Nitrogen Bound Polymers as Heterogeneous Basic Catalysts for Diastereoselective Henry Reaction in Aqueous Medium

ISSN: 2213-3380 (Online)
ISSN: 2213-3372 (Print)


Volume 1, 2 Issues, 2014






Current Organocatalysis

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Editor-in-Chief:
Bimal K. Banik
Department of Chemistry
College of Science & Mathematics
The University of Texas-Pan American
1201 West University Drive
Edinburg, Texas 78539
USA


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Nitrogen Bound Polymers as Heterogeneous Basic Catalysts for Diastereoselective Henry Reaction in Aqueous Medium

Author(s): Parishmita Sarma, Pinky Gogoi and Ruli Borah

Affiliation: Department of Chemical Sciences, Tezpur University (A Central University), Napaam, Tezpur 784028, Assam, India.

Abstract

Poly(4-vinylpyridine) (P4VP) has been found as an efficient recyclable heterogeneous Lewis base catalyst for the diastereoselective synthesis of syn-2-nitroalkanols in aqueous medium. The 1H NMR and 13C NMR spectra of 2- nitroalkanols are utilized for determining the ratios of syn/anti stereoisomers. This protocol provides a simple greener path for the synthesis of 2-nitroalcohols in aqueous medium at ambient condition with high yields.




Keywords: Aqueous medium, ambient temperature, cyclic transition state mechanism, diastereoselective, environmentally benign, heterogeneous catalyst, Henry reaction, high yields, syn-2-Nitroalkanols, Poly-4-vinylpyridine, reusable catalyst.

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Article Details

Volume: 1
Issue Number: 1
First Page: 40
Last Page: 44
Page Count: 5
DOI: 10.2174/221333720101140529112354
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