Results 1 to 10 of about 46,992 (252)

Data on the sulfur-containing polycyclic aromatic compounds of high-sulfur coal of SW China

open access: yesData in Brief, 2021
The data presented in this article are related to the research paper entitled “Origin and geological implications of super high sulfur-containing polycyclic aromatic compounds in high-sulfur coal” by Zhao et al. [1].
Qiaojing Zhao   +5 more
doaj   +1 more source

7,7-Difluoropentaphen-6(7H)-one

open access: yesMolbank, 2022
A new fluorinated pentaphene derivative has been obtained as a potential precursor for fluorinated polycyclic aromatic hydrocarbons. In this work, 7,7-difluoropentaphen-6(7H)-one was prepared from 1,1-difluoroanthracen-2(1H)-one via the Diels–Alder ...
Ok Ton Dyan, Pavel A. Zaikin
doaj   +1 more source

Biphenylene-containing polycyclic conjugated compounds

open access: yesBeilstein Journal of Organic Chemistry, 2023
There has been a growing emphasis on the synthesis of polycyclic conjugated compounds, driven by their distinct structural characteristics that make them valuable candidates for use in cutting-edge technologies.
Cagatay Dengiz
doaj   +1 more source

Analysis of polycyclic aromatic hydrocarbons (PAHs) and their derivatives in biochar treated stormwater

open access: yesMethodsX, 2023
Polycyclic aromatic hydrocarbons (PAHs), oxygenated PAHs (oxy-PAHs) and nitrogen heterocyclic polycyclic aromatic compounds (N-PACs) are persistent and semi-volatile organic compounds primarily formed due to incomplete combustion of organic material or ...
Alberto Celma   +2 more
doaj   +1 more source

Effects of Pyrolysis Temperature on the Release Characteristics of Polycyclic Aromatic Hydrocarbons during Pyrolysis of Corn Stover Pellet

open access: yesBioResources, 2023
The release characteristics of polycyclic aromatic hydrocarbons during the pyrolysis of biomass remain poorly understood. This study investigated the effects of pyrolysis temperature on the polycyclic aromatic hydrocarbon release characteristics by ...
Lijie Li   +7 more
doaj   +2 more sources

Deep trap sites suppressing space charge injection in polycyclic aromatic compounds doped XLPE composite

open access: yesIET Nanodielectrics, 2020
In this study, the space charge characteristics in the polycyclic aromatic compounds doped cross-linked polyethylene (XLPE) composite were analysed by integration current (Q(t)) method and quantum chemical calculation.
Jin Li   +4 more
doaj   +1 more source

Effect of Polycyclic Compounds Fillers on Electrical Treeing Characteristics in XLPE with DC-Impulse Voltage

open access: yesEnergies, 2019
Electrical tree is an important factor in the threat of the safety of cross-linked polyethylene (XLPE) insulation, eventually leading to the electrical failure of cables. Polycyclic compounds have the potential to suppress electrical treeing growth.
Lewei Zhu, Boxue Du, Hongna Li, Kai Hou
doaj   +1 more source

DFT and Multinuclear NMR Spectroscopy in the Study of Five-Membered Saturated Metallocarbocycles of Main III Group Metals

open access: yesChemistry Proceedings, 2023
Five-membered saturated metallacarbocycles represent a large family of organometallic compounds, which are frequently postulated as reactive intermediates in catalysis or as precursors for the synthesis of a wide range of functionally substituted ...
Tatyana V. Tyumkina, Denis N. Islamov
doaj   +1 more source

Chemistry of strained polycyclic compounds—III [PDF]

open access: yesTetrahedron, 1972
Abstract The synthesis of three bridgehead alcohols, viz. 1-bromo-4-hydroxypentacyclo[4.3.0.0 2,5 .0 3,8 .0 4,7 ]nonan-9-one ethylene ketal ( 8 ), 1-bromo-4-hydroxypentacyclo[4.3.0.0 2,5 .0 3,8 .0 4,7 ]nonane ( 18 ) and 1-bromo-4-hydroxypentacyclo[4.2.0.0 2,5 .0 3,8 .0 4,7 ]octane ( 24 ) is described.
A.J.H. Klunder, B. Zwanenburg
openaire   +2 more sources

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