Cinchona alkaloid-based chiral catalysts act as highly efficient multifunctional organocatalysts for the asymmetric conjugate addition of malonates to nitroolefins-Reference-Cited by-同舟云学术

Cinchona alkaloid-based chiral catalysts act as highly efficient multifunctional organocatalysts for the asymmetric conjugate addition of malonates to nitroolefins

Published:2015 Issue:40 Volume:13 Page:10216-10225
ISSN:1477-0520
Container-title:Organic & Biomolecular Chemistry
language:en
Short-container-title:Org. Biomol. Chem.

Author:

Ashokkumar Veeramanoharan¹²³⁴⁵,Siva Ayyanar¹²³⁴⁵

Affiliation:

1. Department of Inorganic Chemistry

2. School of Chemistry

3. Madurai Kamaraj University

4. Madurai 625 021

5. India

Abstract

New pentaerythritol tetrabromide based chiral quaternary ammonium salts have been prepared and used as organocatalysts for enantioselective Michael addition reactions between various nitroolefins and Michael donors under mild reaction conditions with very good chemical yields and ee's.

Publisher

Royal Society of Chemistry (RSC)

Subject

Organic Chemistry,Physical and Theoretical Chemistry,Biochemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2015/OB/C5OB01351H

Reference72 articles.

1. A general overview of the organocatalytic intramolecular aza-Michael reaction

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4. A General, Scalable, Organocatalytic Nitro-Michael Addition to Enones: Enantioselective Access to All-Carbon Quaternary Stereocenters

5. Densely Substituted l-Proline Esters as Catalysts for Asymmetric Michael Additions of Ketones to Nitroalkenes

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