pyrrole

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pyrrole

 [pir´ōl]
a basic, cyclic substance, obtained by destructive distillation of various animal substances.

pyr·role

(pir'ōl),
Divinylenimine; a heterocyclic compound found in many biologically important substances, for example, heme.
Synonym(s): azole, imidole

pyrrole

/pyr·role/ (pir´ōl)
1. a toxic, basic, heterocyclic compound; obtained by destructive distillation of various animal substances and used in the manufacture of pharmaceuticals. Pyrrole.
2. a substituted derivative of this structure.

pyrrole

(pîr′ōl′)
n.
1. A five-membered heterocyclic ring compound, C4H5N, having an odor similar to chloroform, that is the parent compound of protoporphyrin.
2. Any of various derivatives of this compound.

pyr·ro′lic (pĭ-rō′lĭk) adj.

pyrrole (C4H4NH)

[pirōl′, pir′ōl]
Etymology: Gk, pyrrhos, red
a five-membered heterocyclic aromatic substance occurring naturally in many compounds in the body. Heme and porphyrin are pyrrole derivatives.

pyr·role

(pir'ōl)
A heterocyclic compound found in many biologically important substances.
Synonym(s): azole, imidole.

pyrrole

a porphyrin building block that has a five-membered heterocyclic structure and contains nitrogen.

pyrrole

a basic, cyclic substance, obtained by destructive distillation of various animal substances. Critical components in the synthesis of porphyrins.