Abstract:
:Here we report on the design, synthesis, and biological characterization of novel κ opioid (KOP) receptor ligands of diphenethylamines. In opioid receptor binding and functional assays, the N-cyclobutylmethyl substituted derivative 4 (HS665) showed the highest affinity and selectivity for the KOP receptor and KOP agonist potency. Compound 4 inhibited acetic acid induced writhing after subcutaneous administration in mice via KOP receptor-mediated mechanisms, being equipotent as an analgesic to the KOP agonist U50,488.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Spetea M,Berzetei-Gurske IP,Guerrieri E,Schmidhammer Hdoi
10.1021/jm301258wsubject
Has Abstractpub_date
2012-11-26 00:00:00pages
10302-6issue
22eissn
0022-2623issn
1520-4804journal_volume
55pub_type
杂志文章abstract::The poor solubility of the thymidylate synthase (TS) inhibiting antifolate 10-propargyl-5,8-dideazafolic acid has posed problems for its clinical use and is probably responsible for its renal toxicity. The insolubility is caused by the 2-amino-3,4-dihydro-4-oxopyrimidine moiety of the drug which stabilizes the solid s...
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