Abstract:
:We report the preliminary results of the synthesis, biochemical evaluation and rationalisation of the inhibitory activity of a number of phenyl alkyl imidazole-based compounds as inhibitors of the two components of 17alpha-hydroxylase/17,20-lyase (P450(17alpha)), that is, 17alpha-hydroxylase (17alpha-OHase) and 17,20-lyase (lyase). The results show that N-3-(4-bromophenyl) propyl imidazole (12) (IC50 = 2.95 microM against 17alpha-OHase and IC50 = 0.33 microM against lyase) is the most potent compound within the current study, in comparison to ketoconazole (KTZ) (IC50 = 3.76 microM against 17alpha-OHase and IC50 = 1.66 microM against lyase). Modelling of these compounds suggests that the length of the alkyl chain enhances the interaction between the inhibitor and the area of the active site corresponding to the C3 area of the steroid backbone, thereby increasing potency.
journal_name
Bioorg Med Chem Lettjournal_title
Bioorganic & medicinal chemistry lettersauthors
Patel CH,Dhanani S,Owen CP,Ahmed Sdoi
10.1016/j.bmcl.2006.06.092subject
Has Abstractpub_date
2006-09-15 00:00:00pages
4752-6issue
18eissn
0960-894Xissn
1464-3405pii
S0960-894X(06)00785-2journal_volume
16pub_type
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