Ad. Abell et al., A COMPARISON OF STEROIDAL AND NONSTEROIDAL INHIBITORS OF HUMAN STEROID 5-ALPHA-REDUCTASE - NEW TRICYCLIC ARYL ACID INHIBITORS OF THE TYPE-1ISOZYME, Bioorganic & medicinal chemistry letters, 6(4), 1996, pp. 481-484
A series of 9,10-dihydrophenanthrene-2-carboxylic acids has been prepa
red and evaluated in vitro as inhibitors of human recombinant steroid
5 alpha-reductase. 7-Bromo-9,10-dihydrophenanthrene-2-carboxylic acid,
8c, is a potent and selective non-steroidal inhibitor of human type-1
steroid 5 alpha-reductase (K-i,K-app 26 nM). The inhibitory activity
relationships of steroidal and non-steroidal inhibitors, with 4-aza, 6
-aza, diene acid, aryl acid and nitro-alkenes functionalities, are con
sidered.