Heteroatom

Piridin je heterociklično jedinjenje čiji heteroatom je azot.

U oraganskoj hemiji, heteroatom (od antičkog grčkog heteros, različit, + atomos) je svaki atom koji nije ugljenik ili vodonik. Obično se ovaj termin odnosi na atome koji zamenjuju ugljenik u molekulskim strukturama. Tipični heteroatomi su azot, kiseonik, sumpor, fosfor, hlor, brom, i jod.[1][2]

U opisu proteinske strukture, specifično u fajl formatu Proteinske banke podataka, heteroatomski record (HETATM) označava atom koji pripada malom molekulu (npr. kofaktoru) umesto biopolimernog lanca.[3]

Reference

  1. ^ Senda Y (2002). „Role of the heteroatom on stereoselectivity in the complex metal hydride reduction of six-membered cyclic ketones”. Chirality. 14 (2–3): 110—20. PMID 11835553. doi:10.1002/chir.10051. 
  2. ^ Walling, Cheves (1968). „The Role of Heteroatoms in Oxidation”. Oxidation of Organic Compounds. Advances in Chemistry. 75. стр. 166—173. ISBN 9780841200760. doi:10.1021/ba-1968-0075.ch013. 
  3. ^ „Atomic Coordinate Entry Format Version 3.2”. wwPDB. 2008. Архивирано из оригинала 14. 08. 2011. г. Приступљено 09. 08. 2011. 

Literatura

Потражите Heteroatom у Викиречнику, слободном речнику.

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