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Chemistry > Chemical Synthesis > Learning Center > ChemNews > 2008 > August 2008

Welcome to ChemNews!

Our August ChemNews showcases over 50 brand NEW and innovative Organic Building Blocks and reagents. In addition, we're featuring the latest literature for chemical synthesis available from Sigma-Aldrich, as well our latest product highlights — all easily accessed from one convenient location 

Make sure you subscribe to ChemNews — all ChemNews subscribers can download quarterly pdf and sdf files that contain all the new products added during the year.

Check out the categories to the right and click on the links to view the latest products in that category.

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Hot News

NEW! Cheminar 3.2
Formation of C—C Bonds via Catalytic Hydrogenation.

NEW! Cross-Coupling Application Portal
See our comprehensive portfolio of catalysts, reagents and reactants for cross-coupling compiled in a series of ChemFiles, Technology Highlights and ChemBlogs featuring examples of applications using these products.

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Latest ChemBlogs

Stoltz and coworkers have reported an elegant method for the preparation of synthetically challenging alpha-hydroxyesters and acids. The method involves alkylation of dioxanones, which are relatively difficult substrates to alkylate using classical methods because of competing ketone reduction, self-condensation, and decomposition.
Read More

Asymmetric Synthesis of C(alpha)-Tetrasubstituted Hydroxyketones, Acids, and Esters

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New Literature

Aldrichimica Acta
Acta Vol. 41 No. 2 Cover Image
Vol. 41, No. 2
Asymmetric Catalysis with Trip and NHC-Cu(I)

(4.47 Mb PDF)

ChemFiles
ChemFiles Vol. 8 No. 4 Cover Image
Vol. 8, No. 4
Phosphine Chemistry

(5.34 Mb PDF)

ChemFiles
ChemFiles Vol. 8 No. 3 Cover Image
Vol. 8, No. 3
Fluorination

(1.67 Mb PDF)

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New Products

NEW Boron Reagents for Suzuki Coupling

                       
698709 Structure Image

698709

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698199

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698040

698156 Structure Image

698156

 
698024 Structure Image

698024

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698091

699179 Structure Image

699179

 
699845 Structure Image

699845

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699853

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699861



NEW Esters

                       
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694363

688711 Structure Image

688711

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695750

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695742

 
695777 Structure Image

695777

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695785

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695807

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695793

 



NEW Nitriles

                       
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697044

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696358

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697176

 
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697206

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697168

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697192

 



NEW Chiral Building Blocks

                       
672033 Structure Image

672033
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681709
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671762
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671959
 
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670863
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670987
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670650
 
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670766
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698725
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698733
 



NEW Ionic Liquids

                       
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689483
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689041
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688940
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690473
 
30367 Structure Image

30367
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698270
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689157
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690597
 
690708 Structure Image

690708
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691054
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690821
 
690937 Structure Image

690937
688649 Structure Image

688649
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688762
 
691151 Structure Image

691151
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691267
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691372
 

 


 


 


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Product Spotlight

Chiral Phase-Transfer Catalysts—Maruoka Catalysts

Chiral Phase-Transfer Catalysts—Maruoka Catalysts

 


 

Symphos Ligands for Efficient Suzuki Cross-Coupling

Symphos Ligands for Efficient Suzuki Cross-Coupling

 


 

UPDATED - Gold Catalysts: The 21st Century Gold Rush

Gold Catalysts: The 21st Century Gold Rush


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