Citation

Panzeri A, Ornati G, di Salle E, Lombardi P. Journal of Enzyme Inhibition 1990; 4(2): 121-129.

Copyright

(Copyright © 1990)

DOI

10.3109/14756369009040733

PMID

2098518

Abstract

According to a proposed aromatisation mechanism by which estrogens are biosynthesized from androgens, the novel steroid androsta-4,6,8(9)-triene-3,17-dione (FCE 24918) should behave as a suicide substrate for aromatase. The synthesis of this triene steroid has been accomplished starting from androsta-4,7-diene-3,17-dione (4) by the acid-catalysed cleavage of the corresponding 7,8 alpha-epoxide, 5, and it was obtained together with androsta-4,6,8(14)-triene-3,17-dione (FCE 24917) as a side product. The time-dependent inactivation of placental aromatase by the two isomers was studied comparatively and showed that the 4,6,8(9)-triene moiety acts as a latent alkylating group.

Language: en

Keywords

Androstatrienes; Aromatase Inhibitors; Female; Humans; Microsomes; Placenta; Pregnancy; Structure-Activity Relationship