Zobrazeno 1 - 10
of 2 004
pro vyhledávání: '"C -H Bond Activation"'
Publikováno v:
Advanced Science, Vol 11, Iss 40, Pp n/a-n/a (2024)
Abstract Carbopalladation‐initiated cascade reaction involving 1,4‐Pd migration is a straightforward and powerful approach to activate remote C─H bond, forging versatile fused polycyclic compounds containing fluorene fragment which are highly v
Externí odkaz:
https://doaj.org/article/248bf094bf694a56bdaa70def05fda6f
Autor:
Dongxiao Yue, Hajime Hirao
Publikováno v:
Frontiers in Chemistry, Vol 12 (2024)
Previous theoretical studies have revealed that high-spin states possess flatter potential energy surfaces than low-spin states in reactions involving iron(IV)-oxo species of cytochrome P450 enzymes (P450s), nonheme enzymes, or biomimetic complexes.
Externí odkaz:
https://doaj.org/article/1d8e660aa83946a9a8a90db729365f7d
Publikováno v:
Green Energy & Environment, Vol 9, Iss 3, Pp 529-543 (2024)
Dehydrogenation is considered as one of the most important industrial applications for renewable energy. Cubic ceria-based catalysts are known to display promising dehydrogenation performances in this area. Large particle size (>20 nm) and less surfa
Externí odkaz:
https://doaj.org/article/3c60edeb71b54dc4991d1d303b2c3e09
Publikováno v:
Polyoxometalates, Vol 3, Iss 4, p 9140068 (2024)
Polyoxometalates (POMs) are known for their well-established catalytic properties, particularly in photocatalysis, and have made significant strides in achieving selective C(sp3)−H functionalization. However, due to the complexity of the POM struct
Externí odkaz:
https://doaj.org/article/b38b6e7f86a54a5091e6276f9c2454ed
Autor:
Haolin Chen, Feng Liu
Publikováno v:
Molecules, Vol 29, Iss 22, p 5277 (2024)
The photo-induced aerobic oxidation of C–H bonds has become an increasingly valuable strategy in organic synthesis, offering a green and efficient method for introducing oxygen into organic molecules. The utilization of molecular oxygen as an oxida
Externí odkaz:
https://doaj.org/article/3b792071cf184b5ea2cf4e3aeedce477
Autor:
Irena Efremenko
Publikováno v:
Molecules, Vol 29, Iss 20, p 4788 (2024)
In our recent work, we revisited C–H and C–C bond activation in rhodium (I) complexes of pincer ligands PCP, PCN, PCO, POCOP, and SCS. Our findings indicated that an η3-Csp2Csp3H agostic intermediate acts as a common precursor to both C–C and
Externí odkaz:
https://doaj.org/article/f4c91f7b01c54fe8999aa91226fbcb92
Autor:
Miguel Martínez, David Dalmau, Olga Crespo, Pilar García-Orduña, Fernando Lahoz, Antonio Martín, Esteban P. Urriolabeitia
Publikováno v:
Inorganics, Vol 12, Iss 10, p 271 (2024)
This work aims to amplify the fluorescence of (Z)-4-hetarylidene-5(4H)-oxazolones 1 by suppression of the hula-twist non-radiative deactivation pathway by C^N-orthopalladation of the 4-hetarylidene ring. Different (Z)-4-hetarylidene-2-phenyl-5(4H)-ox
Externí odkaz:
https://doaj.org/article/3fb9b2969525491ebfc13ac61e994353
Publikováno v:
Molecules, Vol 29, Iss 19, p 4541 (2024)
The development of a suitable catalytic system for methane pyrolysis reactions requires a detailed investigation of the activation energy of C-H bonds on catalysts, as well as their stability against sintering and coke formation. In this work, both s
Externí odkaz:
https://doaj.org/article/16a292260ab949d0998c11ea0fbaeef0
Publikováno v:
Molecules, Vol 29, Iss 17, p 4077 (2024)
Recent years have seen increasing interest in uranyl(VI) photocatalysis. In this study, uranyl complexes were successfully synthesized from ligands L1–L6 and UO2(NO3)2·6H2O under reflux conditions, yielding products 1–6 with yields ranging from
Externí odkaz:
https://doaj.org/article/8b47922fe8a94e5099974d550841d99c
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 19, Iss 1, Pp 448-473 (2023)
The last decade has witnessed the emergence of innovative synthetic tools for the synthesis of fluorinated molecules. Among these approaches, the transition-metal-catalyzed functionalization of various scaffolds with a panel of fluorinated groups (XR
Externí odkaz:
https://doaj.org/article/1d2c9624ac3e41789d000a15fcf3d1a4