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Chemistry, Volume 4, Issue 2

June 2022 - 26 articles

Cover Story: Graphene nanoribbons (GNR) were synthesized via direct deposition of radicals onto pristine and iodine-passivated metal surfaces. The radicals were generated en route by deposition through a hot tube, which induced dehalogenation. C-C-bonded covalent polymers were obtained on iodine-passivated surfaces, whereas C-Ag-C-linked organometallic chains emerged on pristine Ag(111). Their conversion into GNR by reductive elimination of the Ag atoms was not possible; the monomers only desorbed from Ag(111) upon further heating. By contrast, the covalent chains on iodinated surfaces could be readily transformed into GNR. Heating at higher temperatures first resulted in thermal desorption of the iodine monolayer, whereby the covalent chains remained intact and became adsorbed on the bare metal. Eventually, the established metal-catalyzed cyclodehydrogenation afforded fully planar GNR. View this paper
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Articles (26)

  • Article
  • Open Access
12 Citations
3,443 Views
15 Pages

Multicomponent Electrocatalytic Selective Approach to Unsymmetrical Spiro[furo[3,2-c]pyran-2,5′-pyrimidine] Scaffold under a Column Chromatography-Free Protocol at Room Temperature

  • Yuliya E. Ryzhkova,
  • Michail N. Elinson,
  • Anatoly N. Vereshchagin,
  • Kirill A. Karpenko,
  • Fedor V. Ryzhkov,
  • Ivan E. Ushakov and
  • Mikhail P. Egorov

19 June 2022

Electrochemical synthesis suggested a mild, green and atom-efficient route to interesting and useful molecules, thus avoiding harsh chemical oxidizing and reducing agents used in traditional synthetic methods. Organic electrochemistry offers an excel...

  • Article
  • Open Access
6 Citations
3,078 Views
12 Pages

16 June 2022

In the present work, the interaction strength of Carbon Monoxide (CO) with a set of forty-two, strategically selected, functionalized benzenes was calculated. Our ab initio calculations at the MP2/6-311++G** level of theory reveal that phenyl hydroge...

  • Article
  • Open Access
5 Citations
2,960 Views
11 Pages

Conversion Study on the Formation of Mechanochemically Synthesized BaTiO3

  • Gábor Kozma,
  • Kata Lipták,
  • Cora Deák,
  • Andrea Rónavári,
  • Ákos Kukovecz and
  • Zoltán Kónya

15 June 2022

Mechanochemistry is a method that can cover the energy demand of reaction pathways between solid materials. This requires enough energy to maintain the reactions between the starting materials. This is called “high-energy milling”. In our...

  • Article
  • Open Access
3 Citations
3,924 Views
16 Pages

The Dielectric Behavior of Protected HKUST-1

  • Simona Sorbara,
  • Nicola Casati,
  • Valentina Colombo,
  • Filippo Bossola and
  • Piero Macchi

10 June 2022

We investigated the adsorption properties and the dielectric behavior of a very well-known metal-organic framework (MOF), namely Cu3(BTC)2 (known as HKUST-1; BTC = 1,3,5-benzenetricarboxylate), before and after protection with some amines. This treat...

  • Article
  • Open Access
10 Citations
5,066 Views
16 Pages

Copper(II) NHC Catalyst for the Formation of Phenol from Arylboronic Acid

  • Mitu Sharma,
  • Bhupendra Adhikari,
  • Raymond Femi Awoyemi,
  • Amanda M. Perkins,
  • Alison K. Duckworth,
  • Bruno Donnadieu,
  • David O. Wipf,
  • Sean L. Stokes and
  • Joseph P. Emerson

7 June 2022

Arylboronic acids are commonly used in modern organic chemistry to form new C–C and C–heteroatom bonds. These activated organic synthons show reactivity with heteroatoms in a range of substrates under ambient oxidative conditions. This br...

  • Article
  • Open Access
12 Citations
6,060 Views
12 Pages

Kinetics of Thermal Decomposition of Particulate Samples of MgCO3: Experiments and Models

  • Francesca Mancarella,
  • Marcella D’Elia,
  • Gaia Micca Longo,
  • Savino Longo and
  • Vincenzo Orofino

31 May 2022

In this work, we study the kinetics of thermal decomposition of MgCO3 in the form of particles of known size. In the experiments, the material is heated to a known temperature in a vacuum oven, and it is characterized, both before and after heating,...

  • Article
  • Open Access
11 Citations
4,587 Views
13 Pages

Self-Assembly of a Rare High Spin FeII/PdII Tetradecanuclear Cubic Cage Constructed via the Metalloligand Approach

  • Hyunsung Min,
  • Alexander R. Craze,
  • Takahiro Taira,
  • Matthew J. Wallis,
  • Mohan M. Bhadbhade,
  • Ruoming Tian,
  • Daniel J. Fanna,
  • Richard Wuhrer,
  • Shinya Hayami and
  • Jack K. Clegg
  • + 3 authors

26 May 2022

Polynuclear heterobimetallic coordination cages in which different metal cations are connected within a ligand scaffold are known to adopt a variety of polyhedral architectures, many of which display interesting functions. Within the extensive array...

  • Article
  • Open Access
2 Citations
3,213 Views
15 Pages

Structural Diversity of Lithium Oligo-α-Pyridylamides

  • Arsen Raza,
  • Adele Mucci,
  • Alessio Nicolini and
  • Andrea Cornia

25 May 2022

Lithium oligo-α-pyridylamides are useful intermediates in coordination chemistry. Upon trans-metalation they have afforded a variety of extended metal atom chains (EMACs), which are currently investigated as molecular wires and single-molecule...

  • Review
  • Open Access
23 Citations
8,695 Views
26 Pages

18 May 2022

Supramolecular metal–organic cages, a class of molecular containers formed via coordination-driven self-assembly, have attracted sustained attention for their applications in catalysis, due to their structural aesthetics and unique properties....

  • Article
  • Open Access
2 Citations
2,970 Views
14 Pages

Influence of the Support Composition on the Activity of Cobalt Catalysts Supported on Hydrotalcite-Derived Mg-Al Mixed Oxides in Ammonia Synthesis

  • Magdalena Zybert,
  • Hubert Ronduda,
  • Aleksandra Dziewulska,
  • Kamil Sobczak,
  • Andrzej Ostrowski,
  • Wojciech Patkowski and
  • Wioletta Raróg-Pilecka

17 May 2022

Recently, catalysts with hydrotalcites and hydrotalcite-derived compounds have attracted particular interest due to their specific properties, mostly well-developed texture, high thermal stability, and favorable acid–base properties. In this wo...

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Chemistry - ISSN 2624-8549