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Targeting γ-Aminobutyric Acid (GABA) Carriers to the Brain: Potential Relevance as Antiepileptic Pro-Drugs

[ Vol. 6 , Issue. 3 ]

Author(s):

Mohammad H. Semreen, Abdel-Nasser El-Shorbagi, Taleb H. Al-Tel and Izzeddin M.M. Alsalahat   Pages 144 - 149 ( 6 )

Abstract:


The search for antiepileptic compounds with more selective activity continues to be an area of intensive investigation in medicinal chemistry. 3,5-Disubstituted tetrahydro-2H-1,3,5-thiadiazine-2-thione (THTT) derivatives, 3a-g, potential prodrugs incorporating the neurotransmitter GABA were synthesized and studied for crossing the blood-brain barrier (BBB). Compounds were prepared from primary amines and carbon disulfide to give dithiocarbamates 2a-g which upon reaction in situ with formaldehyde provided the intermediates Ia-g. Addition of Ia-g onto GABA furnished the title compounds 3a-g. The structures were verified by spectral data and the amounts of the compounds in the brain were investigated by using HPLC. The concentration profiles of the tested compounds in mice brain were determined and the in vivo anticonvulsant activity was measured.

Keywords:

GABA, antiepileptic, pro-drugs, blood brain barrier, tetrahydro-2H-1,3, 5-thiadiazine-2-thione

Affiliation:

College of Pharmacy, University of Sharjah, Sharjah-27272, UAE.



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