Streptonigrin and related compounds.<b>6</b>. Synthesis and activity of some quinoxaline analogues
作者:Koppaka V. Rao、Charles P. Rock
DOI:10.1002/jhet.5570330238
日期:1996.3
Streptonigrin is an antitumor antibiotic with significant in vitro and in vivo antitumor activity spectrum. Besides the total syntheses, numerous syntheses of the partial structures have been carried out in order to assess the structural requirements for the activity. The present publication deals with the synthesis of selected quinoxalinequinones to study the effect of changes in the B-ring of streptonigrin