6 alpha,7 alpha-Cyclopropane steroids were found to be potent competitive inhibitors of human placental aromatase. 6 beta,7 beta-Dihydro-3'H-cyclopropa [6,7]-androst-4-en-17-one (4) has extremely high affinity for aromatase (Ki = 5 nM) but does not cause a time-dependent inactivation of the enzyme.
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| http://dx.doi.org/10.1016/0006-291x(91)91997-q | DOI Listing |
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