aromatic structure

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• Aromatic-ring-hydroxylating dioxygenases — (ARHD) incorporate two atoms of dioxygen (O2) into their substrates in the dihydroxylation reaction. The product is (substituted) cis 1,2 dihydroxycyclohexadiene, which is subsequently converted to (substituted) benzene glycol by a cis diol… …   Wikipedia

• Aromatic hydrocarbon — Arene redirects here. For other uses, see Arene (disambiguation). An aromatic hydrocarbon or arene[1] (or sometimes aryl hydrocarbon)[2] is a hydrocarbon with alternating double and single bonds between carbon atoms. The term aromatic was… …   Wikipedia

• Aromatic ring current — This article is about aromatic chemistry. For the meteorological effect, see Ring current. A diagram of an aromatic ring current. B0 is the applied magnetic field, the red arrow indicating its direction. The orange ring shows the direction of the …   Wikipedia

• aromatic compound — Chem. an organic compound that contains one or more benzene or equivalent heterocyclic rings: many such compounds have an agreeable odor. [1865 70] * * * Any of a large class of organic compounds whose molecular structure includes one or more… …   Universalium

• Aromatic amine — An aromatic amine is an amine with an aromatic substituent that is NH2, NH or nitrogen group(s) attached to an aromatic hydrocarbon, whose structure usually contains one or more benzene rings. Aniline is an example.Aromatic amines, when… …   Wikipedia

• aromatic — A large family of hydrocarbon compounds based on the benzene structure. Chemists link the name aromatic to the exceptional stability that derives from the benzene structure. See: benzene …   Petroleum refining glossary

• aromatic hydrocarbon — a hydrocarbon that has cyclic structure and a closed conjugated system of double bonds that gives it the characteristic chemical properties of the parent aromatic hydrocarbon, benzene (C6H6); other typical aromatic hydrocarbons are toluene (C7H8) …   Medical dictionary

• aromatic —    An organic compound having as part of its structure a benzene ring. The term “aromatic” as used in the fragrance industry is used to describe essential oils, which are not necessarily in the chemical sense …   Forensic science glossary

• Nucleophilic aromatic substitution — A nucleophilic aromatic substitution is a substitution reaction in organic chemistry in which the nucleophile displaces a good leaving group, such as a halide, on an aromatic ring. There are 6 nucleophilic substitution mechanisms encountered with …   Wikipedia

• Polycyclic aromatic hydrocarbon — An illustration of typical polycyclic aromatic hydrocarbons. Clockwise from top left: benz(e)acephenanthrylene, pyrene and dibenz(ah)anthracene …   Wikipedia

• Electrophilic aromatic substitution — or EAS is an organic reaction in which an atom, usually hydrogen, appended to an aromatic system is replaced by an electrophile. The most important reactions of this type that take place are aromatic nitration, aromatic halogenation, aromatic… …   Wikipedia