Results 1 to 10 of about 3,457 (229)
Synthesis and Characterisation of Eight Isomeric Bis(2-pyridyloxy)naphthalenes [PDF]
Molecules, 2006 Eight isomeric bis(2-pyridyloxy)naphthalenes have been prepared from reactions of 2-bromopyridine with the appropriate dihydroxynaphthalene and the products fully characterised by 1- and 2-D NMR spectroscopy.
Peter J. Steel +1 more
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Energy Geoscience, 2023 The influence of origin, depositional environment and thermal maturity of organic matter on the occurrence of aromatic hydrocarbons in source rocks from the central and northwestern Niger Delta was investigated.
Akinsehinwa Akinlua +3 more
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Electrode material promoted dehydrogenative homo-/cross-coupling of weakly activated naphthalenes
Green Synthesis and Catalysis, 2023 Herein, we reported an electrochemical dehydrogenative homo-/cross-coupling of weakly activated naphthalene in the exogenous transition metal- and oxidants-free manner.
Siyuan Liu +7 more
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Towards a Synthesis of Naphthalene Derived Natural Products
Molecules, 2005 Dieckmann-type cyclization reactions have been employed in the synthesis of the alkyl substituted naphthoquinone 11 and the naphthalenes 10 and 12.
R. Barrow, M. McCulloch
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CHEMICAL COMPOSITION OF PETROLEUM FROM KRAPIVINSKOE OILFIELD (MESSAGE 5)
Известия Томского политехнического университета: Инжиниринг георесурсов, 2022 The relevance. Accumulation of data on the structure of asphaltenes of methane-naphthenic oil of the Krapivinskoe oil field from the Upper Jurassic deposits in the territory of the Tomsk region is one of the conditions necessary for solving problems ...
Tatyana V. Cheshkova +3 more
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Saturated and aromatic compounds of highly paraffinic oil and organic deposit
Известия Томского политехнического университета: Инжиниринг георесурсов, 2019 The urgency of the discussed issue is caused by the necessity to obtain the detailed information on the content and composition of hydrocarbons and heteroatomic components in high-paraffinic oils and the asfalto-resin-parafin deposits formed of the ...
Natalia Gerasimova, Elena Kovalenko
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Distributions of Polychlorinated Naphthalenes in Sediments of the Yangtze River, China
Molecules, 2021 The pollution status of polychlorinated naphthalenes (PCNs) in the sediment of the Yangtze River Basin, Asia’s largest river basin, was estimated. The total concentrations of PCNs (mono- to octa-CNs) ranged from 0.103 to 1.631 ng/g.
Zhitong Liu +5 more
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Selenium-Mediated Synthesis of Tetrasubstituted Naphthalenes through Rearrangement
Molecules, 2015 New β-keto ester substituted stilbene derivatives have been synthesized and cyclized with selenium electrophiles in the presence of Lewis acids. This now allows access to 1,2,3,4-tetrasubstituted naphthalene derivatives as cyclization and rearrangement ...
James Tancock, Thomas Wirth
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New Naphthalene Derivatives from the Mangrove Endophytic Fungus Daldinia eschscholzii MCZ-18
Marine DrugsFive new naphthalene derivatives dalesconosides A–D, F (1–4, 6), a known synthetic analogue named dalesconoside E (5), and eighteen known compounds (7–24) were isolated from Daldinia eschscholzii MCZ-18, which is an endophytic fungus obtained from the ...
Zhiyong Xu +6 more
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Isolation and Ionization of 1,1-Dihalogeno-1H-cyclopropa[a]-naphthalene
CHIMIA, 1985 1,1-Difluoro- and 1,1-dichloro-1H-cyclopropa[a]naphthalenes (1a and 1b) are prepared via dehydrohalogenation of the appropriate brominated carbene adducts (2a and 2b, respectively) of 4-bromo-1,2-dihydronaphthalene.
Paul Müller, Huong Can Nguyen Thi
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