当前位置： SCI文献检索 > JOURNAL OF MEDICINAL CHEMISTRY期刊下所有文献 > Potential inhibitors of S-adenosylmethionine-dependent methyltransferases. 11. Molecular dissections of neplanocin A as potential inhibitors of S-adenosylhomocysteine hydrolase.

Potential inhibitors of S-adenosylmethionine-dependent methyltransferases. 11. Molecular dissections of neplanocin A as potential inhibitors of S-adenosylhomocysteine hydrolase.

Abstract：

:A series of 9-(hydroxyalkenyl)purines (adenines and 3-deazaadenines), which are analogues of neplanocin A, were synthesized. The analogues were tested as inhibitors of bovine liver and murine L929 cell S-adenosyhomocysteine (AdoHcy) hydrolase (EC 3.3.1.1) and as inhibitors of vaccinia virus replication in murine L929 cells. Compounds 1b, 2a, 2b, 4a, 4b, 7, 9a, and 9b showed the best inhibitory effects toward bovine liver AdoHcy hydrolase, with compound 4b being the most potent. The compounds that were shown to be the most potent inhibitors of the bovine liver AdoHcy hydrolase all contained an allylic hydroxyl group in the cis position to the adenine or the 3-deazaadenine rings. It was concluded that the cis arrangement of the allylic hydroxyl groups in these acyclic compounds represented the minimum structural requirement of the trihydroxycyclopentenyl ring of neplanocin A to show inhibitory effects against AdoHcy hydrolase. The antiviral effects of these acyclic analogues were significantly less than neplanocin A; however, there appears to be a correlation between the antiviral activity and the inhibition of AdoHcy hydrolase for compounds 2a, 2b, 4a, 4b, and 7. Analogue 4b, which exhibited the best antiviral activity (IC50 = 70 microM) in this acyclic series, is substantially less potent than neplanocin A (IC50 = 0.08 microM) as an antiviral agent.

journal_name

J Med Chem

journal_title

Journal of medicinal chemistry

authors

Borcherding DR,Narayanan S,Hasobe M,McKee JG,Keller BT,Borchardt RT

doi

10.1021/jm00117a011

subject

Has Abstract

pub_date

1988-09-01 00:00:00

pages

1729-38

issue

9

eissn

0022-2623

issn

1520-4804

journal_volume

31

pub_type

杂志文章

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