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Bioorg Med Chem Lett. 2012 Sep 1;22(17):5618-24. doi: 10.1016/j.bmcl.2012.06.105. Epub 2012 Jul 7.

Structure and activity relationship in the (S)-N-chroman-3-ylcarboxamide series of voltage-gated sodium channel blockers.

Author information

1
Medicinal Chemistry, CNSP iMed Science, AstraZeneca R&D, Innovative Medicines, SE-15185 Södertälje, Sweden. inger.kers@telia.com

Abstract

Recent findings showing a relation between mutations in the Na(V)1.7 channel in humans and altered pain sensation has contributed to increase the attractiveness of this ion channel as target for development of potential analgesics. Amido chromanes 1 and 2 were identified as blockers of the Na(V)1.7 channel and analogues with modifications of the 5-substituent and the carboxamide part of the molecule were prepared to establish the structure-activity relationship. Compounds 13 and 29 with good overall in vitro and in vivo rat PK profile were identified. Furthermore, 29 showed in vivo efficacy in a nociceptive pain model.

PMID:
22832315
DOI:
10.1016/j.bmcl.2012.06.105
[Indexed for MEDLINE]

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