C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/266.2
C07D 401/14 (2006.01) C07D 241/08 (2006.01) C07D 405/14 (2006.01) C07D 409/14 (2006.01)
Patent
CA 1244430
BIS-DIOXOPIPERAZINE DERIVATIVES, PROCESS FOR THEIR PREPARATION, ANTITUMOR AGENTS COMPRISING THEM AND COMPOSITIONS CONTAINING THEM ABSTRACT OF THE DISCLOSURE Disclosed are novel bis-dioxopiperazine derivatives and non-toxic salts thereof, process for their preparation, antitumor agents comprising them and compositions containing them. The bis-dioxopiperazine derivatives are represented by the following general formula (I): Image . . . . . (I) wherein R represents an alkyl radical having 1 to 17 carbon atoms, a cycloalkyl radical having 3 to 7 carbon atoms, a lower alkyl radical having a substituent or substituents selected from the group consisting of halogeno, carboxy, alkoxycarbonyl having 2 to 5 carbon atoms, lower alkoxy, substituted or unsubstituted phenoxy, naphthyloxy, substituted or unsubstituted phenylthio, substituted or unsubstituted phenyl and naphthyl, a substituted or unsubstituted phenyl lower alkenyl radical, a substituted or unsubstituted phenyl radical, a naphthyl radical, a heterocyclic radical selected from the group consisting of pyridyl, furyl and thienyl, an alkoxy radical having 1 to 8 carbon atoms, a substituted or unsubstituted phenyl lower alkoxy radical, or a substituted or unsubstituted phenoxy radical. A substituent or substituents on R may be selected from the group consisting of lower alkyl, halogeno, lower alkoxy, acyloxy having 2 to 5 carbon atoms, methylene- dioxy, carboxy, amino, methanesulfonylamino and nitro. The above-mentioned "lower alkyl", "lower alkoxy" and "lower alkenyl" respectively refer to alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms and alkenyl having 2 to 4 carbon atoms.
466567
Cai Jun-Chao
Takase Muneaki
Fetherstonhaugh & Co.
Zenyaku Kogyo Kabushiki Kaisha
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