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Studies on heterocyclic compounds: 1,3-thiazolidin-4-one derivatives. V. Pharmacological activity of substituted 2-phenyl-3-(N,N-dimethylaminoprophyl)-1,3-thiazolidin-4-one . 1991

M V Diurno, and E Piscopo, and O Mazzoni, and A Calignano
Department of Pharmaceutical and Toxicological Chemistry, Faculty of Pharmacy, University of Naples Federico II.

The following 2-substituted phenyl-3-(N,N-dimethylaminopropyl)-1,3-thiazolidin-4-one of general formula (A): [formula: see text] where: X = H (I), 3-F (II), 3-Cl (III), 3-Br (IV), 3-CH3 (V), 3-OCH3 (VI), 3-NO2 (VII), 4-F (VIII), 4-Cl (IX), 4-Br (X), 4-CH3 (XI), 4-OCH3 (XII), 4-NO2 (XIII) were prepared and tested for antihistamine activity. The synthetic procedure involves the cyclocondensation of the appropriate Schiff base with thioglycolic acid in refluxing dry benzene. The compounds herein presented were tested for their ability to inhibit the contraction inducted by histamine 5.10(-7) M "in vitro", on guinea pig ileum. The results are reported as contraction of test compound causing 50% of submaximal contraction induced by histamine (IC50), and related to mepyramine as control. The results of the antihistamine tests showed an interesting degree of activity of some of the new thiazolidinone-derivatives. Compounds II, III, V, X, and XI showed IC50 values near the value of the control, compound XI being the most active. These compounds seem to be worthy of further investigation.

UI MeSH Term Description Entries
D007082 Ileum The distal and narrowest portion of the SMALL INTESTINE, between the JEJUNUM and the ILEOCECAL VALVE of the LARGE INTESTINE.
D008297 Male Males
D009119 Muscle Contraction A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments. Inotropism,Muscular Contraction,Contraction, Muscle,Contraction, Muscular,Contractions, Muscle,Contractions, Muscular,Inotropisms,Muscle Contractions,Muscular Contractions
D009130 Muscle, Smooth Unstriated and unstriped muscle, one of the muscles of the internal organs, blood vessels, hair follicles, etc. Contractile elements are elongated, usually spindle-shaped cells with centrally located nuclei. Smooth muscle fibers are bound together into sheets or bundles by reticular fibers and frequently elastic nets are also abundant. (From Stedman, 25th ed) Muscle, Involuntary,Smooth Muscle,Involuntary Muscle,Involuntary Muscles,Muscles, Involuntary,Muscles, Smooth,Smooth Muscles
D011738 Pyrilamine A histamine H1 antagonist. It has mild hypnotic properties and some local anesthetic action and is used for allergies (including skin eruptions) both parenterally and locally. It is a common ingredient of cold remedies. Mepyramine,Pyranisamine,Anthisan,Boots Bite & Sting Relief,Kriptin,Mepyramine Maleate,Pyrilamine Maleate,Maleate, Mepyramine,Maleate, Pyrilamine
D005260 Female Females
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D006632 Histamine An amine derived by enzymatic decarboxylation of HISTIDINE. It is a powerful stimulant of gastric secretion, a constrictor of bronchial smooth muscle, a vasodilator, and also a centrally acting neurotransmitter. Ceplene,Histamine Dihydrochloride,Histamine Hydrochloride,Peremin
D006633 Histamine Antagonists Drugs that bind to but do not activate histamine receptors, thereby blocking the actions of histamine or histamine agonists. Classical antihistaminics block the histamine H1 receptors only. Antihistamine,Antihistamines,Histamine Antagonist,Antagonist, Histamine,Antagonists, Histamine
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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