153230-80-9Relevant articles and documents
Antitumor agents. 144. New γ-lactone ring-modified arylamino etoposide analogs as inhibitors of human DNA topoisomerase II
Zhou,Lee,Cheng,Wu,Chen,Guo,Cheng -,Lee
, p. 287 - 292 (2007/10/02)
The trans-fused γ-lactone ring of etoposide is readily epimerized to its cis epimer, which is biologically inactive, or is metabolized to the inactive ring-opened hydroxy acids. Modification of this γ-lactone ring of 4β- (arylamino)-4'-O-demethyl-4-desoxy