pyrrol - Definition. Was ist pyrrol
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Was (wer) ist pyrrol - definition

HETEROCYCLIC AROMATIC ORGANIC COMPOUND CONTAINING A NITROGEN ATOM
Pyrole; Pyrrhole; Pyrrol; Pyrroles; Piloty–Robinson pyrrole synthesis; True Pyrrole; Piloty-Robinson pyrrole synthesis; Pyrrole ring; Pyrhole
  • [[Zwitterion]]ic structure of both proline enantiomers: (''S'')-proline (left) and (''R'')-proline
  • Ciamician–Dennstedt rearrangement
  • Synthesis of pyrroles via Diels–Alder cyclization
  • Heme b
  • The Paal–Knorr pyrrole synthesis
  • Mechanism of biosynthesis of porphobilinogen
  • Figure 1: Structure of Prodigiosin 1 highlighting the A, B, and C pyrrole rings
  • Figure 2: biosynthesis of pyrrole ring A
  • Biosynthesis of pyrrole ring B
  • Vilsmeier–Haack formylation of pyrrole
  • Pyrrole ''C''-metalation
  • Pyrrole DA
  • Pyrrole electrophilic substitution
  • Synthesis of pyrrole via silver click chemistry
  • Synthesis of pyrrole from ammonium mucate
  • Mechanism of the Van Leusen reaction to form pyrroles

Pyrrol         
·noun A nitrogenous base found in coal tar, bone oil, and other distillates of organic substances, and also produced synthetically as a colorless liquid, C4H5N, having on odor like that of chloroform. It is the nucleus and origin of a large number of derivatives. So called because it colors a splinter of wood moistened with hydrochloric acid a deep red.
pyrrole         
['p?r??l]
¦ noun Chemistry a sweet-smelling heterocyclic liquid compound present in bone oil and coal tar.
Origin
C19: from Gk purrhos 'reddish' + L. oleum 'oil'.
Porphobilinogen deaminase         
  • Full PBG Deaminase Mechanism
  • Overall reaction of PB deaminase
MAMMALIAN PROTEIN FOUND IN HOMO SAPIENS
Hydroxymethylbilane synthase; HMBS (gene); EC 2.5.1.61; EC 4.3.1.8; Porphobilinogen:(4-(2-carboxyethyl)-3-(carboxymethyl)pyrrol-2-yl)methyltransferase (hydrolysing)
Porphobilinogen deaminase (hydroxymethylbilane synthase, or uroporphyrinogen I synthase) is an enzyme () that in humans is encoded by the HMBS gene. Porphobilinogen deaminase is involved in the third step of the heme biosynthetic pathway.

Wikipedia

Pyrrole

Pyrrole is a heterocyclic, aromatic, organic compound, a five-membered ring with the formula C4H4NH. It is a colorless volatile liquid that darkens readily upon exposure to air. Substituted derivatives are also called pyrroles, e.g., N-methylpyrrole, C4H4NCH3. Porphobilinogen, a trisubstituted pyrrole, is the biosynthetic precursor to many natural products such as heme.

Pyrroles are components of more complex macrocycles, including the porphyrinogens and products derived therefrom, including porphyrins of heme, the chlorins, bacteriochlorins, and chlorophylls.