Literature DB >> 17914823

Phosphine-catalyzed [4 + 2] annulation: synthesis of cyclohexenes.

Yang S Tran1, Ohyun Kwon.   

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Year:  2007        PMID： 17914823      PMCID： PMC2586001          DOI： 10.1021/ja0752181

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


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  25 in total

1.  Intramolecular organocatalytic [3+2] dipolar cycloaddition: stereospecific cycloaddition and the total synthesis of (+/-)-hirsutene.

Authors:  Jian-Cheng Wang; Michael J Krische
Journal:  Angew Chem Int Ed Engl       Date:  2003       Impact factor: 15.336

Review 2.  Recent advances in natural product synthesis by using intramolecular Diels-Alder reactions.

Authors:  Ken-Ichi Takao; Ryosuke Munakata; Kin-ichi Tadano
Journal:  Chem Rev       Date:  2005-12       Impact factor: 60.622

3.  Control of four stereocentres in a triple cascade organocatalytic reaction.

Authors:  Dieter Enders; Matthias R M Hüttl; Christoph Grondal; Gerhard Raabe
Journal:  Nature       Date:  2006-06-15       Impact factor: 49.962

4.  Small-molecule inhibitors of protein geranylgeranyltransferase type I.

Authors:  Sabrina Castellano; Hannah D G Fiji; Sape S Kinderman; Masaru Watanabe; Pablo de Leon; Fuyuhiko Tamanoi; Ohyun Kwon
Journal:  J Am Chem Soc       Date:  2007-04-17       Impact factor: 15.419

5.  Phosphine-catalyzed cycloadditions of allenic ketones: new substrates for nucleophilic catalysis.

Authors:  Debra J Wallace; Rachel L Sidda; Robert A Reamer
Journal:  J Org Chem       Date:  2007-02-02       Impact factor: 4.354

6.  Reactions of electron-deficient alkynes and allenes under phosphine catalysis.

Authors:  X Lu; C Zhang; Z Xu
Journal:  Acc Chem Res       Date:  2001-07       Impact factor: 22.384

7.  Synthesis of carbocyclic hydantocidins via regioselective and diastereoselective phosphine-catalyzed [3 + 2]-cycloadditions to 5-methylenehydantoins.

Authors:  Tien Q Pham; Stephen G Pyne; Brian W Skelton; Allan H White
Journal:  J Org Chem       Date:  2005-08-05       Impact factor: 4.354

8.  Indole diterpenoid synthetic studies. The total synthesis of (+)-nodulisporic acid F.

Authors:  Amos B Smith; Akin H Davulcu; Laszló Kürti
Journal:  Org Lett       Date:  2006-04-13       Impact factor: 6.005

9.  Organocatalytic Michael cycloisomerization of bis(enones): the intramolecular Rauhut-Currier reaction.

Authors:  Long-Cheng Wang; Ana Liza Luis; Kyriacos Agapiou; Hye-Young Jang; Michael J Krische
Journal:  J Am Chem Soc       Date:  2002-03-20       Impact factor: 15.419

10.  A phosphine-catalyzed [3+2] cycloaddition strategy leading to the first total synthesis of (-)-hinesol.

Authors:  Yishu Du; Xiyan Lu
Journal:  J Org Chem       Date:  2003-08-08       Impact factor: 4.354
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  36 in total

1.  Phosphine-initiated general base catalysis: facile access to benzannulated 1,3-diheteroatom five-membered rings via double-Michael reactions of allenes.

Authors:  Judy Szeto; Vardhineedi Sriramurthy; Ohyun Kwon
Journal:  Org Lett       Date:  2011-09-20       Impact factor: 6.005

2.  Phosphine-catalyzed β'-umpolung addition of nucleophiles to activated α-alkyl allenes.

Authors:  Tioga J Martin; Venus G Vakhshori; Yang S Tran; Ohyun Kwon
Journal:  Org Lett       Date:  2011-04-14       Impact factor: 6.005

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.  Equilibrium between a vinylogous ylide and a phosphonium dienolate zwitterion: vinylogous Wittig olefination versus vinylogous aldol-type reaction.

Authors:  San N Khong; Yang S Tran; Ohyun Kwon
Journal:  Tetrahedron       Date:  2010-06       Impact factor: 2.457

5.  Phosphine-catalyzed [4+2] annulations of 2-alkylallenoates and olefins: synthesis of multisubstituted cyclohexenes.

Authors:  Yang S Tran; Tioga J Martin; Ohyun Kwon
Journal:  Chem Asian J       Date:  2011-07-07

6.  Chiral aminophosphines derived from hydroxyproline and their application in allene-imine [4 + 2] annulation.

Authors:  San N Khong; Changmin Xie; Xinyi Wang; Hao Tan; Ohyun Kwon
Journal:  J Antibiot (Tokyo)       Date:  2019-04-02       Impact factor: 2.649

7.  A torquoselective 6π electrocyclization approach to reserpine alkaloids.

Authors:  Gregg A Barcan; Ashay Patel; K N Houk; Ohyun Kwon
Journal:  Org Lett       Date:  2012-10-05       Impact factor: 6.005

8.  PHOSPHINE-CATALYZED [3 + 2] ANNULATION: SYNTHESIS OF ETHYL 5-(tert-BUTYL)-2-PHENYL-1-TOSYL-3-PYRROLINE-3-CARBOXYLATE.

Authors:  Ian P Andrews; Ohyun Kwon
Journal:  Organic Synth       Date:  2012

9.  Theory-Guided Design of Brønsted Acid-Assisted Phosphine Catalysis: Synthesis of Dihydropyrones from Aldehydes and Allenoates.

Authors:  Gardner S Creech; Xue-Feng Zhu; Branden Fonovic; Travis Dudding; Ohyun Kwon
Journal:  Tetrahedron       Date:  2008-07-14       Impact factor: 2.457

10.  Anion-catalyzed addition of gamma-silylallenyl esters to aldehydes: a new entry into [3.2.1] bicyclic natural products.

Authors:  Pradip Maity; Salvatore D Lepore
Journal:  J Am Chem Soc       Date:  2009-04-01       Impact factor: 15.419
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