NDLI: Acid-Base Dual-Functional Catalysis by Axially Chiral Guanidine in Enantioselective [3+2] Cycloaddition of Maleate to Schiff Bases as a Precursor of Azomethine Ylides

Content Provider	Scilit
Author	Terada, Masahiro Nakano, Megumi
Copyright Year	2009
Description	The enantioselective [3+2] cycloaddition reaction of dimethyl maleate with Schiff bases as the precursor of azomethine ylide was developed using axially chiral guanidine catalysts to provide optically active pyrrolidine derivatives. Acid-base dual-functional catalysis by an axially chiral guanidine through double hydrogen-bonding interaction is proposed to give the cycloaddition products in good yields.
Related Links	http://www.thieme-connect.de/products/ejournals/pdf/10.1055/s-0029-1217345.pdf
Ending Page	1674
Page Count	5
Starting Page	1670
ISSN	09365214
e-ISSN	14372096
DOI	10.1055/s-0029-1217345
Journal	Synlett
Issue Number	10
Volume Number	2009
Language	English
Publisher	Georg Thieme Verlag KG
Publisher Date	2009-06-02
Access Restriction	Open
Subject Keyword	Organic Chemistry Asymmetric Catalysis Stereoselectivity
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry

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Acid-Base Dual-Functional Catalysis by Axially Chiral Guanidine in Enantioselective [3+2] Cycloaddition of Maleate to Schiff Bases as a Precursor of Azomethine Ylides