Nontraditional catalyst supports in surface organometallic chemistry

RJ Witzke, A Chapovetsky, MP Conley… - ACS …, 2020 - ACS Publications
The field of Surface Organometallic Chemistry (SOMC) aims to blend the positive attributes
of homogeneous and heterogeneous catalysis. Significant insight into heterogeneous …

Cationic molybdenum oxo alkylidenes stabilized by N-heterocyclic carbenes: from molecular systems to efficient supported metathesis catalysts

JV Musso, JDJ Silva, MJ Benedikter, J Groos… - Chemical …, 2022 - pubs.rsc.org
Cationic d0 group 6 olefin metathesis catalysts have been recently shown to display in most
instances superior activity in comparison to their neutral congeners. Furthermore, their …

Revealing the Configuration and Conformation of Surface Organometallic Catalysts with DNP-Enhanced NMR

FA Perras, AL Paterson, ZH Syed… - The Journal of …, 2021 - ACS Publications
Although single-site, supported organometallic catalysts were designed with homogeneity in
mind, little is strictly known about their atomic-level structure and uniformity. This is in large …

Theory and computation of nuclear shielding

T Kupka - 2020 - books.rsc.org
A review of the literature published from January to December 2019 on theoretical aspects
of nuclear magnetic shielding is presented. It covers both non-relativistic and relativistic …

Silica‐Supported Cationic Tungsten Imido Alkylidene Stabilized by an N‐Heterocyclic Carbene Ligand Boosts Activity and Selectivity in the Metathesis of α‐Olefins

J De Jesus Silva, D Mance, M Pucino… - Helvetica Chimica …, 2020 - Wiley Online Library
A well‐defined silica‐supported cationic W imido alkylidene was prepared through surface
organometallic chemistry. This catalyst shows preferential activity towards α‐over internal …

“MoCl3(dme)” Revisited: Improved Synthesis, Characterization, and X-ray and Electronic Structures

TE Shaw, TJ Diethrich, BL Scott, TM Gilbert… - Inorganic …, 2021 - ACS Publications
“MoCl3 (dme)”(dme= 1, 2-dimethoxyethane) is an important precursor for midvalent
molybdenum chemistry, particularly for triply Mo–Mo bonded compounds of the type Mo2X6 …

Electrochemical Investigation of Low-Valent Multiply M≡ M Bonded Group VI Dimers: A Standard Chemical Reduction Leads to an Unexpected Product

A Chapovetsky, P Patel, C Liu, AP Sattelberger… - …, 2020 - ACS Publications
The synthesis and investigation of multimetallic complexes bearing metal–metal bonds have
been significantly advanced over the last 30 years with exciting applications across many …

Study of the Electronic Structure of M2(CH2CMe3)6 (M = Mo, W) by Photoelectron Spectroscopy and Density Functional Theory

M de Simone, M Coreno, R Totani, NE Capra… - …, 2021 - ACS Publications
The valence electronic structures of two dinuclear alkyl compounds containing σ2π4 triple
bonds between group 6 metals, viz., M2 (CH2CMe3) 6 (M= Mo, W), have been investigated …

Electronic Structure of Re2(O2CR)4Cl2 Complexes (R = H, CMe3) and Reassignment of the Electronic Absorption Spectrum of Re2(O2CCMe3)4Cl2

TE Shaw, T Jurca, JC Green, AP Sattelberger - ACS omega, 2022 - ACS Publications
Electronic structure calculations on two dinuclear rhenium (III) carboxylate complexes, Re2
(O2CH) 4Cl2 and Re2 (O2CCMe3) 4Cl2, are presented and discussed. Allowed electronic …

[PDF][PDF] Initiation and Deactivation of Homogeneous Rhenium Olefin Metathesis Catalysts

YM Stöferle - 2023 - research-collection.ethz.ch
Rhenium-catalyzed olefin metathesis is mainly studied in heterogeneous catalysts. The most
frequently used supported rhenia catalysts are Re2O7/Al2O3 (-SiO2) and CH3ReO3/Al2O3 …