Literature DB >> 17851399

The synthesis and natural distribution of the major ketone constituents in Echinacea pallida.

George A Kraus1, Jaehoon Bae, Lankun Wu, Eve Wurtele.   

Abstract

The first synthesis of a series of ketones naturally occurring in E. pallida is described. The natural distribution of these ketones among different Echinacea species is also reported.

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Year:  2007        PMID： 17851399      PMCID： PMC1986633          DOI： 10.3390/12030406

Source DB:  PubMed          Journal:  Molecules        ISSN： 1420-3049            Impact factor:   4.411


  8 in total

1.  Light-mediated antifungal activity of Echinacea extracts.

Authors:  S E Binns; B Purgina; C Bergeron; M L Smith; L Ball; B R Baum; J T Arnason
Journal:  Planta Med       Date:  2000-04       Impact factor: 3.352

2.  An evaluation of Echinacea angustifolia in experimental rhinovirus infections.

Authors:  Ronald B Turner; Rudolf Bauer; Karin Woelkart; Thomas C Hulsey; J David Gangemi
Journal:  N Engl J Med       Date:  2005-07-28       Impact factor: 91.245

3.  TLC and HPLC Analysis of Alkamides in Echinacea Drugs1,2.

Authors:  R Bauer; P Remiger
Journal:  Planta Med       Date:  1989-08       Impact factor: 3.352

4.  The First Synthesis of a Diynone from Echinacea pallida.

Authors:  George A Kraus; Jaehoon Bae; Jessica Schuster
Journal:  Synthesis (Stuttg)       Date:  2005-12       Impact factor: 3.157

Review 5.  Synthesis of naturally occurring polyynes.

Authors:  Annabelle L K Shi Shun; Rik R Tykwinski
Journal:  Angew Chem Int Ed Engl       Date:  2006-02-06       Impact factor: 15.336

Review 6.  Echinacea species (Echinacea angustifolia (DC.) Hell., Echinacea pallida (Nutt.) Nutt.,Echinacea purpurea (L.) Moench): a review of their chemistry, pharmacology and clinical properties.

Authors:  Joanne Barnes; Linda A Anderson; Simon Gibbons; J David Phillipson
Journal:  J Pharm Pharmacol       Date:  2005-08       Impact factor: 3.765

7.  Diacetylenic isobutylamides of Echinacea: synthesis and natural distribution.

Authors:  Lankun Wu; Jaehoon Bae; George Kraus; Eve Syrkin Wurtele
Journal:  Phytochemistry       Date:  2004-09       Impact factor: 4.072

8.  Straightforward synthesis of panaxytriol: an active component of Red Ginseng.

Authors:  Heedong Yun; Samuel J Danishefsky
Journal:  J Org Chem       Date:  2003-05-30       Impact factor: 4.354
  8 in total
  4 in total

1.  Bauer ketones 23 and 24 from Echinacea paradoxa var. paradoxa inhibit lipopolysaccharide-induced nitric oxide, prostaglandin E2 and cytokines in RAW264.7 mouse macrophages.

Authors:  Xiaozhu Zhang; Ludmila Rizshsky; Catherine Hauck; Luping Qu; Mark P Widrlechner; Basil J Nikolau; Patricia A Murphy; Diane F Birt
Journal:  Phytochemistry       Date:  2011-11-29       Impact factor: 4.072

2.  Progress towards the synthesis of Papuaforin A: Selective formation of α-bromoenones from silyl enol ethers.

Authors:  George A Kraus; Insik Jeon
Journal:  Tetrahedron Lett       Date:  2008-01-07       Impact factor: 2.415

3.  Metabolic profiling of echinacea genotypes and a test of alternative taxonomic treatments.

Authors:  Lankun Wu; Philip M Dixon; Basil J Nikolau; George A Kraus; Mark P Widrlechner; Eve Syrkin Wurtele
Journal:  Planta Med       Date:  2008-12-19       Impact factor: 3.352

4.  Endogenous levels of Echinacea alkylamides and ketones are important contributors to the inhibition of prostaglandin E2 and nitric oxide production in cultured macrophages.

Authors:  Carlie A LaLone; Ludmila Rizshsky; Kimberly D P Hammer; Lankun Wu; Avery K S Solco; Manyu Yum; Basil J Nikolau; Eve S Wurtele; Patricia A Murphy; Meehye Kim; Diane F Birt
Journal:  J Agric Food Chem       Date:  2009-10-14       Impact factor: 5.279
  4 in total

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