NONPEPTIDIC INHIBITORS OF HUMAN-LEUKOCYTE ELASTASE .6. DESIGN OF A POTENT, INTRATRACHEALLY ACTIVE, PYRIDONE-BASED TRIFLUOROMETHYL KETONE

被引:47
作者
BERNSTEIN, PR [1 ]
GOMES, BC [1 ]
KOSMIDER, BJ [1 ]
VACEK, EP [1 ]
WILLIAMS, JC [1 ]
机构
[1] ZENECA PHARMACEUT,DEPT PHARMACOL,WILMINGTON,DE 19897
关键词
D O I
10.1021/jm00001a028
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Further modification of the 3-amino substituent in a trifluoromethyl ketone-based series of 3-amino-6-phenylpyridin-2-ones that had been optimized for oral activity led to analogs that were potent intratracheal inhibitors in a model of HLE-induced lung damage in the hamster. The best 3-amino substituent for intratracheal activity is [4-[N-[(4-chlorophenyl) sulfonyl]carbamoyl]phenyl]sulfonyl. At a 30 min prechallenge interval, compound 9, which incorporates this substituent, had an ED(50) of similar to 2 nmol/animal and, qualitatively, afforded a very similar dose-response relationship to that found with a peptidic trifluoromethyl ketone inhibitor, ICI 200,355.
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页码:212 / 215
页数:4
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