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Synthesis, Ultra-Short Acting Hypnotic Activity, and Metabolic Profile of Ethyl 8-Oxo-5,6,7,8-tetrahydro-thiazolo[3,2-a] [1,3]diazepin-3-carboxylate (HIE-124)

Kadi, A.A. and Ei-Kashef, H.A. and Abdel-Aziz, A.A.M. and Hassan, G.S. and Tettey, J.N.A. and Grant, M.H. and Lehmann, J. and EI-Subbagh, H.I. (2008) Synthesis, Ultra-Short Acting Hypnotic Activity, and Metabolic Profile of Ethyl 8-Oxo-5,6,7,8-tetrahydro-thiazolo[3,2-a] [1,3]diazepin-3-carboxylate (HIE-124). Archiv der Pharmazie, 341 (2). pp. 81-89. ISSN 0365-6233

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Abstract

The synthesis and biological evaluation of ethyl 8-oxo-5,6,7,8-tetrahydro-thiazolo[3,2-a][1,3]diazepin- 3-carboxylate (HIE-124, 4), as a member of a new generation of ultra-short acting hypnotics is described. HIE-124 4 exhibited potent in-vivo activity with a very rapid onset of action and a shorter duration of action with no acute tolerance or noticeable side effects than thiopental sodium. The rat in-vivo and in-vitro metabolic profile of 4 is also described. Urine was pooled from a number of animals and analyzed using electrospray liquid chromatography mass spectrometry (ESI LC-MS). HIE-124 4 was incubated with rat-liver microsomal and rat-liver hepatocyte preparations then similarly analyzed. The only metabolic product of both in-vitro and in-vivo experiments is the carboxylic acid derivative 5. HIE-124 4 has the potential use not only as a preanesthetic medication and as anesthesia inducer but also has the potential to be used with thiopental sodium to maintain anesthesia for longer duration.

Item type: Article
ID code: 19781
Notes: Abstract also published in: ChemInform (2008), http://dx.doi.org/10.1002/chin.200822174
Keywords: metabolic profile, synthesis, thiazolo[3, 2-a][1, 3]diazepine, ultra-short acting hypnotic, Pharmacy and materia medica
Subjects: Medicine > Pharmacy and materia medica
Department: Faculty of Science > Strathclyde Institute of Pharmacy and Biomedical Sciences
Faculty of Engineering > Bioengineering
Related URLs:
    Depositing user: Strathprints Administrator
    Date Deposited: 03 Jun 2010 18:40
    Last modified: 17 Jul 2013 00:26
    URI: http://strathprints.strath.ac.uk/id/eprint/19781

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