Results 1 to 10 of about 101,444 (317)

Study of Beryllium, Magnesium, and Spodium Bonds to Carbenes and Carbodiphosphoranes

Molecules, 2021
The aim of this article is to present results of theoretical study on the properties of C⋯M bonds, where C is either a carbene or carbodiphosphorane carbon atom and M is an acidic center of MX2 (M = Be, Mg, Zn).
Mirosław Jabłoński
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Mechanochemical ligand-controlled regiodivergent hydroarylation of alkenes via iron-catalyzed C−H activation [PDF]

Nature Communications
The iron-catalyzed hydroarylation of alkenes with indoles is a sustainable, effective synthetic transformation towards the construction of functionalized indoles - crucial motifs for various bioactive molecules and drug candidates.
Zi-Jing Zhang, Ziyue Liu, Xinran Chen, Lutz Ackermann   +3 more
doaj   +2 more sources

Covalent Functionalization of Black Phosphorus Nanosheets with Dichlorocarbenes for Enhanced Electrocatalytic Hydrogen Evolution Reaction

Nanomaterials, 2023
Two-dimensional black phosphorus (BP) has emerged as a perspective material for various micro- and opto-electronic, energy, catalytic, and biomedical applications.
Aidar M. Kuchkaev, Airat M. Kuchkaev, Aleksander V. Sukhov, Svetlana V. Saparina, Oleg I. Gnezdilov, Alexander E. Klimovitskii, Sufia A. Ziganshina, Irek R. Nizameev, Iskander R. Vakhitov, Alexey B. Dobrynin, Dmitry I. Stoikov, Gennady A. Evtugyn, Oleg G. Sinyashin, Xiongwu Kang, Dmitry G. Yakhvarov   +14 more
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On the Coexistence of the Carbene⋯H-D Hydrogen Bond and Other Accompanying Interactions in Forty Dimers of N-Heterocyclic-Carbenes (I, IMe₂, IⁱPr₂, I^tBu₂, IMes₂, IDipp₂, IAd₂; I = imidazol-2-ylidene) and Some Fundamental Proton Donors (HF, HCN, H₂O, MeOH, NH₃)

Molecules, 2022
The subject of research is forty dimers formed by imidazol-2-ylidene (I) or its derivative (IR2) obtained by replacing the hydrogen atoms in both N-H bonds with larger important and popular substituents of increasing complexity (methyl = Me, iso-propyl =
Mirosław Jabłoński
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Theoretical study on the insertion reaction of phosphenium cation and azirane [PDF]

Journal of the Serbian Chemical Society, 2022
The mechanism of the insertion reaction between the phosphenium cation and azirane has been investigated theoretically in order to better understand the reactivity for the valence isoelectronic of carbene.
Gu Jinsong, Zhao Xiaodong, Liu Shankui, Tan Xiaojun   +3 more
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Theoretical Investigation on C11H8 Bicyclic Carbene and Allene Isomers

Frontiers in Physics, 2022
Recent studies postulate that the presence of polycyclic aromatic hydrocarbons (PAHs) in the interstellar medium (ISM) could have been formed through resonance-stabilized arylcarbene intermediates.
Tarun Roy, Sayon Satpati, Venkatesan S. Thimmakondu, Subhas Ghosal   +3 more
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Silver (I) N-Heterocyclic Carbenes Carbosilane Dendritic Systems and Their Imidazolium-Terminated Analogues as Antibacterial Agents: Study of Their Mode of Action

Pharmaceutics, 2020
Spherical dendrimers and dendrons containing silver(I) N-heterocyclic carbenes (Ag(I)-NHC) and additionally bow-tie metal-free dendritic systems were synthesized in a simple and straightforward synthetic procedure and subsequently characterized.
Tamara Rodríguez-Prieto, Philipp F. Popp, José Luis Copa-Patiño, F. Javier de la Mata, Jesús Cano, Thorsten Mascher, Rafael Gómez   +6 more
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Metal-Dependent Umpolung Reactivity of Carbenes Derived from Cyclopropenes

iScience, 2019
Summary: Metal carbenes, divalent carbon species, are versatile intermediates that enable novel synthetic pathways. These species exhibit either electrophilic or nucleophilic character, depending on the carbene and metal fragments.
Dan Zhang, Zhenghui Kang, Junwen Liu, Wenhao Hu   +3 more
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Carbene Catalysts [PDF]

, 2009
The use of N-heterocyclic carbenes as catalysts for organic transformations has received increased attention in the past 10 years. A discussion of catalyst development and nucleophilic characteristics precedes a description of recent advancements and new reactions using N-heterocyclic carbenes in catalysis.
Jennifer L, Moore, Tomislav, Rovis
openaire   +2 more sources

Cycloaddition Chemistry of a Silylene‐Nickel Complex toward Organic π‐Systems: From Reversibility to C−H Activation [PDF]

, 2020
The versatile cycloaddition chemistry of the Si−Ni multiple bond in the acyclic (amido)(chloro)silylene→Ni0 complex 1, [(TMSL)ClSi→Ni(NHC)2] (TMSL=N(SiMe3)Dipp; Dipp=2,6‐iPr2C6H4; NHC=C[(iPr)NC(Me)]2), toward unsaturated organic substrates is reported ...
Drieß, Matthias, Hadlington, Terrance J., Kostenko, Arseni   +2 more
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