Literature DB >> 19234755

KSF: an efficient catalyst for the regioselective synthesis of 1,5-diaryl pyrazoles using Baylis-Hillman adducts.

Mohammad Nikpassand1, Manouchehr Mamaghani, Khalil Tabatabaeian, Maryam Kupaei Abiazi.   

Abstract

A facile and convenient protocol was developed for the regioselective synthesis of 1,5-diarylpyrazoles using Baylis-Hillman adducts over KSF catalyst in high yields (70-90%) and low reaction times.

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Year:  2009        PMID： 19234755     DOI： 10.1007/s11030-009-9123-2

Source DB:  PubMed          Journal:  Mol Divers        ISSN： 1381-1991            Impact factor:   2.943


  14 in total

1.  New Strategies for the Development of an Asymmetric Version of the Baylis-Hillman Reaction This work was supported by the Fonds der Chemischen Industrie (Liebig-scholarship and funds for P. L.). P. L. thanks Prof. Dr. A. de Meijere for his support.

Authors: 
Journal:  Angew Chem Int Ed Engl       Date:  2000-09-01       Impact factor: 15.336

2.  Three-component, one-pot reaction for the combinatorial synthesis of 1,3,4-substituted pyrazoles.

Authors:  Fuchun Xie; Gang Cheng; Youhong Hu
Journal:  J Comb Chem       Date:  2006 May-Jun

3.  Pyrazole ligands: structure-affinity/activity relationships and estrogen receptor-alpha-selective agonists.

Authors:  S R Stauffer; C J Coletta; R Tedesco; G Nishiguchi; K Carlson; J Sun; B S Katzenellenbogen; J A Katzenellenbogen
Journal:  J Med Chem       Date:  2000-12-28       Impact factor: 7.446

4.  Novel synthesis of highly functionalized pyrazolines and pyrazoles by triphenylphosphine-mediated reaction of dialkyl azodicarboxylate with allenic esters.

Authors:  Vijay Nair; A T Biju; Kishor Mohanan; Eringathodi Suresh
Journal:  Org Lett       Date:  2006-05-25       Impact factor: 6.005

5.  Regioselective synthesis of 1,3,5-triaryl-4-alkylpyrazoles: novel ligands for the estrogen receptor.

Authors:  Y R Huang; J A Katzenellenbogen
Journal:  Org Lett       Date:  2000-09-07       Impact factor: 6.005

6.  An enantio- and stereocontrolled synthesis of (-)-mycestericin E via cinchona alkaloid-catalyzed asymmetric Baylis-Hillman reaction.

Authors:  Y Iwabuchi; M Furukawa; T Esumi; S Hatakeyama
Journal:  Chem Commun (Camb)       Date:  2001-10-07       Impact factor: 6.222

7.  Zinc-catalyzed synthesis of pyrazolines and pyrazoles via hydrohydrazination.

Authors:  Karolin Alex; Annegret Tillack; Nicolle Schwarz; Matthias Beller
Journal:  Org Lett       Date:  2008-05-27       Impact factor: 6.005

8.  Base-mediated reaction of hydrazones and nitroolefins with a reversed regioselectivity: a novel synthesis of 1,3,4-trisubstituted pyrazoles.

Authors:  Xiaohu Deng; Neelakandha S Mani
Journal:  Org Lett       Date:  2008-02-27       Impact factor: 6.005

9.  Synthesis, alkylation, and oxidation of thieno(3,4-c)- and -(3,2-c)pyrazoles.

Authors:  V J Bauer; R P Williams; S R Safir
Journal:  J Med Chem       Date:  1971-05       Impact factor: 7.446

10.  Structure-activity relationships of the p38alpha MAP kinase inhibitor 1-(5-tert-butyl-2-p-tolyl-2H-pyrazol-3-yl)-3-[4-(2-morpholin-4-yl-ethoxy)naph- thalen-1-yl]urea (BIRB 796).

Authors:  John Regan; Alison Capolino; Pier F Cirillo; Thomas Gilmore; Anne G Graham; Eugene Hickey; Rachel R Kroe; Jeffrey Madwed; Monica Moriak; Richard Nelson; Christopher A Pargellis; Alan Swinamer; Carol Torcellini; Michele Tsang; Neil Moss
Journal:  J Med Chem       Date:  2003-10-23       Impact factor: 7.446
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