mesoionic

of, or relating to a mesoionic compound

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  • Mesoionic — chemical compounds are dipolar five or six membered heterocyclic compounds in which both the negative and the positive charges are delocalized. A completely uncharged structure cannot be written and mesoionic compounds cannot be represented… …   Wikipedia

  • mesoionic compound — mezojoninis junginys statusas T sritis chemija apibrėžtis Dipolinis penkianaris heterociklinis junginys, kurio struktūros negalima pavaizduoti įprastine kovalentine formule. atitikmenys: angl. mesoionic compound rus. мезоионное соединение …   Chemijos terminų aiškinamasis žodynas

  • mesoionic compound — noun any of a class of compounds having five membered ring heterocycles (or their benzo derivatives) which possess a sextet of π electrons in association with the atoms comprising the ring, but which cannot be represented by any one covalent or… …   Wiktionary

  • Sydnone — is a mesoionic heterocyclic aromatic chemical compound. A sydnone imine in which the keto group of sydnone (=O) has been replaced with an imino (=NH) group can be found as a substructure in the stimulant drugs feprosidnine and mesocarb. Chemical… …   Wikipedia

  • Sydnone imine — is a mesoionic heterocyclic aromatic chemical compound. Sydnone imine is the imine of sydnone where the keto functional group of sydnone (=O) has been replaced with an imine (=NH) group. A sydnone imine substructure can be found in the stimulant… …   Wikipedia

  • Delocalized electron — Benzene, with the delocalization of the electrons indicated by the circle. In chemistry, delocalized electrons are electrons in a molecule, ion or solid metal that are not associated with a single atom or one covalent bond. [ …   Wikipedia

  • Mesocarb — Systematic (IUPAC) name 5 (Phenylcarbamoylimino) 3 (1 phenylpropan 2 yl) 5H 1,2,3 oxadiazol 3 ium 2 ide Clinical data Pregnancy cat …   Wikipedia

  • Feprosidnine — Drugbox IUPAC name = 5 Imino 3 (1 phenylpropan 2 yl) 5 H 1,2,3 oxadiazol 3 ium 2 ide width= 200 CAS number= 3441 64 3 ATC prefix= ATC suffix= PubChem= 72088 DrugBank= C=11 | H=13 | N=3 | O=1 molecular weight = 203.24 g/mol bioavailability=… …   Wikipedia

  • Molsidomine — IUPAC name 1 Ethoxy N (3 morpholino 5 oxadiazol 3 iumyl)methanimidate …   Wikipedia

  • sydnone — noun Any of a class of 1,2,3 oxadiazoles having an oxygen atom attached to the 5 position; they are mesoionic …   Wiktionary

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