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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-06 15:16:52 UTC
Update Date2022-03-07 02:51:58 UTC
HMDB IDHMDB0015407
Secondary Accession Numbers
  • HMDB15407
Metabolite Identification
Common NamePirbuterol
DescriptionPirbuterol is a beta-2 adrenergic bronchodilator. In vitro studies and in vivo pharmacologic studies have demonstrated that pirbuterol has a preferential effect on beta-2 Adrenergic receptors compared with isoproterenol. While it is recognized that beta-2 adrenergic receptors are the predominant receptors in bronchial smooth muscle, data indicate that there is a population of beta-2 receptors in the human heart, existing in a concentration between 10-50%. The precise function of these receptors has not been established. The pharmacologic effects of beta adrenergic agonist drugs, including pirbuterol, are at least in proof attributable to stimulation through beta adrenergic receptors of intracellular adenyl cyclase, the enzyme which catalyzes the conversion of adenosine triphosphate (AlP) to cyclic-3† ,5†-adenosine monophosphate (c-AMP). Increased c-AMP levels are associated with relaxation of bronchial smooth muscle and inhibition of release of mediators of immediate hypersensitivity from cells, especially from mast cells.
Structure
Thumb
Synonyms
ValueSource
3m Brand OF pirbuterol acetateHMDB
2-Hydroxymethyl-3-hydroxy-6-(1-hydroxy-2-tert-butylamino ethyl)pyridine, dihydrochlorideHMDB
PyrbuterolHMDB
MaxairHMDB
Pirbuterol acetate saltHMDB
Pirbuterol sulfateHMDB
Pirbuterol acetateHMDB
Pirbuterol dihydrochlorideHMDB
Chemical FormulaC12H20N2O3
Average Molecular Weight240.2988
Monoisotopic Molecular Weight240.147392516
IUPAC Name6-[2-(tert-butylamino)-1-hydroxyethyl]-2-(hydroxymethyl)pyridin-3-ol
Traditional Namepirbuterol
CAS Registry Number38677-81-5
SMILES
CC(C)(C)NCC(O)C1=NC(CO)=C(O)C=C1
InChI Identifier
InChI=1S/C12H20N2O3/c1-12(2,3)13-6-11(17)8-4-5-10(16)9(7-15)14-8/h4-5,11,13,15-17H,6-7H2,1-3H3
InChI KeyVQDBNKDJNJQRDG-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as hydroxypyridines. These are organic compounds containing a pyridine ring substituted at one or more positions by a hydroxyl group.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyridines and derivatives
Sub ClassHydroxypyridines
Direct ParentHydroxypyridines
Alternative Parents
Substituents
  • Aralkylamine
  • Hydroxypyridine
  • Heteroaromatic compound
  • 1,2-aminoalcohol
  • Secondary alcohol
  • Secondary aliphatic amine
  • Secondary amine
  • Azacycle
  • Aromatic alcohol
  • Alcohol
  • Organic oxygen compound
  • Primary alcohol
  • Organooxygen compound
  • Organonitrogen compound
  • Organic nitrogen compound
  • Organopnictogen compound
  • Amine
  • Hydrocarbon derivative
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water Solubility6.22 g/LNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular Locations
  • Membrane
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB01291 details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB01291 details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB01291
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID4679
KEGG Compound IDC07807
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkPirbuterol
METLIN IDNot Available
PubChem Compound4845
PDB IDNot Available
ChEBI ID724172
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available

Enzymes

General function:
Involved in G-protein coupled receptor protein signaling pathway
Specific function:
Beta-adrenergic receptors mediate the catecholamine- induced activation of adenylate cyclase through the action of G proteins. This receptor binds epinephrine and norepinephrine with approximately equal affinity
Gene Name:
ADRB1
Uniprot ID:
P08588
Molecular weight:
51322.1
References
  1. van Zwieten PA: Receptor-mediated inotropic drugs. Eur Heart J. 1988 Jun;9 Suppl H:85-90. [PubMed:2901958 ]
  2. Kenakin TP, Beek D: Relative efficacy of prenalterol and pirbuterol for beta-1 adrenoceptors: measurement of agonist affinity by alteration of receptor number. J Pharmacol Exp Ther. 1984 May;229(2):340-5. [PubMed:6143816 ]
General function:
Involved in G-protein coupled receptor protein signaling pathway
Specific function:
Beta-adrenergic receptors mediate the catecholamine- induced activation of adenylate cyclase through the action of G proteins. The beta-2-adrenergic receptor binds epinephrine with an approximately 30-fold greater affinity than it does norepinephrine
Gene Name:
ADRB2
Uniprot ID:
P07550
Molecular weight:
46458.3
References
  1. Carie AE, Sebti SM: A chemical biology approach identifies a beta-2 adrenergic receptor agonist that causes human tumor regression by blocking the Raf-1/Mek-1/Erk1/2 pathway. Oncogene. 2007 May 31;26(26):3777-88. Epub 2007 Jan 29. [PubMed:17260025 ]
  2. Leier CV, Nelson S, Huss P, Bianchine JR, Olukotun AY, Taylor CR, Salzburg DS: Intravenous pirbuterol. Clin Pharmacol Ther. 1982 Jan;31(1):89-94. [PubMed:7053311 ]
  3. Hamdad N, Ming Z, Parent R, Lavallee M: Beta 2-adrenergic dilation of conductance coronary arteries involves flow-dependent NO formation in conscious dogs. Am J Physiol. 1996 Nov;271(5 Pt 2):H1926-37. [PubMed:8945911 ]
  4. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. [PubMed:11752352 ]