heterocyclic base

heterocyclic base
heterociklinė bazė statusas T sritis chemija apibrėžtis Pirimidino ar purino darinys, įeinantis į nukleorūgščių sudėtį. atitikmenys: angl. heterocyclic base rus. гетероциклическое основание

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

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  • heterocyclic compound — Any of a class of organic compounds whose molecules contain one or more rings of atoms with at least one atom (the heteroatom) being an element other than carbon, most frequently oxygen, nitrogen, or sulfur. As in regular cyclic hydrocarbons,… …   Universalium

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  • imidazole — A five membered heterocyclic compound occurring in l histidine and other biologically important compounds. i. alkaloids alkaloids containing one or more i. moieties as part of its structure ( E.G., pilocarpine). * * * im·id·az·ole .im ə daz .ōl n …   Medical dictionary

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  • C4H5N — pyrrol pyr rol, pyrrole pyr role, n. [Gr. ? flame colored (from ? fire) + L. oleum oil.] (Chem.) A nitrogenous heterocyclic base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a… …   The Collaborative International Dictionary of English

  • pyrrol — pyr rol, pyrrole pyr role, n. [Gr. ? flame colored (from ? fire) + L. oleum oil.] (Chem.) A nitrogenous heterocyclic base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colorless… …   The Collaborative International Dictionary of English

  • pyrrole — pyrrol pyr rol, pyrrole pyr role, n. [Gr. ? flame colored (from ? fire) + L. oleum oil.] (Chem.) A nitrogenous heterocyclic base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a… …   The Collaborative International Dictionary of English

  • imidazole — noun Etymology: International Scientific Vocabulary Date: 1892 a white crystalline heterocyclic base C3H4N2 that is an antimetabolite related to histidine; broadly any of various derivatives of this …   New Collegiate Dictionary

  • piperazine — noun Etymology: International Scientific Vocabulary piperidine + azine Date: 1889 a crystalline heterocyclic base C4H10N2 used especially as an anthelmintic …   New Collegiate Dictionary

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