Syntheses and Selective Inhibitory Activities of Terphenyl-Bisamidines for Serine Proteases
作者:Wolfgang von der Saal、Richard A. Engh、Andreas Eichinger、Bernhard Gabriel、Ralf Kucznierz、Jürgen Sauer
DOI:10.1002/ardp.19963290204
日期:——
meta‐derivative 8b inhibits factor Xa and trypsin (Ki = 10 μM). The terphenyl bisamidine 4c does not inhibit factor Xa, trypsin, thrombin, and plasmin, while 4a and 4d are almost equipotent inhibitors of theses enzymes (Ki 1–6 μM), and 4b and 4e are selective for trypsin (Ki = 0.2 and 0.3 μM; but Ki > 1 μM for factor Xa, thrombin, and plasmin). X‐ray analysis of crystals of 4b complexed with bovine trypsin revealed
Synthesis and Antiprotozoal Activity of Dicationic <i>m</i>-Terphenyl and 1,3-Dipyridylbenzene Derivatives
作者:Donald A. Patrick、Mohamed A. Ismail、Reem K. Arafa、Tanja Wenzler、Xiaohua Zhu、Trupti Pandharkar、Susan Kilgore Jones、Karl A. Werbovetz、Reto Brun、David W. Boykin、Richard R. Tidwell
DOI:10.1021/jm400508e
日期:2013.7.11
Bis-pyridylimidamide derivative 31 was 25 times more potent than benznidazole against T. cruzi and slightly more potent than amphotericin B against L. amazonensis. Terphenyldiamidine 1 and dipyridylbenzene analogues 23 and 25 each cured 4/4 mice infected with T. b. rhodesiense STIB900 with four daily 5 mg/kg intraperitoneal doses, as well as with single doses of ≤10 mg/kg. Derivatives 5 and 28 (prodrugs
This paper describes the development of novel aromatic platforms for supramolecular construction. By the Suzuki cross-coupling protocol, a variety of functionalized m-terphenyl derivatives were prepared (Schemes 1–4). Macrolactamization of bis(ammonium salt) (S,S)-6 with bis(acyl halide) 7 afforded the macrocyclic receptor (S,S)-2 (Scheme 1), which was shown by 1H-NMR titration studies to form ‘nesting'