19.56 (pKa of conjugate acid in acetonitrile) Pyrrolidine, also known as tetrahydropyrrole, is an organic compound with the molecular formula (CH2)4NH. It is a cyclic secondary amine, also classified as a saturated heterocycle. It is a colourless liquid that is miscible with water and most organic solvents with a characteristic semen-like odor. Co...
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http://en.wikipedia.org/wiki/Pyrrolidine
1. Tetrahydropyrrole;pyrrole to which four H atoms have been added; the structural basis of proline and hydroxyproline. ... 2. A class of alkaloids containing a pyrrolidine moiety or a pyrrolidine derivative. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973
(pir-ol´ĭ-dēn) a simple base obtained from tobacco or prepared from pyrrole.
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http://www.encyclo.co.uk/local/21001
Type: Term Pronunciation: pi-rol′i-dēn Definitions: 1. pyrrole to which four H atoms have been added; the structural basis of proline and hydroxyproline. 2. A class of alkaloids containing a pyrrolidine (1) moiety or a pyrrolidine derivative.
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http://www.medilexicon.com/medicaldictionary.php?t=74548
a colorless, water-soluble, unpleasant smelling, poisonous liquid, CHN, from which proline and certain alkaloids are derived, prepared by reducing pyrrole: used chiefly in organic synthesis.
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https://www.infoplease.com/dictionary/pyrrolidine
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