vicinal substituents

vicinal substituents
vicinaliniai pakaitai statusas T sritis chemija apibrėžtis Pakaitai prie gretimų atomų. atitikmenys: angl. vicinal substituents rus. вицинальные заместители

Chemijos terminų aiškinamasis žodynas – 2-asis patais. ir papild. leid. – Vilnius: Mokslo ir enciklopedijų leidybos institutas. . 2003.

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  • Vicinal (chemistry) — In chemistry vicinal (from Latin vicinus = neighbour) stands for any two functional groups bonded to two adjacent carbon atoms. For example the molecule 2,3 dibromobutane carries two vicinal bromine atoms and 1,3 dibromobutane does not.Likewise… …   Wikipedia

  • vicinal — [ vɪsɪn(ə)l, vɪ sʌɪn(ə)l] adjective 1》 neighbouring; adjacent. 2》 Chemistry relating to or denoting substituents attached to adjacent atoms in a ring or chain. Origin C17: from Fr., or from L. vicinalis, from vicinus neighbour …   English new terms dictionary

  • vicinaliniai pakaitai — statusas T sritis chemija apibrėžtis Pakaitai prie gretimų atomų. atitikmenys: angl. vicinal substituents rus. вицинальные заместители …   Chemijos terminų aiškinamasis žodynas

  • вицинальные заместители — vicinaliniai pakaitai statusas T sritis chemija apibrėžtis Pakaitai prie gretimų atomų. atitikmenys: angl. vicinal substituents rus. вицинальные заместители …   Chemijos terminų aiškinamasis žodynas

  • Hyperconjugation — In organic chemistry, hyperconjugation is the interaction of the electrons in a sigma bond (usually C–H or C–C) with an adjacent empty (or partially filled) non bonding p orbital or antibonding π orbital or filled π orbital, to give an extended… …   Wikipedia

  • organohalogen compound — Introduction  any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… …   Universalium

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  • Cis-trans isomerism — In chemistry, cis trans isomerism or geometric isomerism or configuration isomerism is a form of stereoisomerism describing the orientation of functional groups within a molecule. In general, such isomers contain double bonds, which cannot rotate …   Wikipedia

  • Alkene — This article is about the chemical compound. For the material, see Olefin fiber. Not to be confused with Alkane or Alkyne. A 3D model of ethylene, the simplest alkene. In organic chemistry, an alkene, olefin, or olefine is an unsaturated ch …   Wikipedia

  • Cis–trans isomerism — Cis but 2 ene Trans but 2 ene In organic che …   Wikipedia

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