Results 161 to 170 of about 2,066,464 (240)

Structure and Stability of the Hypervalent Na₂CN Molecule:  An Experimental and ab Initio Study

, 1996
Masashi Hashimoto, Keiichi Yokoyama, Hiroshi Kudo, C.H. Wu, Paul von Ragué Schleyer   +4 more
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Targeted degradation of ABCG2 for reversing multidrug resistance by hypervalent bispecific gold nanoparticle-anchored aptamer chimeras.

Chemical Communications, 2023
Hypervalent bispecific gold nanoparticle-anchored aptamer chimeras (AuNP-APTACs) were designed as a new tool of lysosome-targeting chimeras (LYTACs) for efficient degradation of the ATP-binding cassette, subfamily G, isoform 2 protein (ABCG2) to reverse ...
Weihua Lu, Jingran Chen, Zhanchen Guo, Yanyan Ma, Zikuan Gu, Zhen Liu   +5 more
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Hypervalent organobismuth complexes: pathways toward improved reactivity, catalysis, and applications.

Dalton Transactions, 2023
Hypervalent (three-center, four-electron) bonding in organobismuth complexes has been extensively studied due to its ability to affect molecular geometry, dynamic behavior, or to stabilize the ligand scaffold.
J. Hyvl
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Conformational Problems in Organic Hypervalent Molecules

, 1971
Jeremy I. Musher
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Hypervalent Phosphorus(V) Porphyrins with meso-Methoxyphenyl Substituents: Significance of the Number and Position of Methoxy Groups in Promoting Intramolecular Charge Transfer.

Inorganic Chemistry, 2022
To study the photophysical and redox properties as a function of meso-aryl units, a series of hypervalent phosphorus(V) porphyrins, PP(OMe)2·PF6, PMP(OMe)2·PF6, PDMP(OMe)2·PF6, P345TMP(OMe)2·PF6, and P246TMP(OMe)2·PF6, with phenyl (P), 4-methoxyphenyl ...
Jatan K Sharma, Brandon J. Bayard, Nick Zosel, S. Ali, Noah Holzer, V. Nesterov, Paul A. Karr, F. D’Souza, P. Poddutoori   +8 more
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Efficient Synthesis of a Regioregular Oligothiophene Photovoltaic Dye Molecule, MK‐2, and Related Compounds: A Cooperative Hypervalent Iodine and Metal‐Catalyzed Synthetic Route

Chemistry, 2012
Toshifumi Dohi, Nobutaka Yamaoka, Shota Nakamura, Kohei Sumida, Koji Morimoto, Yasuyuki Kita   +5 more
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Addressing the Hypervalent Model: A Straightforward Explanation of Traditionally Hypervalent Molecules

Journal of Chemical Education, 2020
The concept of an atom with an expanded octet, known as hypervalency, has persisted in the general chemistry curriculum, despite abundant theoretical work disputing its veracity.
Benjamin A. Jackson, Jordan Harshman, Evangelos Miliordos   +2 more
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ChemInform Abstract: THE HYPERVALENT MOLECULES SULFURANE (SH4) AND PERSULFURANE (SH6)

Chemischer Informationsdienst, 1975
Gretchen M. Schwenzer, Henry F. Schaefer
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Synthesis, structural characterization and ab initio calculation of dipyridyltetraazathiapentalene: a highly conjugative polycyclic molecule with hypervalent N–S–N bond

, 2002
Rong‐Bin Huang, Xin Lü, Nanfeng Zheng, Zou Yousi, Shun‐Liu Deng, Hui-Ping Zhong, Su‐Yuan Xie, La‐Sheng Long, Lan‐Sun Zheng   +8 more
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Effectively hypervalent molecules. 2. Lithium carbide (CLi5), lithium carbide (CLi6), and the related effectively hypervalent first row molecules, CLi5-nHn and CLi6-nHn

Journal of the American Chemical Society, 1983
Calculs ab initio indiquant des molecules tres stables: energies totales, energies de dissociation. Distributions de charge electronique et conformations: ces molecules ne seraient pas hypervalentes au sens strict, les electrons excedentaires etant mis en jeu dans des liaisons Li ...
Paul v. R. Schleyer, Ernst Ulrich Wuerthwein, Elmar Kaufmann, Timothy Clark, John A. Pople   +4 more
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