Synthesis and structure-activity relationships of phenothiazine carboxylic acids having pyrimidine-dione as novel histamine H(1) antagonists.
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Kubota K, Kurebayashi H, Miyachi H, Tobe M, Onishi M, Isobe Y
Synthesis and structure-activity relationships of phenothiazine carboxylic acids having pyrimidine-dione as novel histamine H(1) antagonists.
Bioorg Med Chem Lett. 2009 May 15;19(10):2766-71. doi: 10.1016/j.bmcl.2009.03.124. Epub 2009 Mar 28.
- PubMed ID
- 19362477 [ View in PubMed]
- Abstract
A series of phenothiazine carboxylic acid derivatives, having 6-amino-pyrimidine-2,4(1H,3H)-dione moiety via a appropriate linker, were synthesized and evaluated for their affinity toward human histamine H(1) receptor and Caco-2 cell permeability. Selected compounds were further evaluated for their oral anti-histaminic activity in mice and bioavailability in rats. Finally, promising compounds were examined for their anti-inflammatory potential in mice OVA-induced biphasic cutaneous reaction model. Among the compounds tested, phenothiazineacetic acid compound 27 showed both histamine H(1)-receptor antagonistic activity and anti-inflammatory activity in vivo model.
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- Binding Properties
Drug Target Property Measurement pH Temperature (°C) Fexofenadine Histamine H1 receptor IC 50 (nM) 78 N/A N/A Details