Potency enhancement of the κ-opioid receptor antagonist probe ML140 through sulfonamide constraint utilizing a tetrahydroisoquinoline motif.

Potency enhancement of the κ-opioid receptor antagonist probe ML140 through sulfonamide constraint utilizing a tetrahydroisoquinoline motif.
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DOI:
10.1016/j.bmc.2014.12.033
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发表时间:
2015-07-15
影响因子:
3.5
通讯作者:
Aubé J
Aubé J
中科院分区:
医学3区
文献类型:
--
作者:
Frankowski KJ;Slauson SR;Lovell KM;Phillips AM;Streicher JM;Zhou L;Whipple DA;Schoenen FJ;Prisinzano TE;Bohn LM;Aubé J

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磺胺基kappa阿片受体(KOR)拮抗剂探针分子ML140通过约束四氢异喹啉段内的磺胺氮进行优化,其效价显著提高。这一策略,结合额外的构效关系探索,导致该化合物的效力仅比norBNI低6倍,norBNI是一种广泛使用的KOR拮抗剂工具化合物,但更容易合成。新的优化探针适合作为一种体内工具来研究KOR拮抗剂的治疗潜力。
Optimization of the sulfonamide-based kappa opioid receptor (KOR) antagonist probe molecule ML140 through constraint of the sulfonamide nitrogen within a tetrahydroisoquinoline moiety afforded a marked increase in potency. This strategy, when combined with additional structure-activity relationship exploration, has led to a compound only six-fold less potent than norBNI, a widely utilized KOR antagonist tool compound, but significantly more synthetically accessible. The new optimized probe is suitably potent for use as an in vivo tool to investigate the therapeutic potential of KOR antagonists.
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