Macrocycles in Medicine: Vaniprevir (MK-7009)

January 9, 2013

Kong, J.; Chen; C.; Balsells-Padros; J., Cao, Y.; Dunn, R. F.; Dolman, S. J.; Janey, J.; Li, H.; and Zakuto, M.J. “Synthesis of the HCV Protease Inhibitor Vaniprevir (MK-7009) Using Ring-Closing Metathesis Reaction” J. Org. Chem. 2012, 77, 3820. Several years ago the chemical development group at Boehringer Ingelheim1 used a ring closing metathesis (RCM) step [...]

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Using Isomerizing Metathesis to Access New Chemicals from Fatty Acids

December 12, 2012

Ohlmann, D. M.; Tschauder, N.; Stockis, J.-P.; Gooßen, Dierker, M.; Gooßen, L. J. “Isomerizing Olefin Metathesis as a Strategy To Access Defined Distributions of Unsaturated Compounds from Fatty Acids” J. Am. Chem. Soc. 2012, 134, 13716-13729. As petrochemical feedstocks are depleted, the chemical community is charged with discovering and developing new methods to access value [...]

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A Little Metathesis Catalyst Goes a Long Way

November 15, 2012

Amakawa, K.; Wrabetz, S.; Kröhnert, J.; Tzolova-Müller, G. Schlögl, R.; Trunschke, A. “In Situ Generation of Active Sites in Olefin Metathesis” J. Am. Chem. Soc. 2012, 134, 11462-11473. Heterogeneous, silica-supported tungsten catalysts are used to conduct the most efficient and largest practiced metathesis reactions in industry (The Phillips Triolefin Process). Despite their prominence, these catalysts [...]

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