All Things Metathesis

ASAP’s – 2019 – Week 43-46

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A Gentler Touch: Synthesis of Modern Ruthenium Olefin Metathesis Catalysts Sustained by Mechanical Force
Nirmalya Mukherjee, Anna Marczyk, Grzegorz Szczepaniak, Adrian Sytniczuk, Anna Kajetanowicz, and Karol Grela*
ChemCatChem 2019 ASAP

This article details the application of mechanochemical synthesis to the prototypical transformations utilized in olefin metathesis catalyst synthesis.

Two papers recently examined the mechanism of ROMP catalyzed by third generation catalysts

Examining the Effects of Monomer and Catalyst Structure on the Mechanism of Ruthenium-Catalyzed Ring-Opening Metathesis Polymerization
William J. Wolf, Tzu-Pin Lin, and Robert H. Grubbs*
J Am Chem Soc 2019 ASAP

Mechanistic and Kinetic Studies of the Ring Opening Metathesis Polymerization of Norbornenyl Monomers by a Grubbs Third Generation Catalyst
Michael G. Hyatt, Dylan J. Walsh, Richard L. Lord, José G. Andino Martinez, and Damien Guironnet*
J Am Chem Soc 2019 ASAP

The Impact of Oxygen on Leading and Emerging Ru-Carbene Catalysts for Olefin Metathesis: An Unanticipated Correlation Between Robustness and Metathesis Activity
Stephanie J. Ton and Deryn E. Fogg*
ACS Catalysis 2019 ASAP

The influence of molecular oxygen on olefin metathesis catalyzed by Ru-NHC and Ru-CAAC catalysts is examined.

Consecutive Intermolecular Reductive Amination/Asymmetric Hydrogenation: Facile Access to Sterically Tunable Chiral Vicinal Diamines and N-Heterocyclic Carbenes
Ya Chen, Yixiao Pan, Yan-Mei He,* and Qing-Hua Fan*
Angew Chem Int Ed 2019 ASAP

Cooperative effects of aniline with DMSO in new RuII complexes tuning the reactivity for ring-opening metathesis polymerization
Daniele M. Martins, Prof. Dr. Pedro I. S. Maia, Prof. Dr. Valdemiro P. Carvalho-Jr, and Prof. Dr. Benedito S. Lima-Neto*
Eur J Inorg Chem 2019 ASAP

Synthesis of Well-Defined Poly(norbornene) Containing Carbon Nanodots by Controlled ROMP
Ki-Taek Bang, Tae-Lim Choi*
J Polym Sci A 2019 ASAP

A Divergent Synthetic Route to the Vallesamidine, Strempeliopine and Schizozygine Alkaloids: Total Synthesis of (+)-Vallesamidine and (+)-14,15-Dehydrostrempeliopine
Xiangyu Zhang and James. C. Anderson*
Angew Chem Int Ed 2019 ASAP

Tailored silyl ether monomers enable backbonedegradable polynorbornene-based linear, bottlebrush and star copolymers through ROMP
Peyton Shieh, Hung V.-T. Nguyen and Jeremiah A. Johnson*
Nature Chem 2019 ASAP

Application of Ring-Rearrangement Metathesis in Organic Synthesis: A Grand Design
Sambasivarao Kotha,* Milind Meshram, Vikas R. Aswar
Tetrahedron Letters 2019 ASAP

A concise report of various strategies involving ring-rearrangement metathesis as a key step for molecular assembly

All Things Metathesis is a blog published by Umicore. For more information, please visit www.pmc.umicore.com

ASAP’s – 2019 – Week 41-42

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Fluoro-imidazopyridinylidene Ruthenium Catalysts for Cross Metathesis with Ethylene Seunghwan Byun, Huiyeong Seo, Jun-Ho Choi, Ji Yeon Ryu, Junseong Lee, Won-jin Chung,* and Sukwon Hong* Organometallics 2019 ASAP Synthetic mimics of … [Continue reading]

ASAP’s – 2019 – Week 39-40

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A Divergent Synthetic Route to the Vallesamidine, Strempeliopine and Schizozygine Alkaloids: Total Synthesis of (+)-Vallesamidine and (+)-14,15-Dehydrostrempeliopine Xiangyu Zhang and James. C. Anderson* Angew Chem Int Ed 2019 … [Continue reading]

ASAP’s – 2019 – Week 37-38

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“Close-to-Release”: Spontaneous Bioorthogonal Uncaging Resulting from Ring-Closing Metathesis Valerio Sabatino, Johannes G. Rebelein, and Thomas R. Ward* J Am Chem Soc 2019 ASAP A Metathetic Approach to [5/5/6] Aza-Tricyclic Core of … [Continue reading]

ASAP’s – 2019 – Week 36

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Resonance Promoted Ring-Opening Metathesis Polymerization of Twisted Amides Mizhi Xu, Krista K. Bullard, Aja M. Nicely and Will R. Gutekunst* Chem Sci 2019 ASAP Activation of olefin metathesis complexes containing unsymmetrical … [Continue reading]

ASAP’s – 2019 – Week 35

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Catalytic Living Ring Opening Metathesis Polymerisation: The Importance of Ring Strain in Chain Transfer Agents Peng Liu, Mohammad Yasir and Andreas F.M. Kilbinger* Angew Chem Int Ed 2019 ASAP Highly active ruthenium metathesis catalysts … [Continue reading]

ASAP’s – 2019 – Week 33-34

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Ethyl lactate: A green solvent for olefin metathesis Sebastian Planer, Anupam Jana and Karol Grela* ChemSusChem 2019 ASAP Pulsed-addition ring-opening metathesis polymerization with functional enyne reagents Tianqi Zhang and Will R. … [Continue reading]

ASAP’s – 2019 – Week 32

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Photoinitiated Ring-Opening Metathesis Polymerization Wontae Joo, Christopher H. Chen, Jonathan P. Moerdyk, Ryan P. Deschner, Christopher W. Bielawski, Carlton Grant Willson J Polym Sci A 2019 ASAP Engineering of Molecular Geometry in … [Continue reading]

ASAP’s – 2019 – Week 30-31

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Synthesis of N-Sulfonyl- and N-Acylpyrroles via a Ring-Closing Metathesis/Dehydrogenation Tandem Reaction Weiqiang Chen, Yin-Lin Zhang, Hui-Jing Li*, Xiang Nan, Ying Liu, Yan-Chao Wu* Synthesis 2019 ASAP Living β-Selective … [Continue reading]

ASAP’s – 2019 – Week 29

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Ring-Opening Metathesis Polymerization-Induced Self-Assembly (ROMPISA) Spyridon Varlas, Jeffrey C. Foster,* and Rachel K. O’Reilly* Chem Comm 2019 ASAP A highlight of the recent advances in the field of ROMP mediated polymerization-induced … [Continue reading]

ASAP’s – 2019 – Week 28

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Electronic effects in mixed N-heterocyclic carbene/phosphite indenylidene ruthenium metathesis catalysts Yannick D. Bidal, César A. Urbina-Blanco, Albert Poater, David B. Cordes, Alexandra M. Z. Slawin, Luigi Cavallo and Catherine S. J. … [Continue reading]