107903-92-4Relevant articles and documents
Bis-dioxopiperazine derivatives and pharmaceutical compositions containing the same
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, (2008/06/13)
Novel bis-dioxopiperazine derivatives represented by the following formula (I) and having a broader antitumor spectrum as well as pharmaceutical compositions containing the compounds as antitumor active components: STR1 wherein R1 represents a lower alkyl group; A represents an oxygen atom, a sulfur atom or a group of STR2 wherein R2 represents a hydrogen atom, a lower alkyl group or phenyl; R3 represents a lower alkyl group, phenyl or benzyl; and X and Y, which are respectively independent and are the same or different, represent a hydrogen atom or a lower alkyl group.