Tritoqualine

Chemical compound
  • R06AX21 (WHO)
Identifiers
  • 7-amino-4,5,6-triethoxy-3-(4-methoxy-6-methyl-7,8-dihydro-5H-[1,3]dioxolo[4,5-g]isoquinolin-5-yl)-3H-isobenzofuran-1-one
CAS Number
  • 14504-73-5
PubChem CID
  • 72145
ChemSpider
  • 65119
UNII
  • F4MW5166YH
Chemical and physical dataFormulaC26H32N2O8Molar mass500.548 g·mol−13D model (JSmol)
  • Interactive image
  • CCOC1=C(C(=C(C2=C1C(OC2=O)C3C4=C(C5=C(C=C4CCN3C)OCO5)OC)N)OCC)OCC

Tritoqualine, also known as hypostamine, is an inhibitor of the enzyme histidine decarboxylase and therefore an atypical antihistamine, used for the treatment of urticaria and allergic rhinitis[1] with no known adverse effects.[citation needed]

References

  1. ^ Pradalier A, Hentschel V, Prouzeau S, Legallais D, Lefrancois G (April 2003). "Randomized, placebo controlled study of tritoqualine (hypostamine*) in the treatment of perennial allergic rhinitis". Revue Française d'Allergologie et d'Immunologie Clinique. 43 (3): 175–9. doi:10.1016/S0335-7457(03)00047-9.
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Antihistamines (R06)
Benzimidazoles (*)DiarylmethanesEthylenediaminesTricyclicsOthers
For topical use
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Non-specific
AAADTooltip Aromatic L-amino acid decarboxylase
MAOTooltip Monoamine oxidase
Phenethylamines
(dopamine, epinephrine,
norepinephrine)
PAHTooltip Phenylalanine hydroxylase
THTooltip Tyrosine hydroxylase
DBHTooltip Dopamine beta-monooxygenase
PNMTTooltip Phenylethanolamine N-methyltransferase
  • Inhibitors: CGS-19281A
  • SKF-64139
  • SKF-7698
COMTTooltip Catechol-O-methyl transferase
Tryptamines
(serotonin, melatonin)
TPHTooltip Tryptophan hydroxylase
AANATTooltip Serotonin N-acetyl transferase
ASMTTooltip Acetylserotonin O-methyltransferase
Histamine
HDCTooltip Histidine decarboxylase
  • Substrates→Products: L-Histidine→Histamine
HNMTTooltip Histamine N-methyltransferase
  • Substrates→Products: Histamine→N-Methylhistamine
DAOTooltip Diamine oxidase
  • Substrates→Products: Histamine→Imidazole acetic acid
See also: Receptor/signaling modulators • Adrenergics • Dopaminergics • Melatonergics • Serotonergics • Monoamine reuptake inhibitors • Monoamine releasing agents • Monoamine neurotoxins
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