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Eur J Med Chem. 2009 Feb;44(2):473-81. doi: 10.1016/j.ejmech.2008.04.006. Epub 2008 Apr 27.

Evaluation of the local anaesthetic activity of 3-aminobenzo[d]isothiazole derivatives using the rat sciatic nerve model.

Author information

1
School of Pharmacy, Department of Pharmaceutical Chemistry, Aristotle University, Thessaloniki 54124, Greece. geronik@pharm.auth.gr

Abstract

On the basis of computer prediction of biological activity by PASS and toxicity by DEREK, the most promising 32-alkylaminoacyl derivatives of 3-aminobenzo[d]isothiazole were selected for possible local anaesthetic action. This action was evaluated using an in vitro preparation of the isolated sciatic nerve of the rat and compared with lidocaine which was used as a reference compound. QSAR studies showed that the polarizability, polarity and molecular shape of molecules have a positive influence on their local anaesthetic activity, while contributions of aromatic CH and singly bonded nitrogen are negative. Since the estimated PASS probabilities to find local anaesthetic activity in the most active compounds are less than 50%, these compounds may be considered to be possible NCEs.

PMID:
18534720
DOI:
10.1016/j.ejmech.2008.04.006
[Indexed for MEDLINE]

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