Hot News  |  Latest ChemBlogs  |  New Literature  |   New Products  |  Technology Spotlights   January 2008


Welcome to ChemNews!

Our January ChemNews showcases over 50 brand NEW and innovative products for Catalysis and other new reagents and building blocks for chemical synthesis. 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.

New Products


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Hot News

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.


Latest ChemBlogs


A Novel, Cu(I)–(R,R)-Bisphosphinoquinoxaline-Catalyzed, Enantioselective Substitution of Allylic Carbonates with Bis(pinacolato)diboron

The first example of a Cu(I)-catalyzed, highly enantioselective allylic substitution with a heteroatom nucleophile has recently been reported by Ito, Sawamura, and co-workers. The reaction leads to Read More


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New Literature


Allenes and Ionic Liquids in Asymmetric Synthesis
Vol. 40, No. 4
Allenes and Ionic Liquids in Asymmetric Synthesis

(3.95 Mb PDF)
Cross-Coupling
Vol. 7, No. 10
Cross-Coupling

(3.45 Mb PDF)
Organocatalysis
Vol. 7, No. 9
Organocatalysis

(3.0 Mb PDF)

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New Products

NEW cataCXium® Ligands

Ligands for Various Cross-Coupling Reactions
cataCXium Products Sold in Collaboration with
Evonik Degussa GmbH for Research Purposes

 
672017 Structure

672017
672122 Structure

672122
671479 Structure

671479
671584 Structure

671584
 
671800 Structure

671800
672661 Structure

672661
672564 Structure

672564
672343 Structure

672343
 
672459 Structure

672459
672785 Structure

672785
691100 Structure

691100
688681 Structure

688681
 
688800 Structure

688800
671355 Evonik Ligand Kit for CX Coupling Reactions

671355 – Evonik Ligand Kit for
CX Coupling Reactions
 



NEW catASium® Catalysts and Ligands

Ligands and Catalysts for Various Enantioselective Reactions
catASium Products Sold in Collaboration with
Evonik Degussa GmbH for Research Purposes

            
671029 Structure

671029
671142 Structure

671142
671258 Structure

671258
670693 Structure

670693
 
670804 Structure

670804
672653 Structure

672653
672777 Structure

672777
 


NEW Gold Catalysts

682705 Structure

682705
695173 Structure

695173

691674 Structure

691674
 


NEW Boron Reagents for Suzuki Coupling

            
695661 Structure

695661
695009 Structure

695009
694991 Structure

694991
666947 Structure

666947
695629 Structure

695629

688290 Structure

688290

694584 Structure

694584
 


NEW Azaindoles

            
692549 Structure

692549
694711 Structure

694711
692557 Structure

692557
692298 Structure

692298

694681 Structure

694681

692530 Structure

692530
693588 Structure

693588
 


NEW Unnatural Amino Acids

            
668036 Structure

668036
686433 Structure

686433
686425 Structure

686425
691429 Structure

691429
691437 Structure

691437
691445 Structure

691445

573434 Structure

573434
670758 Structure

670758
669792 Structure

669792
669903 Structure

669903
689459 Structure

689459

670138 Structure

670138

670235 Structure

670350
670340 Structure

670340
 

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Technology Spotlights

Trost Ligands for Asymmetric Allylic Alkylation (AAA)

Headline graphic for Asymmetric Allylic Alkylation



Umicore Precatalysts for Asymmetric Reactions

Precatalysts for Asymmetric and Cross-Coupling Catalysis



(R)-(+)- and (S)-(–)-Stericol®: New, Effective Chiral Auxiliaries

Stericol Title Scheme


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