ASAP’s – 2019 – Week 43-46

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.

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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

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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.

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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

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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

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

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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 ASAP

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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

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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

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