Literature DB >> 12952444

A new copper-catalyzed [3 + 2] cycloaddition: enantioselective coupling of terminal alkynes with azomethine imines to generate five-membered nitrogen heterocycles.

Ryo Shintani1, Gregory C Fu.   

Abstract

A copper-catalyzed method for the regioselective 1,3-dipolar cycloaddition of azomethine imines to terminal alkynes has been developed. Through the use of a chiral phosphaferrocene-oxazoline ligand, a wide range of substrates can be coupled to generate useful heterocycles in very good enantiomeric excess.

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Year:  2003        PMID： 12952444     DOI： 10.1021/ja036922u

Source DB:  PubMed          Journal:  J Am Chem Soc        ISSN： 0002-7863            Impact factor:   15.419


  18 in total

1.  Discovering New Reactions with N-Heterocyclic Carbene Catalysis.

Authors:  Eric M Phillips; Audrey Chan; Karl A Scheidt
Journal:  Aldrichimica Acta       Date:  2009       Impact factor: 3.667

2.  Highly stereoselective formal [3 + 3] cycloaddition of enals and azomethine imines catalyzed by N-heterocyclic carbenes.

Authors:  Audrey Chan; Karl A Scheidt
Journal:  J Am Chem Soc       Date:  2007-04-04       Impact factor: 15.419

3.  Phosphine-catalyzed annulations of azomethine imines: allene-dependent [3 + 2], [3 + 3], [4 + 3], and [3 + 2 + 3] pathways.

Authors:  Risong Na; Chengfeng Jing; Qihai Xu; Hui Jiang; Xi Wu; Jiayan Shi; Jiangchun Zhong; Min Wang; Diego Benitez; Ekaterina Tkatchouk; William A Goddard; Hongchao Guo; Ohyun Kwon
Journal:  J Am Chem Soc       Date:  2011-08-03       Impact factor: 15.419

4.  Highly enantioselective dearomatizing formal [3+3] cycloaddition reactions of N-acyliminopyridinium ylides with electrophilic enol carbene intermediates.

Authors:  Xinfang Xu; Peter Y Zavalij; Michael P Doyle
Journal:  Angew Chem Int Ed Engl       Date:  2013-10-02       Impact factor: 15.336

5.  Alkaloid-Catalyzed Enantioselective [3 + 2] Cycloaddition of Ketenes and Azomethine Imines.

Authors:  Mukulesh Mondal; Kraig A Wheeler; Nessan J Kerrigan
Journal:  Org Lett       Date:  2016-08-08       Impact factor: 6.005

6.  Phosphine-Catalyzed [3+2] and [4+3]Annulation Reactions of C,N-Cyclic Azomethine Imines with Allenoates.

Authors:  Chengfeng Jing; Risong Na; Bo Wang; Honglei Liu; Lei Zhang; Jun Liu; Min Wang; Jiangchun Zhong; Ohyun Kwon; Hongchao Guo
Journal:  Adv Synth Catal       Date:  2012-04-26       Impact factor: 5.837

7.  Gold(I)-catalyzed enantioselective synthesis of pyrazolidines, isoxazolidines, and tetrahydrooxazines.

Authors:  R L Lalonde; Z J Wang; M Mba; A D Lackner; F Dean Toste
Journal:  Angew Chem Int Ed Engl       Date:  2010       Impact factor: 15.336

8.  Dirhodium(II)-catalyzed formal [3+2+1]-annulation of azomethine imines with two molecules of a diazo ketone.

Authors:  Xinfang Xu; Xichen Xu; Peter Y Zavalij; Michael P Doyle
Journal:  Chem Commun (Camb)       Date:  2013-04-07       Impact factor: 6.222

9.  Highly selective catalyst-dependent competitive 1,2-C→C, -O→C, and -N→C migrations from β-methylene-β-silyloxy-β-amido-α-diazoacetates.

Authors:  Xichen Xu; Yu Qian; Peter Y Zavalij; Michael P Doyle
Journal:  J Am Chem Soc       Date:  2013-01-17       Impact factor: 15.419

10.  Bicyclic pyrazolidinone derivatives from diastereoselective catalytic [3 + 3]-cycloaddition reactions of enoldiazoacetates with azomethine imines.

Authors:  Yu Qian; Peter J Zavalij; Wenhao Hu; Michael P Doyle
Journal:  Org Lett       Date:  2013-03-11       Impact factor: 6.005
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