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Letters in Organic Chemistry

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ISSN (Print): 1570-1786
ISSN (Online): 1875-6255

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Letter Article

β-CD/Lewis Acid Dual Catalytic System for Efficient Synthesis of Pyranopyrazoles in Aqueous Environment

Author(s): Aaftaab Sethi and Mallika Alvala*

Volume 20, Issue 7, 2023

Published on: 17 January, 2023

Page: [585 - 595] Pages: 11

DOI: 10.2174/1570178620666221122121021

Price: $65

Abstract

A series of pyranopyrazoles were synthesized via a one-pot four-component approach. The reaction was catalyzed by a β-CD/Yb(OTf)3 dual catalytic system. The protocol demonstrated offers several advantages such as short reaction times, excellent yields, good functional group tolerance, ambient and environmentally benign conditions, scalability and simple purification. Such dual catalytic systems are an attractive alternative to regular catalysts and can be further explored for a diverse set of reactions.

Keywords: Pyranopyrazoles, green chemistry, multicomponent reactions, dual catalyst, β-CD, catalysis.

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