The Hexameric Resorcinarene Capsule as a Brønsted Acid Catalyst for the Synthesis of Bis(heteroaryl)methanes in a Nanoconfined Space.
Abstract
Herein, we show that the hexameric resorcinarene capsule is able to catalyze the formation of bis(heteroaryl)methanes by reaction between pyrroles or indoles and carbonyl compounds (α-ketoesters or aldehydes) in excellent yields and selectivity. Our results suggest that the capsule can play a double catalytic role as a H-bond catalyst, for the initial activation of the carbonyl substrate, and as a Brønsted acid catalyst, for the dehydration of the intermediate alcohol.
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76704
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0x95644003c57E6F55A65596E3D9Eac6813e3566dA
Article ID:
76704
Unique Identifier:
10.3389/fchem.2019.00687
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Scimatic Chain (ID: 481)
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