期刊
ARCHIV DER PHARMAZIE
卷 347, 期 5, 页码 354-359出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ardp.201300349
关键词
Benzylalcohol; Bromination; Carbonic anhydrase; Enzyme inhibition; Reduction
资金
- Ataturk University (BAP) [2009/84, 2009/251]
Known and novel derivatives including CO, Br, and OH (benzylic and phenolic), and the corresponding benzylic alcohols of (3,4-dimethoxyphenyl)(2,3,4-dimethoxyphenyl)methanone were synthesized, and their inhibitory effects on the carbonic anhydrase (CA) isoenzymes I and II were investigated. CAs are the metalloenzymes catalyzing the reversible hydration of carbon dioxide (CO2) to bicarbonate (HCO3-). The inhibitory effects of diphenylmethanone derivatives 5-18 were tested on human CA (hCA, EC 4.2.1.1) isoenzymes (hCA I and hCA II) and they inhibited both isoenzymes at micromolar levels. Compounds 5 and 10 were found to be the best inhibitors against both CA isoenzymes. According to our data, compound 10 was the best inhibitor for isoenzyme hCA I (IC50=3.48 mu M, K-i=2.19 mu M) whereas compound 5 was found to be the best inhibitor for isoenzyme hCA II (IC50=1.33 mu M, K-i=2.09 mu M). Probably, stable conformations of 5 and 10 are more convenient for interaction with CA isoenzymes than those of the other compounds.
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