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Research Article

The synthesis of some β-lactams and investigation of their metal-chelating activity, carbonic anhydrase and acetylcholinesterase inhibition profiles

, , , , , & show all
Pages 79-88 | Received 12 Mar 2016, Accepted 21 Mar 2016, Published online: 13 Apr 2016
 

Abstract

β-Lactam antibiotics are a broad class of antibiotics, consisting of all antibiotic agents that contain a β-lactam ring in their molecular structures. Synthesis of β-lactam analogs, which are containing dichloride atoms and N-methyl, N-aromatic rings, was achieved by Schiff bases and dichloroketene compounds. All the synthesized imines and β-lactam analogs were tested against two physiologically relevant carbonic anhydrase isozymes (hCA I and II) and acetylcholinesterase (AChE). They demponstrated effective inhibitory profiles with Ki values in ranging of 3.22-11.18 nM against hCA I, 3.74-10.41 nM against hCA II, and 0.50-1.57 nM against AChE. On the other hand, acetazolamide and dorzolamide clinically used as CA inhibitors, showed Ki value of 170.34 and 129.26 nM against hCA I, and 115.43 and 135.67 nM against hCA II, respectively. Also, tacrine used as standard AChE inhibitor showed Ki value of 5.70 nM against AChE.

Declaration of interest

The authors declare no conflict of interest.

Supplementary material available online

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