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Nitrazio

Kimikan nitrazio bi erreakzio-klaseri esaten zaie[1].

Batetik azido nitrikoak ezein substraturekin duen erreakzioari esaten zaio, adibidez, glizerinaren esterifikazioa azido nitrikoz nitroglizerina sintetizatzeko. Kasu honetan, nitrogeno-atomoa katea karbonatuaren oxigeno-atomo bati lotzen zaio.

Nitroglizerinaren sintesia

Bestetik, in strictum sensus, kimika organikoan konposatu batean nitro talde bat txertatzeari esaten zaio, etsenplurako, toluenoaren nitrazioa trinitrotoluenoa erdiesteko. Hauetan nitrogeno-atomoa katea karbonatuaren karbono-atomo bati edo beste nitrogeno-atomo bati lotzen zaio[2][3].

Nitrazioaren erreakziobidea, bentzenoaren kasua

Erabilera

In strictum sensus nitrazioak erabilera industrial oparoa du, inportanteena delarik konposatu nitroaromatikoak sintetizatzea, adibidez, nitrobentzenoa. Lehergaien fabrikazioa aspektu inportantea izanik ere, sintesi kimikoan tarteko erreaktibo edo prekurtsore gisa asko usatzen dira nitrokonposatuak.

Erreferentziak

  1. nitrazio. https://zthiztegia.elhuyar.eus/terminoa/eu/nitrazio.
  2. «nitration of benzene and methylbenzene» www.chemguide.co.uk (kontsulta data: 2023-01-15).
  3. Anakabe, Eneritz & Arrasate, Sonia. (2012). Kimika organikoa. EHU, 58 or. ISBN 978-84-9860-672-0..

Kanpo estekak

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