Synthesis and Evaluation of Acylated Derivatives of Hederagenin as Inhibitors of HIV-1 and HCV NS3/4A Proteases

Synthesis and Evaluation of Acylated Derivatives of Hederagenin as Inhibitors of HIV-1 and HCV NS3/4A Proteases
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常春藤素酰化衍生物作为 HIV-1 和 HCV NS3/4A 蛋白酶抑制剂的合成与评价

DOI:
10.1177/1934578x221075083
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发表时间:
2022-01
期刊:
Natural Product Communication
影响因子:
--
通讯作者:
Xia Wang
Xia Wang
中科院分区:
其他
文献类型:
--
作者:
Qing Liu;Ying Wei;Yongjia Hao;Jian Yang;Bowen Pan;Xiaosheng Yang;Ying Zhou;Xia Wang

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病毒感染对人类健康构成重大威胁。为了开发新的有效的抗病毒药物,以已知的HIV-1和HCV NS 3/4A蛋白酶抑制剂常春藤皂苷元(HE)为起始原料,合成了4种类型的HE衍生物,HE-3,23-二酰基、HES-3,23-二酰基、HES-3-酰基和HES-3-氧代-23-酰基。我们评价了衍生物对HIV-1和HCV NS 3/4A蛋白酶的体外抑制活性。(3β,23)-Di-O-diglutaryl-hederagenin(1b)和(3β,23)-di-O-(3′,3′-二甲基琥珀酰常春藤皂苷元乙酯(2b)对HIV-1和/或HCV NS 3/4A蛋白酶有较强的抑制活性,IC_(50)< 10 μM,但对一般人蛋白酶肾素和胰蛋白酶无明显抑制作用。SAR结果表明,当HE的C3或C23与6碳酰基链连接时,其二羧酸半酯的抗病毒活性显著增强。
Viral infection imposes a major threat to human health. To develop new potent antiviral agents, Hederagenin (HE), a known inhibitor of HIV-1 and HCV NS3/4A proteases, was used as a starting material to synthesize 4 types of HE derivatives, HE-3,23-diacyl,.HES-3,23-diacyl, HES-3-acyl, and HES-3-oxo-23-acyl. We evaluated the in vitro inhibitory activities of the derivatives against HIV-1.and HCV NS3/4A proteases. (3β,23)-Di-O-diglutaryl-hederagenin (1b) and (3β,23)-di-O-(3′.,3′.-dimethylsuccinyl-hederagenin ethyl.ester (2b) exhibited potent inhibitory activities against the HIV-1 and/or HCV NS3/4A proteases with IC50 values < 10 μM,.but did not appreciably inhibit general human proteases renin and trypsin. The SARs showed that dicarboxylic acid hemiesters.of HE significantly enhance the antiviral activities when C3 or C23 are linked with 6 carbon acyl chains.
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