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Enantioselective construction of 2,5-dihydropyrrole skeleton with quaternary stereogenic center via catalytic asymmetric 1,3-dipolar cycloaddition involving α-arylglycine esters.
MedLine Citation:
PMID:  23344919     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A catalytic asymmetric construction of synthetically and biologically important 2,5-dihydropyrrole scaffolds with concomitant creation of multiple chiral carbon centers including one quaternary stereogenic center in high yields (up to 99%) and excellent enantioselectivities (up to 99% ee) has been established via an organocatalytic 1,3-dipolar cycloaddition using α-arylglycine esters as azomethine precursors. Moreover, a detailed investigation has been performed on the catalytic asymmetric 1,3-dipolar cycloadditions of α-arylglycine ester-generated azomethine ylides with alkynes, providing an efficient way to simultaneously access both 2,5-dihydropyrrole diastereomers in good enantioselectivities.
Authors:
Feng Shi; Gui-Juan Xing; Wei Tan; Ren-Yi Zhu; Shujiang Tu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-24
Journal Detail:
Title:  Organic & biomolecular chemistry     Volume:  -     ISSN:  1477-0539     ISO Abbreviation:  Org. Biomol. Chem.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101154995     Medline TA:  Org Biomol Chem     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
School of Chemistry and Chemical Engineering, Jiangsu Normal University, Xuzhou, 221116, China. fshi@jsnu.edu.cn laotu@jsnu.edu.cn.
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