A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA, thymine, uracil and cytosine

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  • Pyrimidine — Structure de la pyrimidine Général Nom IUPAC Pyrimidine …   Wikipédia en Français

  • pyrimidine — [ pirimidin ] n. f. • fin XIXe; all. Pyrimidin (1855); de pyridine et (a)mid(e) ♦ Biochim. Substance azotée dont la structure comporte une chaîne fermée, à 6 atomes, de formule C4H4N2. ● pyrimidine nom féminin Dénomination courante du composé… …   Encyclopédie Universelle

  • pyrimidine — [pə rim′ə dēn΄, pīrim′ə dēn΄; pir′ə mə dēn΄] n. [Ger pyrimidin < pyridin: see PYRIDINE] 1. a colorless, liquid, crystalline organic compound, C4H4N2, the fundamental form of a group of bases, some of which are constituents of nucleic acid 2.… …   English World dictionary

  • pyrimidine — pyrimidine. См. пиримидин. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Pyrimidine — chembox ImageFile=Pyrimidine chemical structure.png ImageSize=368px IUPACName=pyrimidine OtherNames= Section1= Chembox Identifiers CASNo=289 95 2 PubChem=9260 SMILES=C1=CN=CN=C1 MeSHName=pyrimidine Section2= Chembox Properties Formula=C4H4N2… …   Wikipedia

  • Pyrimidine — Dieser Artikel wurde aufgrund von Mängeln auf der Qualitätssicherungsseite der Redaktion Chemie eingetragen. Dies geschieht, um die Qualität der Artikel aus dem Themengebiet Chemie auf ein akzeptables Niveau zu bringen. Dabei können Artikel… …   Deutsch Wikipedia

  • pyrimidine — /puy rim i deen , pi , pir euh mi deen , din/, n. Biochem. 1. a heterocyclic compound, C4H4N2, that is the basis of several important biochemical substances. 2. one of several pyrimidine derivatives, esp. the bases cytosine, thymine, and uracil,… …   Universalium

  • Pyrimidine — One of the two classes of bases in DNA and RNA. The pyrimidine bases are thymine (T) and cytosine (C) in DNA and thymine (T) and uracil (U) in RNA. * * * 1,3 Diazine; a heterocyclic substance, the formal parent of several “bases” present in… …   Medical dictionary

  • pyrimidine — noun Etymology: International Scientific Vocabulary, alteration of pyridine Date: 1885 1. a feeble organic base C4H4N2 of penetrating odor 2. a derivative of pyrimidine; especially a base (as cytosine, thymine, or uracil) that is a constituent of …   New Collegiate Dictionary

  • pyrimidine — (pi rim i dĭn) A basic, heterocyclic, nitrogen containing molecule with one ring that occurs in nucleic acids and other cell constituents; pyrimidines are oxy or amino derivatives of the pyrimidine skeleton. The most important pyrimidines are… …   Dictionary of microbiology

  • pyrimidine — (= 1,3 diazine) A heterocyclic 6 membered ring, planar and aromatic in character. The parent compound of the pyrimidine bases of nucleic acid …   Dictionary of molecular biology

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