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碳酸酐酶抑制剂:4-取代-3-吡啶磺酰胺对人细胞质同工酶 I 和 II 以及跨膜同工酶 IX、XII(与癌症相关)和 XIV 的合成和抑制。

Carbonic anhydrase inhibitors: synthesis and inhibition of the human cytosolic isozymes I and II and transmembrane isozymes IX, XII (cancer-associated) and XIV with 4-substituted 3-pyridinesulfonamides.

机构信息

Department of Chemical Technology of Drugs, Medical University of Gdańsk, Al. Gen. J. Hallera 107, 80-416 Gdańsk, Poland.

出版信息

Eur J Med Chem. 2010 Jun;45(6):2396-404. doi: 10.1016/j.ejmech.2010.02.020. Epub 2010 Feb 12.

DOI:10.1016/j.ejmech.2010.02.020
PMID:20202722
Abstract

A series of novel 4-substituted-3-pyridinesulfonamides (2-27 and 31-33) have been synthesized and investigated as inhibitors of five isoforms of zinc enzyme carbonic anhydrase (CA, EC 4.2.1.1), that is, the cytosolic, ubiquitous isozymes CA I and II, and transmembrane isozymes CA IX, XII (cancer-associated) and XIV. Against the human isozymes hCA I, the new compounds showed inhibition constants in the range of 0.078-11.7 microM, against hCA II in the range of 9.9-140 nM, against hCA IX in the range of 4.6-313 nM, against hCA XII in the range of 3.4-21.6 nM, and against hCA XIV in the range of 50.9-160 nM, respectively. Compounds 4, 6, 7, 9, 11-14, 19, 20, 22-24, 26, 27, 31 and 32 showed excellent hCA IX inhibitory efficacy, with inhibition constants of 4.6-12.0 nM, being much more effective as compared to the clinically used sulfonamides AAZ, MZA, EZA, DCP and IND. 4-[N'-(6-chloro-7-cyano-1,1-dioxo-1,4,2-benzodithiazin-3-yl)hydrazino]-3-pyridinesulfonamide (31) is the prominent of the compounds due to its remarkable inhibitory activity toward hCA I (KIs=0.078 microM), hCA IX (KIs=7.2 nM) and hCA XII (KIs=3.4 nM).

摘要

一系列新型 4-取代-3-吡啶磺酰胺(2-27 和 31-33)已被合成并作为五种锌酶碳酸酐酶(CA,EC 4.2.1.1)同工酶的抑制剂进行了研究,即细胞溶质、普遍存在的同工酶 CA I 和 II,以及跨膜同工酶 CA IX、XII(与癌症相关)和 XIV。针对人同工酶 hCA I,新化合物的抑制常数在 0.078-11.7 μM 范围内,对 hCA II 的抑制常数在 9.9-140 nM 范围内,对 hCA IX 的抑制常数在 4.6-313 nM 范围内,对 hCA XII 的抑制常数在 3.4-21.6 nM 范围内,对 hCA XIV 的抑制常数在 50.9-160 nM 范围内。化合物 4、6、7、9、11-14、19、20、22-24、26、27、31 和 32 对 hCA IX 具有优异的抑制作用,抑制常数为 4.6-12.0 nM,与临床使用的磺胺类药物 AAZ、MZA、EZA、DCP 和 IND 相比,效果要好得多。4-[N'-(6-氯-7-氰基-1,1-二氧代-1,4,2-苯并噻二嗪-3-基)腙基]-3-吡啶磺酰胺(31)是这些化合物中较为突出的一种,因为它对 hCA I(KIs=0.078 μM)、hCA IX(KIs=7.2 nM)和 hCA XII(KIs=3.4 nM)具有显著的抑制活性。

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