Enantioselectivity of some 1-(benzofuran-2-yl)-1-(1-H-imidazol-1-yl) alkanes as inhibitors of P450Arom |
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Authors: | GA Khodarahmi HJ Smith PJ Nicholls M Ahmadi |
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Affiliation: | Welsh School of Pharmacy, Cardiff University, Cathays Park, UK. |
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Abstract: | The low stereospecificity of the enantiomers of 1-(benzofuran-2-yl)-4-chlorophenylmethyl]imidazole (6, R=H, R'=4'-Cl) and the corresponding 4-fluoro compound as inhibitors of aromatase (P450Arom) has been explored using 1-(5,7-dichlorobenzofuran-2-yl)-1-(1H-imidaz-1-yl)ethane (7, R1=R2=Cl, R=CH3), -propane (7, R1=R2=Cl, R=C2H5), and the corresponding 5,7-dibromo compounds resolved as their dibenzoyl-D (or -L) tartrates. Low enantioselectivity ratios of 4.8 (5,7-diCl) and 12.6 (5,7-diBr) were shown for the ethanes. The values for the corresponding propanes were 8.3 and 5.2, respectively, and for these compounds the stereoselectivity was reversed. |
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