Synthesis and bioactivity of pyrazole and triazole derivatives as potential PDE4 inhibitors.

Abstract:

:A series of pyrazole and triazole derivatives containing 5-phenyl-2-furan functionality were designed and synthesized as phosphodiesterase type 4 (PDE4) inhibitors. The bioassay results showed that title compounds exhibited considerable inhibitory activity against PDE4B and blockade of LPS-induced TNFα release. Meanwhile, the activity of compounds containing 1,2,4-triazole (series II) was higher than that of pyrazole-attached derivatives (series I). The primary structure-activity relationship study and docking results showed that the 1,2,4-triazole moiety of compound IIk played a key role to form integral hydrogen bonds and π-π stacking interaction with PDE4B protein while the rest part of the molecule extended into the catalytic domain to block the access of cAMP and formed the foundation for inhibition of PDE4. Compound IIk would be great promise as a hit compound for further study based on the preliminary structure-activity relationship and molecular modeling studies.

journal_name

Bioorg Med Chem Lett

authors

Li YS,Tian H,Zhao DS,Hu DK,Liu XY,Jin HW,Song GP,Cui ZN

doi

10.1016/j.bmcl.2016.06.002

subject

Has Abstract

pub_date

2016-08-01 00:00:00

pages

3632-5

issue

15

eissn

0960-894X

issn

1464-3405

pii

S0960-894X(16)30606-0

journal_volume

26

pub_type

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