Abstract:
:The discovery of BMS-605339 (35), a tripeptidic inhibitor of the NS3/4A enzyme, is described. This compound incorporates a cyclopropylacylsulfonamide moiety that was designed to improve the potency of carboxylic acid prototypes through the introduction of favorable nonbonding interactions within the S1' site of the protease. The identification of 35 was enabled through the optimization and balance of critical properties including potency and pharmacokinetics (PK). This was achieved through modulation of the P2* subsite of the inhibitor which identified the isoquinoline ring system as a key template for improving PK properties with further optimization achieved through functionalization. A methoxy moiety at the C6 position of this isoquinoline ring system proved to be optimal with respect to potency and PK, thus providing the clinical compound 35 which demonstrated antiviral activity in HCV-infected patients.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Scola PM,Wang AX,Good AC,Sun LQ,Combrink KD,Campbell JA,Chen J,Tu Y,Sin N,Venables BL,Sit SY,Chen Y,Cocuzza A,Bilder DM,D'Andrea S,Zheng B,Hewawasam P,Ding M,Thuring J,Li J,Hernandez D,Yu F,Falk P,Zhai G,Sdoi
10.1021/jm401840ssubject
Has Abstractpub_date
2014-03-13 00:00:00pages
1708-29issue
5eissn
0022-2623issn
1520-4804journal_volume
57pub_type
杂志文章abstract::We report herein further insight into the biological activities displayed by a series of 2-hydroxyisoquinoline-1,3(2H,4H)-diones (HIDs). Substitution of the N-hydroxyimide two-metal binding pharmacophore at position 4 by carboxamido side chains was previously shown by us to be fruitful for this scaffold, since strong ...
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