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Welcome to ChemNews!
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Our December ChemNews showcases over 40 brand NEW and innovative products for Asymmetric Synthesis and other new 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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New Products
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NEW! Cheminar 4.1
The Efficient Application of Olefin Metathesis in Pharmaceuticals and Fine Chemicals
by Richard Pederson, PhD, Director Fine Chemicals R & D, Materia, Inc.
NEW!
Did You Know Challenge
We’ve extended our Did You Know? Challenge --- enter for a chance to win your choice of either a $250 voucher towards the purchase of Aldrich chemicals, books or labware, or a $250 Apple® Gift Card. There’s a new winner each week!
First Total Synthesis of (+)-Wasabidienone B1
The first total synthesis of the fungal metabolite (+)-wasabidienone B1 was achieved in 10 steps and 5% overall yield from 1,2,3-trimethoxybenzene. The key step was an ortho-selective hydroxylative phenol dearomatization (HPD) mediated by stabilized IBX (SIBX), which proceeded cleanly to provide 1:1 diastereomeric mixtures of the target compound and the unnatural (–)-6-epi-wasabidienone B1.
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