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ASAP’s – 2019 – Week 43-46

November 15, 2019 By Adam Johns

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



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