Bioorganic & Medicinal Chemistry Letters 2012-01-01

5- and 6-membered (thio)lactones are prodrug type carbonic anhydrase inhibitors.

Fabrizio Carta, Alfonso Maresca, Andrea Scozzafava, Claudiu T Supuran

文献索引：Bioorg. Med. Chem. Lett. 22 , 267-70, (2012)

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摘要

The inhibition of the zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1) with (thio)coumarins has been recently reported (Maresca et al., J. Am. Chem. Soc. 2009, 131, 3057). Here we demonstrate that a series of γ- and δ-(thio)lactones also act as mechanism based, prodrug type CA inhibitors, similar to the (thio)coumarins. Through the esterase activity of CA, these compounds are hydrolyzed in situ to the corresponding hydroxy/keto/mercapto acids which thereafter act as inhibitors. CA isoforms I and IX were efficiently inhibited by simple such compounds, with K(I)s in the range of 0.92-19.1μM, whereas CA II was not inhibited at all. Isoform-selective CA inhibitors which spare the ubiquitous off-target CA II may have interesting applications for example for selectively inhibiting the tumor-associated CA IX, a validated anticancer target.Copyright © 2011 Elsevier Ltd. All rights reserved.

相关化合物

  • 2(5H)-呋喃酮
  • δ-戊内酯
  • 香豆素

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