aromatic ring

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• aromatic ring — aromatinis žiedas statusas T sritis chemija apibrėžtis Aromatiškumu pasižyminčio junginio žiedas. atitikmenys: angl. aromatic ring rus. ароматическое кольцо …   Chemijos terminų aiškinamasis žodynas

• 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 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

• Simple aromatic ring — Simple aromatic rings, also known as simple arenes or simple aromatics, are aromatic organic compounds that consist only of a conjugated planar ring system with delocalized pi electron clouds. Many simple aromatic rings have trivial names. They… …   Wikipedia

• Basic aromatic ring — Basic aromatic rings are aromatic rings in which the lone pair of electrons of a ring nitrogen atom is not part of the aromatic system and extends in the plane of the ring. This lone pair is responsible for the basicity of these nitrogenous bases …   Wikipedia

• Aromatic amino acids — are amino acids which include an aromatic ring.Examples include: * Among 20 standard amino acids: phenylalanine, tryptophan, and tyrosine * Others: thyroxineee also* Aromatic L amino acid decarboxylaseExternal links* …   Wikipedia

• aromatic — ► ADJECTIVE 1) having an aroma. 2) Chemistry (of an organic compound) containing a flat ring of atoms in its molecule (as in benzene). ► NOUN ▪ an aromatic plant, substance, or compound. DERIVATIVES aromatically adverb …   English terms dictionary

• 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

• 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

• 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