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The pharmacological properties of 1,4-dihydro-1-ethyl-7-phenylpyrrol (1,2-a)-pyrimidine-4-one, a new antipyretic and analgesic drug.

Abstract
The antipyretic, analgesic, antinflammatory and antiulcerogenic properties of a new compound 1,4 dihydro-1-ethyl-7-phenylpyrrol (1,2-a)-pyrimidine-4-one (V33) are described. V33 on a mg/kg basis possesses antipyretic and analgesic properties at doses lower than paracetamol and which do not produce hypothermia or motor impairment. V33 possesses antiinflammatory activity and decreases the production of LTB4 from inflammatory exudates without affecting PGE2 content. V33 is not only devoid of gastric ulcerogenic properties but exerts antiulcer activity toward various ulcerogenic stimuli. Lethal dose 50% (LD50) of V33 is higher that of paracetamol.
AuthorsS Evangelista, R Pirisino, F Perretti, R Fantozzi, S Brunelleschi, P Malmberg-Aiello, A Bartolini
JournalDrugs under experimental and clinical research (Drugs Exp Clin Res) Vol. 13 Issue 8 Pg. 501-8 ( 1987) ISSN: 0378-6501 [Print] SWITZERLAND
PMID2827981 (Publication Type: Journal Article)
Chemical References
  • Analgesics
  • Anti-Inflammatory Agents, Non-Steroidal
  • Benzoquinones
  • Pyrimidinones
  • Quinones
  • 1,4-dihydro-1-ethyl-7-phenylpyrrol(1,2-a)-pyrimidine-4-one
  • Leukotriene B4
  • phenylbenzoquinone
Topics
  • Analgesics (pharmacology, toxicity)
  • Animals
  • Anti-Inflammatory Agents, Non-Steroidal (pharmacology, toxicity)
  • Benzoquinones
  • Dose-Response Relationship, Drug
  • Fever (prevention & control)
  • Humans
  • In Vitro Techniques
  • Leukotriene B4 (biosynthesis)
  • Male
  • Mice
  • Oxygen Consumption (drug effects)
  • Pyrimidinones (pharmacology, toxicity)
  • Quinones (antagonists & inhibitors)
  • Rats
  • Rats, Inbred Strains
  • Reaction Time (drug effects)
  • Stomach Ulcer (chemically induced, prevention & control)

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