018
From the journal:

Chemical Communications

Synthesis of symmetrical and unsymmetrical triarylpyrylium ions via an inverse electron demand Diels–Alder reaction†

C. T. Fathimath Salfeena,ab   Basavaraja,ab   K. T. Ashitha,ab   V. Praveen Kumar,ab   Sunil Varughese,ab   Cherumuttathu H. Suresh ORCID logo ab  and  B. S. Sasidhar ORCID logo *ab  

* Corresponding authors

a Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (NIIST), Thiruvananthapuram – 695 019, India
E-mail: drsasidharbs@niist.res.in

b Academy of Scientific and Innovative Research (AcSIR), CSIR-NIIST campus, Thiruvananthapuram 695 019, India

Abstract

BF3·OEt2 mediated inverse electron demand Diels–Alder (IEDDA) reaction of chalcones with aryl acetylenes is reported for the synthesis of symmetrical and unsymmetrical 2,4,6-triarylpyrylium ions. The protocol provides an effective one-pot method for the utilization of readily available simple substrates under mild reaction conditions leading to a diverse array of pyrylium ions in moderately good yield.

Graphical abstract: Synthesis of symmetrical and unsymmetrical triarylpyrylium ions via an inverse electron demand Diels–Alder reaction

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Article information

DOI
https://doi.org/10.1039/C8CC06444J
Article type
Communication
Submitted
07 Aug 2018
Accepted
11 Oct 2018
First published
11 Oct 2018

Chem. Commun., 2018,54, 12463-12466

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Synthesis of symmetrical and unsymmetrical triarylpyrylium ions via an inverse electron demand Diels–Alder reaction

C. T. Fathimath Salfeena, Basavaraja, K. T. Ashitha, V. P. Kumar, S. Varughese, C. H. Suresh and B. S. Sasidhar, Chem. Commun., 2018, 54, 12463 DOI: 10.1039/C8CC06444J

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