Results 21 to 30 of about 1,050 (206)

A Computational Study to Determine the Role of Σ-Hole in Br/Oh Substituted Nido-Carborane and its Binding Capabilities

open access: greenJournal of Molecular Graphics and Modelling, 2023
A detailed investigation of the σ-hole on the halogen atom present in the nido-heteroboranes is made by employing quantum mechanical methods. The bromide and the hydroxyl groups are incorporated in the exo-substituents of the nido-boranes. The potential of the bromide σ-hole was compared to that of electrostatic potential of hydroxyl group counterpart.
Ramachandran Gnanasekaran   +2 more
openalex   +3 more sources

<i>Nido</i>-Carborane Derivatives of (<i>S</i>)-Ornithine and (<i>S</i>)-Lysine as Potential Boron Delivery Agents: Synthesis and In Vitro Evaluation. [PDF]

open access: goldInt J Mol Sci
Gruzdev DA   +10 more
europepmc   +3 more sources

A Redox-Tunable Carborane Crown: Toward Highly Selective Electrochemical Lithium Capture. [PDF]

open access: yesChemistry
Electrochemical reduction transforms a new carborane–crown into a potent 2e− reduced nido anion with a redox‐tunable cavity that captures Li⁺ selectively over Na⁺ and K⁺. The coupling of electronic control and size‐matched binding offers a blueprint for selective, rapid lithium recovery for next‐generation direct lithium extraction. Abstract Lithium is
Heinrich S   +6 more
europepmc   +2 more sources

Development of Carborane-Based Halogenated Naphthyridinone-Analogues as Cannabinoid Receptor Type 2 (CB<sub>2</sub>R) Ligands. [PDF]

open access: yesChemMedChem
There is no suitable radioligand for positron emission tomography imaging of CB2R overexpression for routine clinical usage. Herein, the synthesis, characterization, binding affinity, and docking studies of carborane‐based halo‐substituted naphthyridinone derivatives as CB2R ligands are presented.
Ueberham L   +4 more
europepmc   +2 more sources

Carboranes as unique pharmacophores in antitumor medicinal chemistry

open access: yesMolecular Therapy: Oncolytics, 2022
Carborane is a carbon-boron molecular cluster that can be viewed as a 3D analog of benzene. It features special physical and chemical properties, and thus has the potential to serve as a new type of pharmacophore for drug design and discovery.
Yu Chen   +10 more
doaj   +1 more source

Synthesis and Structure of Nido-Carboranyl Azide and Its “Click” Reactions

open access: yesMolecules, 2021
Novel zwitter-ionic nido-carboranyl azide 9-N3(CH2)3Me2N-nido-7,8-C2B9H11 was prepared by the reaction of 9-Cl(CH2)3Me2N-nido-7,8-C2B9H11 with NaN3.
Anna A. Druzina   +6 more
doaj   +1 more source

Selective C-H Activation: Ruthenaelectro-Catalysis and Carborane Cage Activation [PDF]

open access: yes, 2021
Synthetic organic chemistry mainly focuses on the cleavage and formation of bonds in a practical and selective fashion, where the formation of carbon-carbon (C-C) and C-Heteroatom (C Het) bonds constitutes one of the most important subjects.
Yang, Long
core   +1 more source

Crystal Structure of 9-Dibenzylsulfide-7,8-dicarba-nido-undecaborane 9-Bn2S-7,8-C2B9H11

open access: yesMolbank, 2021
The crystal structure of 9-dibenzylsulfide-7,8-dicarba-nido-undecaborane 9-Bn2S-7,8-C2B9H11 was determined by a single-crystal X-ray diffraction. One of the benzyl groups is located above the open face of the carborane cage with a short H···H distance (2.
Sergey A. Anufriev   +3 more
doaj   +1 more source

Carborane-Based Analogs of Celecoxib and Flurbiprofen, their COX Inhibition Potential, and COX Selectivity Index. [PDF]

open access: yesChemMedChem
Eight nido‐ and ortho‐carborane compounds based on celecoxib and flurbiprofen were synthesized and their COX inhibition was determined. The deboronation of the di‐substituted celecoxib derivative results in a switch from COX‐1 inhibitory preference to COX‐2 inhibition.
Ueberham L   +8 more
europepmc   +2 more sources

Water-soluble BODIPY-nido-carborane nanoparticles applied to biocompatibility tumor cell imaging [PDF]

open access: yesPhotochemical & Photobiological Sciences, 2022
In this article, o-carborane has a high boron content, high hydrophobicity, and good chemical stability. It has been widely used in the fields of biology and medicine, especially in the application of boron neutron capture therapy (BNCT). However, o-carborane is a fat-soluble compound, its hydrophobicity is too strong, and its bioavailability is poor ...
Dongfang, Dai   +4 more
openaire   +2 more sources

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