Zobrazeno 1 - 10
of 7 885
pro vyhledávání: '"C-H bond"'
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
Publikováno v:
Advanced Science, Vol 11, Iss 36, Pp n/a-n/a (2024)
Abstract Natural photosynthesis enzymes utilize energies of several photons for challenging oxidation of water, whereas artificial photo‐catalysis typically involves only single‐photon excitation. Herein, a multiphoton excitation strategy is repo
Externí odkaz:
https://doaj.org/article/f44ec0dcf61b40c6942788209ac59d36
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:
Beilstein Journal of Organic Chemistry, Vol 20, Iss 1, Pp 427-435 (2024)
The Pd-catalyzed annulative π-extension of 1,8-dibromonaphthalene for the preparation of fluoranthenes in a single operation has been investigated. With specific arenes such as fluorobenzenes, the Pd-catalyzed double functionalization of C–H bonds
Externí odkaz:
https://doaj.org/article/a360979c735f48c2bb897b677eb68e21
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:
Molbank, Vol 2024, Iss 1, p M1796 (2024)
The quinoline derivative, N-(7-chloro-4-morpholinoquinolin-2-yl)benzamide, was synthesized in a conventional three-step procedure from 4,7-dichloroquinoline using a N-oxidation reaction/C2-amide formation reaction/C4 SNAr reaction sequence. The struc
Externí odkaz:
https://doaj.org/article/03cfee118e1a4140858c1b1ccf2a56c7