Thermal rearrangements of aromatic hydrocarbons have been shown to be important in areas of chemical research and industry ... Thermal rearrangements of aromatic hydrocarbons are considered to be unimolecular reactions that directly involve the atoms of ... Thermal rearrangements of aromatic hydrocarbons are generally carried out through flash vacuum pyrolysis (FVP). In a typical ... Many of the polycyclic aromatic hydrocarbons known to be tumorigenic or mutagenic are found in atmospheric aerosols, which is ...
Wikimedia Commons has media related to Polycyclic aromatic hydrocarbons. ATSDR - Toxicity of Polycyclic Aromatic Hydrocarbons ( ... Polycyclic Aromatic Hydrocarbon Fact Sheet Understanding Polycyclic Aromatic Hydrocarbons NASA Spitzer Space Telescope "The ... A polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. The ... The terms polyaromatic hydrocarbon, or polynuclear aromatic hydrocarbon (abbreviated as PNA) are also used for this concept. By ...
Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons ... "Relative Potencies of Individual Chlorinated and Brominated Polycyclic Aromatic Hydrocarbons for Induction of Aryl Hydrocarbon ... Chlorinated polycyclic aromatic hydrocarbons are generated by combustion of organic compounds. Cl-PAHs enter the environment ... One of the well-established mechanisms by which chlorinated polycyclic aromatic hydrocarbons can exert their toxic effects is ...
"Electron transfer from aromatic hydrocarbons and their pi-complexes with metals. Comparison of the standard oxidation ... With a simple proton NMR spectrum comprising two signals due to the 2 aromatic hydrogens (2H) and four methyl groups (12H), ... Röhrscheid, F. (2012). "Carboxylic Acids, Aromatic". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a05_ ... Hydrocarbons obtained by the action of methyl chloride on benzene in the presence of aluminum chloride]. Chem. Ber. 12: 329-332 ...
"Chlorinated Benzenes and other Nucleus-Chlorinated Aromatic Hydrocarbons" Ullmann's Encyclopedia of Industrial Chemistry, 2012 ... Chlorobenzene is an aromatic organic compound with the chemical formula C6H5Cl. This colorless, flammable liquid is a common ... Gerald Booth (2007). "Nitro Compounds, Aromatic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi: ... "Chlorinated Hydrocarbons". Ullmann's Encyclopedia of Industrial Chemistry. doi:10.1002/14356007.a06_233.pub2. ISBN 3527306730. ...
Polycyclic aromatic hydrocarbons). ... Cyclacenes are hoop-like polycyclic compounds where aromatic ...
polycyclic aromatic hydrocarbons. The ferromagnesian minerals are isolated and show no signs of alteration. Because of their ...
Non-aromatic hydrocarbons. As of 2009 these had become the most commonly used drilling fluids; eliminating the aromatics ... Fluids used include water, ethanol/water and water/ethylene glycol mixtures, petroleum fuels, non-aromatic hydrocarbons, and n- ... They are inexpensive and easily available, and were once in common use; disadvantages include flammability and the aromatics ...
Polycyclic aromatic hydrocarbons • Radioactive contamination • Volatile organic compounds Waste - Electronic waste • Great ... Hydrocarbons • Perchlorate • Pesticides • Persistent organic pollutant • PBBs • PBDEs • Toxic heavy metals • PCB • Dioxin • ...
"Aromatic Hydrocarbons as Ligands. Recent Advances in the Synthesis, the Reactivity and the Applications of Bis(η6-arene) ... and polycyclic aromatic compounds (e.g. naphthalene). Also known as reductive Friedel-Crafts reaction, the Fischer-Hafner ...
Cook, J. W. (1931). "CCCL - Polycyclic aromatic hydrocarbons. Part VI. 3 : 4-Benzphenanthrene and its quinone". J. Chem. Soc.: ... Olympicene has 18 pi electrons in its ring system; as it is a flat molecule, this makes it an aromatic molecule. The central ... The structure of overcrowded aromatic compounds. Part VI. The crystal structure of benzo[c]phenanthrene and of 1,12- ... Polycyclic aromatic hydrocarbons, 2012 Summer Olympics, Olympic culture). ...
... aliphatic and aromatic hydrocarbons; sulfonic and phosphonic acids; amino, hydroxycarboxylic, and carboxylic acids; purines and ... has revealed that the interstellar medium contains a suite of complex gas-phase carbon compounds called aromatic hydrocarbons, ...
"Microbes biodegrade aromatic hydrocarbons". Biosphere Plastic. Retrieved 20 May 2011. "Oxo-degradable plastics: do they ...
Pampaloni, G. (2010). "Aromatic hydrocarbons as ligands. Recent advances in the synthesis, the reactivity and the applications ...
Polynuclear aromatic hydrocarbons (PAHs) are aromatic hydrocarbons that consist of fused aromatic rings and do not contain ... Chlorophyll also has a similar aromatic system. Aromatic compounds are important in industry. Key aromatic hydrocarbons of ... and polycyclic aromatic hydrocarbons", are organic compounds containing one or more aromatic rings. The word "aromatic" ... "Polycyclic Aromatic Hydrocarbons (PAHs)". Agency for Toxic Substances and Disease Registry. 1996. Media related to aromatic ...
... hydrocarbons • and polycyclic aromatic hydrocarbons • other acute and chronic toxicants In many cases, huge ponds sit with very ... silt and clay mixed with leftover hydrocarbons and other toxic substances. Tailings are being created at a rate of 2,000 or so ...
Polycyclic aromatic hydrocarbons (PAHs), aldehydes, volatile organic compounds (VOCs), phenolic compounds, flavors, tobacco ... polycyclic aromatic hydrocarbons; GS-MS, gas chromatography - mass spectrometry; ICP-MS, inductively coupled plasma - mass ...
3-20, doi:10.1007/b94489, ISBN 978-3-540-36967-7, retrieved 2022-11-30 Pampaloni, Guido (2010-03-01). "Aromatic hydrocarbons as ... There have been a lot of efforts in trying to react indium subhalides with different kinds of hydrocarbons, but no reaction ... Despite the fact that thallium(I) tetrahalometalates are soluble in aromatic solvents, these Tl(I)-arene complexes are very ...
Pampaloni, Guido (2010). "Aromatic hydrocarbons as ligands. Recent advances in the synthesis, the reactivity and the ... The molecule is aromatic and avoids exceeding the octet on carbon by having only a total of six electrons in the five bonds ... It is an aromatic compound, with six π electrons (satisfying Hückel's rule) delocalised over a cyclic planar system; each of ... It forms orange-yellow 1:1 adduct with picryl chloride, probably due to π-stacking of the aromatic systems. Oxidation with ...
Polycyclic aromatic hydrocarbons, long carbon-chain molecules such as polyynes, and fullerenes are all potentially important. ... The origin of most DIBs remains unknown, with common suggestions being polycyclic aromatic hydrocarbons and other large carbon- ... Kroto, H. W. (1987). Leger, Alain (ed.). Chains and Grains in Interstellar Space (PDF). Polycyclic Aromatic Hydrocarbons and ... "Ultrafast Studies on the Photophysics of Matrix-Isolated Radical Cations of Polycyclic Aromatic Hydrocarbons". The Journal of ...
Cerniglia, Carl E. (1992). "Biodegradation of polycyclic aromatic hydrocarbons". Biodegradation. 3 (2-3): 351-368. doi:10.1007/ ... Typical stoichiometries for the hydroxylation of a generic hydrocarbon are these: 2 R 3 C − H + O 2 ⟶ 2 R 3 C − OH {\ ...
Many studies have been conducted using polycyclic aromatic hydrocarbons (PAH), which are low molecular hydrocarbons found in ... When an aromatic hydrocarbon was introduced to the molecular oxygen in experimental conditions, a dihydrodiol intermediate was ... The creosote (often called "creosote oil") consists almost wholly of aromatic hydrocarbons, with some amount of bases and acids ... Elder, JF; Dresler, PV (1988). "Accumulation and bioconcentration of polycyclic aromatic hydrocarbons in a nearshore estuarine ...
As an aromatic hydrocarbon, naphthalene's structure consists of a fused pair of benzene rings. It is the main ingredient of ... "Polycyclic Aromatic Hydrocarbons (PAHs)" (PDF). Naphthalene is a PAH that is produced commercially in the US Blue Book, P-14.4 ... Naphthalene is an organic compound with formula C 10H 8. It is the simplest polycyclic aromatic hydrocarbon, and is a white ... naphthalene is classified as a benzenoid polycyclic aromatic hydrocarbon (PAH). The eight carbon atoms that are not shared by ...
Many species are also capable of oxidizing polycyclic aromatic hydrocarbons, a class of stable organic molecules that tends to ... Cerniglia, Carl E. (1992). "Biodegradation of polycyclic aromatic hydrocarbons". Biodegradation. 3 (2-3): 351-368. doi:10.1007/ ... Aryl hydrocarbon hydroxylase activity in the fungus Cunninghamella bainieri: Evidence for the presence of cytochrome P-450. J.P ...
Most aromatic hydrocarbons are benzenoid. Notable counterexamples are cyclooctadecanonaene, azulene and trans-bicalicene. ... Quinoid Aromatic compound Tomlinson, Muriel (1971). An Introduction to the Chemistry of Benzenoid Compounds (1st ed.). Elsevier ... Articles with short description, Short description is different from Wikidata, Aromatic compounds). ...
Harvey, G. R. (1991). Polycyclic Aromatic Hydrocarbons: Chemistry and Carcinogenicity. Cambridge, UK: Cambridge University ...
Lewis, Irwin C.; T. Edstrom (1963). "Thermal Reactivity of Polynuclear Aromatic Hydrocarbons". The Journal of Organic Chemistry ... Inaba, S (1982). "Metallic nickel as a reagent for the coupling of aromatic and benzylic halides". Tetrahedron Letters. 23 (41 ...
Benzo[c]fluorene is a polycyclic aromatic hydrocarbon (PAH) with mutagenic activity. It is a component of coal tar, cigarette ... Seto H, Ohkubo T, Kanoh T, Koike M, Nakamura K, Kawahara Y (1993). "Determination of polycyclic aromatic hydrocarbons in the ... Benzo[c]fluorene belongs to a group of compounds called polycyclic aromatic hydrocarbons (PAHs). PAHs and their derivatives are ... Development of a Relative Potency Factor (RPF) Approach for Polycyclic Aromatic Hydrocarbon (PAH) Mixtures (External Review ...
One significant compound the bacteria can biodegrade is benzo(a)pyrene (BaP). BaP is a polycyclic aromatic hydrocarbon (PAH), ... Some Non-heterocyclic Polycyclic Aromatic Hydrocarbons and Some Related Exposures. ISBN 978-92-832-1292-8. Bisht, Sandeep; ... "Anaerobic degradation of polycyclic aromatic hydrocarbons". FEMS Microbiology Ecology. 49 (1): 27-36. doi:10.1016/j.femsec. ... pyrene by a novel Cellulosimicrobium cellulans CWS2 isolated from polycyclic aromatic hydrocarbon-contaminated soil". Brazilian ...
In February 2014, NASA announced a greatly upgraded database for tracking polycyclic aromatic hydrocarbons (PAHs), including ... They belong to the chemical class of polycyclic aromatic hydrocarbons. Related compounds include cyclopentapyrenes, ... "Polycyclic aromatic hydrocarbons in grilled food". J Agric Food Chem. 31 (4): 867-873. doi:10.1021/jf00118a049. PMID 6352775. ... Benzopyrene is a component of pitch and occurs together with other related pentacyclic aromatic species such as picene, ...