Alkylated polycyclic aromatic hydrocarbons (APAHs) are abundant in petroleum, but data regarding their toxicological properties are limited. A survey of all monomethylated phenanthrene structures revealed that they were 2 times to 5 times more potent than phenanthrene for activation of human aryl hydrocarbon receptor in a yeast bioassay.
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Synthesis. Phenanthroline may be prepared by two successive Skraup reactions of glycerol with o-phenylenediamine, catalyzed by sulfuric acid, and an oxidizing agent, traditionally aqueous arsenic acid or nitrobenzene. Dehydration of glycerol gives acrolein which condenses with the amine followed by a cyclization. Coordination chemistry. In terms of its coordination properties, phenanthroline.PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.Opium (or poppy tears, scientific name: Lachryma papaveris) is dried latex obtained from the seed capsules of the opium poppy Papaver somniferum. Approximately 12 percent of opium is made up of the analgesic alkaloid morphine, which is processed chemically to produce heroin and other synthetic opioids for medicinal use and for illegal drug trade.The latex also contains the closely related.
Using this Grignard reagent, triphenylmethanol can be synthesized in a two-step reaction first adding the reagent and then adding an acid. The Grignard reagent attack the electrophilic carbonyl carbon of the benzophenone and pushed electrons up to the oxygen.Read More
Phenol, any of a family of organic compounds characterized by a hydroxyl group attached to a carbon atom that is part of an aromatic ring. Besides serving as the generic name for the entire family, the term phenol is also the specific name for its simplest member, monohydroxybenzene, also known as benzenol.Read More
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Investigatory Project Essay Sample. Our country is now besieged by many crises. Nobody can deny the rampant effects of Dengue, Malaria, and Filariasis all brought by mosquitoes, to our community. Moreover, the rapid growth of infections brought by ants and cockroaches on skin and also on food.Read More
Abstract. Ever since benzo (a) pyrene (BaP) 1 was recognized as a carcinogen, at the beginning of this century, the presence of it and of other polycyclic aromatic hydrocarbons (PAH) in the environment has received continuous attention. As a result numerous reviews have been published, the most recent ones being the following: Andelman and Suess (1970), U.S. NATIONAL ACADEMY OF SCIENCES (US.Read More
Phenanthrene is a polycyclic aromatic hydrocarbon composed of three fused benzene rings--as the above formula shows. Phenanthrene has five resonance structures, given below. Reactions of phenanthrene typically occur at the 9 and 10 positions.Read More
Naphthalene diimides, which have for a long time been in the shadow of their higher homologues the perylene diimides, currently belong to the most investigated classes of organic compounds. This is primarily due to the initial synthetic studies on core functionalization that were carried out at the beginning of the last decade, which facilitated diverse structural modifications of the.Read More
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