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*  Flame retardant
In one important class of flame retardants, compounds contain both phosphorus and a halogen. Such compounds include tris(2,3- ... The earliest flame retardants, polychlorinated biphenyls (PCBs), were banned in the U.S. in 1977 when it was discovered that ... Halogenated compounds with aromatic rings can degrade into dioxins and dioxin-like compounds, particularly when heated, such as ... and boron compounds, mostly borates. Organohalogen compounds. This class includes organochlorines such as chlorendic acid ...
*  Persistent organic pollutant
... and polychlorinated biphenyl production. Structurally similar to dioxins, the two compounds share toxic effects. Furans persist ... With synergistic effects, the toxicity of each compound is enhanced (or depressed) by the presence of other compounds in the ... which reconcentrates these chemical compounds to potentially dangerous levels. Compounds that make up POPs are also classed as ... Halogenated compounds also exhibit great stability reflecting the nonreactivity of C-Cl bonds toward hydrolysis and photolytic ...
*  Polychlorinated dibenzofurans
California's Air Toxics "Hot Spots" List (Assembly Bill). Dioxins and dioxin-like compounds Polychlorinated biphenyl " ... Polychlorinated dibenzofurans (PCDFs) are a family of organic compounds with one or several of the hydrogens in the ... Polychlorinated Dibenzofuran and Coplanar Polychlorinated Biphenyl in Healthy Japanese Men. J Health Sci. VOL.47; NO.2; PAGE. ... Polychlorinated dibenzofurans are much more toxic than the parent compounds, with properties and chemical structures similar to ...
*  Dioxins and dioxin-like compounds
Polychlorinated/polybrominated biphenyls (PCBs/PBBs), derived from biphenyl, of which twelve are "dioxin-like". Under certain ... Dioxins and dioxin-like compounds (DLCs) are compounds that are highly toxic environmental persistent organic pollutants (POPs ... polychlorinated biphenyls and other organohalogen compounds in human milk. Levels, correlations, trends and exposure through ... "Persistent organochlorine and organobromine compounds in mother's milk from Sweden 1996-2006: compound-specific temporal trends ...
*  Wurtz-Fittig reaction
... with the use of ultrasound the reaction can also be made useful for the production of biphenyl compounds. Wurtz reaction ... of aryl halides with alkyl halides and sodium metal in the presence of dry ether to give substituted aromatic compounds. The ...
*  Atropisomer
Heteroaromatic analogues of the biphenyl compounds also exist, where hindered rotation occurs about a carbon-nitrogen or a ... The use of axially chiral biaryl compounds such as BINAP, QUINAP and BINOL, have been found to be useful in the area of ... In the example shown, A has priority over B. One way to synthesize these axially chiral biaryl compounds is through a direct ... The atropisomer is an iodoaryl compound synthesised starting from (S)-valine and exists as the (M,S) isomer and the (P,S) ...
*  Aryne
"Aryne coupling" reactions allow for generation of biphenyl compounds which are valuable in pharmaceutical industry, agriculture ... The main drawback of this method is the explosive nature of diazonium compounds. As an example, anthranilic acid can be ... The Bergman cyclization proved to be even more important with the discovery of enediyne "cytostatics", compounds able to cleave ... Georg Wittig and coworkers proposed that the formation of biphenyl via reactions of fluorobenzene and phenyllithium proceeded ...
*  Sphingomonas paucimobilis
... paucimobilis is able to degrade lignin-related biphenyl chemical compounds. George M. Garrity, ed. (July 26, 2005) [1984( ... January 2009 Cloning of a Sphingomonas paucimobilis SYK-6 Gene Encoding a Novel Oxygenase That Cleaves Lignin-Related Biphenyl ...
*  4-Formylphenylboronic acid
... for example in the build up of pharmacologically active biphenyl compounds such as a precursor of the antihypertensive AT1 ... When the aryllithium compound of 1-bromo-4-(diethoxymethyl)benzene is used with triisopropylborate at -78 °C instead of the ... The compound is quite stable and readily forms dimers and cyclic trimeric anhydrides, which complicate purification and tend to ... The formation of the Grignard compound with magnesium requires 1,2-dibromoethane and activation with ultrasound. Reaction with ...
*  2008 Irish pork crisis
Masuda, Y (2003). "Health Effect of Polychlorinated Biphenyls and Related Compounds" (PDF). J Health Sci. 49 (5): 333-336. doi: ... Dioxins and polychlorinated biphenyls (PCBs) are two groups of predominately man-made toxic chemicals which, when consumed, ... It was announced that "dioxins & dioxin like PCBs", a group of highly toxic synthetic halogenated organic compounds, had been ... 2006). Health Risks from Dioxin and Related Compounds: Evaluation of the EPA Reassessment (Report in Brief) (PDF). The National ...
*  XPhos
... is an organophosphorus compound derived from biphenyl. Its palladium complexes exhibit high activity for Buchwald-Hartwig ... Both palladium and copper complexes of the compound exhibit high activity for the coupling of aryl halides and aryl tosylates ...
*  CPhos
... is an organophosphorus compound derived from biphenyl. It is a white solid that is soluble in organic solvents. Its ...
*  SPhos
... is an organophosphorus compound derived from biphenyl. Its palladium complexes exhibit high activity for Suzuki coupling ...
*  Sphingomonas yanoikuyae
Its type strain is JCM 7371 (= GIFU 9882). It is notable for degrading a variety of aromatic compounds including biphenyl, ...
*  List of MeSH codes (D02)
... biphenyl compounds MeSH D02.455.426.559.389.185.060 --- aminobiphenyl compounds MeSH D02.455.426.559.389.185.100 --- benzidines ... trialkyltin compounds MeSH D02.691.850.900.910 --- triethyltin compounds MeSH D02.691.850.900.950 --- trimethyltin compounds ... mustard compounds MeSH D02.455.526.728.468 --- mustard gas MeSH D02.455.526.728.650 --- nitrogen mustard compounds MeSH D02.455 ... bephenium compounds MeSH D02.092.877.096.333 --- bretylium compounds MeSH D02.092.877.096.333.150 --- bretylium tosylate MeSH ...
*  Endocrine disruptor
Polychlorinated biphenyls (PCBs) are a class of chlorinated compounds used as industrial coolants and lubricants. PCBs are ... Fürst P (October 2006). "Dioxins, polychlorinated biphenyls and other organohalogen compounds in human milk. Levels, ... Endocrine disrupting compounds encompass a variety of chemical classes, including drugs, pesticides, compounds used in the ... "Biomonitoring and Elimination of Perfluorinated Compounds and Polychlorinated Biphenyls through Perspiration: Blood, Urine, and ...
*  Infant formula
Fürst P. Dioxins, polychlorinated biphenyls and other organohalogen compounds in human milk. Levels, correlations, trends and ... Nucleotides Nucleotides are compounds found naturally in human breast milk. They are involved in critical metabolic processes, ... Other studies have further found that the levels of most persistent organohalogen compounds in human milk decreased ... such as polychlorinated biphenyls, can bioaccumulate in the food chain and may be found in humans including mothers' breast ...
*  National Pollutant Inventory
... compounds Arsenic & compounds Benzene Benzene hexachloro- (HCB) Beryllium & compounds Biphenyl (1,1-biphenyl) Boron & compounds ... compounds Magnesium oxide Manganese & compounds Mercury & compounds Methanol Methylene diphenyl diisocyanate Methyl ethyl ... compounds Copper & compounds Cumene (1-methylethylbenzene) Cyanide (inorganic) compounds Cyclohexane Di-(2-Ethylhexyl) ... Cadmium & compounds Carbon disulfide Carbon monoxide Chlorine dioxide Chlorine & compounds Chloroethane (ethyl chloride) ...
*  Polychlorinated biphenyl
A polychlorinated biphenyl (PCB) is an organic chlorine compound with the formula C12H10−xClx. Polychlorinated biphenyls were ... Bay mud Organochlorine compound Polybrominated biphenyl Zodiac, a novel by Neal Stephenson which involves PCBs and their impact ... Safe, Stephen; Hutzinger, Otto (1984). "Polychlorinated Biphenyls (PCBs) and Polybrominated Biphenyls (PBBs): Biochemistry, ... some of the hydrogen atoms in biphenyl are replaced by chlorine atoms. There are 209 different chemical compounds in which one ...
*  M-SG reducing agent
Compounds such as biphenyl and naphthalene are reduced by the powder and form highly coloured radical anions. The powder can ... converts benzyl chloride to bibenzyl in a Wurtz coupling and in a similar fashion dibenzothiophene is reduced to biphenyl. ...
*  Loggerhead sea turtle
Ingested plastics release toxic compounds, including polychlorinated biphenyls, which may accumulate in internal tissues. Such ... An iron compound, magnetite, in their brains allows the turtles to perceive the Earth's magnetic field, for navigation. Many ... for loggerheads to reach sexual maturity and the high mortality rates of eggs and young turtles from natural phenomena compound ...
*  Red List building materials
Mercury Polychlorinated biphenyls Perfluorinated compound Phthalates Polyvinyl chloride Polyvinylidene chloride Short Chain ... Chlorinated paraffins Wood treatments containing creosote, arsenic or pentachlorophenol Volatile organic compounds (VOCs) in ...
*  Spiro compound
... from isolated ring compounds like biphenyl that have no connecting atoms, from fused ring compounds like decalin having two ... A spiro compound, or spirane, from the Latin spīra, meaning a twist or coil, is a chemical compound, typically an organic ... Spiro compounds are present throughout the natural world, some cases of which have been exploited to provide tool compounds for ... compound A is called 1-bromo-3-chlorospiro[4.5]decan-7-ol, and compound B is called 1-bromo-3-chlorospiro[3.6]decan-7-ol. Some ...
*  Prokaryotic acetaldehyde dehydrogenase dimerisation domain
It occurs as a late step in the meta-cleavage pathways of a variety of compounds, including catechol, biphenyl, toluene, ...
*  Mercer Rubber Company
Petroleum hydrocarbons Volatile and semi-volatile organic compounds Polychlorinated biphenyls (PCBs), and Metals The site was ...
*  Tapioca balls
Another German study found carcinogenic PCBs, or polychlorinated biphenyls, in the starchy balls as well. But the German ... Over-consumption of these harmful compounds can lead to very serious negative health effects such as endocrine disruption, ...
*  Public health problems in the Aral Sea region
... "exposure to industrial pollutants such as polychlorinated biphenyl (PCB) compounds and heavy metals but also to pesticides." ...