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Design, synthesis and biological evaluation of isochroman-4-one hybrids bearing piperazine moiety as antihypertensive agent candidates.

Abstract：

:7,8-Dihydroxy-3-methyl-isochromanone-4 (XJP), is a polyphenolic natural product with moderate antihypertensive activity. To obtain new agents with stronger potency and safer profile, we employed XJP and naftopidil as the lead compounds to design and synthesize a novel class of hybrids as antihypertensive agent candidates. In the present study, a series of hybrids (6a-r) of XJP bearing arylpiperazine moiety, which is identified as the pharmacophore of naftopidil, were designed and synthesized as novel α1-adrenergic receptor antagonists. The biological evaluation showed that target compounds 6c, 6e, 6f, 6g, 6h, 6m and 6q possessed potent in vitro vasodilation potency and α1-adrenergic receptor antagonistic activity. Furthermore, the most potent compound 6e significantly reduced the systolic and diastolic blood pressure in spontaneously hypertensive rats (SHRs), which was comparable to that of naftopidil, and it had no observable effects on the basal heart rate, suggesting that 6e deserves to be further investigated as a potential clinical candidate for the treatment of hypertension.

journal_name

Bioorg Med Chem

journal_title

Bioorganic & medicinal chemistry

authors

Xie S,Li X,Yu H,Zhang P,Wang J,Wang C,Xu S,Wu Z,Liu J,Zhu Z,Xu J

doi

10.1016/j.bmc.2019.05.004

subject

Has Abstract

pub_date

2019-07-01 00:00:00

pages

2764-2770

issue

13

eissn

0968-0896

issn

1464-3391

pii

S0968-0896(18)31863-7

journal_volume

27

pub_type

杂志文章

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