The American Chemical Society is set to host their 251st National Meeting and Exposition in beautiful, sunny San Diego, California from March 13 – 17, 2016. “Computers in Chemistry” is the overall theme of the event and, as always done here at All … [Continue reading]
New Work on Functionalized Polyethylene Models via Olefin Metathesis
Martinez, H.; Zhang, J.; Kobayashi, S.; Xu, Y.; Pitet, L. M.; Matta, M. E.; Hillmyer, M. A. “Functionalized Regio-regular Linear Polyethylenes from the ROMP of 3-Substituted Cyclooctenes” Appl. Petrochem Res., 2015, 5, 19–25. It turns out that … [Continue reading]
Cooperative Organometallic and Enzymatic Transformations: Progress Marches On
Denard, C. A.; Bartlett, M. J.; Wang, Y.; Lu, L.; Hartwig, J. F.; and Zhao, H. “Development of a One-Pot Tandem Reaction Combining Ruthenium-Catalyzed Alkene Metathesis and Enantioselective Enzymatic Oxidation To Produce Aryl Epoxides” ACS Catal., … [Continue reading]
Curing Synthetic Metathesis Ailments with Small Doses of Acid
William, A.D; Lee, A. C.-H. “Acid Mediated Ring Closing Metathesis: A Powerful Synthetic Tool Enabling the Synthesis of Clinical Stage Kinase Inhibitors” CHIMIA 2015, 69, 142-145 There’s an adage in total synthesis that “every nitrogen in a … [Continue reading]
Reactions of Amines with 2nd Generation Hoveyda-Grubbs Type Catalysts
Ireland, B. J.; Dobigny, B. T.; Fogg, D. E. “Decomposition of a Phosphine-Free Metathesis Catalyst by Amines and Other Bronsted Bases: Metallacyclobutane Deprotonation as a Major Deactivation Pathway” ACS Catal. 2015 5 (8) 4690-4698 [DOI: … [Continue reading]
Enabling Post-Synthetic Modification of Polymers with Metathesis
García-Loma, R.; Albéniz, A. C. “Poly(w-bromoalkylnorbornenes-co-norbornene) by ROMP-Hydrogenation: a Robust Support Amenable to Post-Polymerization Functionalization” RSC Adv. 2015, 5, 70244. Introducing functionality into a polymer is often … [Continue reading]
Olefin Metathesis at the 250th ACS Meeting
The 250th ACS National Meeting & Exposition is set for the history-rich city of Boston, MA from August 16 – 20, 2015. The theme of the event is “Innovation from Discovery to Application” which fits well with our favorite topic of olefin … [Continue reading]
Controlling the “Light” Path to Metathesis
Levin, E.; Mavila, S.; Eivgi, O.; Tzur, E.; Lemcoff, N.G. “Regioselective Chromatic Orthogonality with Light-Activated Metathesis Catalysts” Angew. Chem. Int. Ed. 2015, Advance Article. DOI: 10.1002/anie.201500740 The control of molecular bond … [Continue reading]
Two Reactions for the Price of One Olefin Metathesis Catalyst
“In tandem or alone: a remarkably selective transfer hydrogenation of alkenes catalyzed by ruthenium olefin metathesis catalysts” G. K. Zieli?ski, C. Samoj?owicz, T. Wdowik and K. Grela, Org. Biomol. Chem., 2015, 13, 2684 DOI: … [Continue reading]
Olefin Metathesis in Self-Healing Materials
Neal, J. A.; Mozhdehi, D.; Guan, Z. “Enhancing Mechanical Performance of a Covalent Self-Healing Material by Sacrificial Noncovalent Bonds” J. Am. Chem. Soc. 2015, 137, 4846-4850. Self-healing materials have been an objective of extensive research … [Continue reading]
New Remarkably Efficient Ethenolysis Catalysts
Marx, V. M.; Sullivan, A. H.; Melaimi, M.; Virgil; S. C.; Keitz, B. K.; Weinberger, D. S.; Bertrand, G. and Grubbs, R. H. “Cyclic Alkyl Amino Carbene (CAAC) Ruthenium Complexes as Remarkably Active Catalysts for Ethenolysis” Angew. Chem. Int. Ed. … [Continue reading]
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