| abstract |
A medical composition containing, as an active constituent, a nitroetheneamine derivative represented by formula (I) wherein R1 is a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic group, or a cyano group; R?2 and R3¿ may be each a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic group, or -A-R7 (wherein A is S, SO, SO¿2?, SO3, CO or CO2, and R?7¿ is a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic group), or may form N=CR8R9 (wherein R?8 and R9¿ are each a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic group, an alkoxy or aryloxy group, a cyano group, a nitro group, or -A-R?7); R4 and R5¿ may be each a hydrogen atom, an optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic group, an alkoxy group, an amino group, an aryloxy group, -A-R7 , a cyano group, an ester group or a hydroxyl group, or may form N=CR8R9; R6 is a hydrogen atom, a nitro group, a cyano group, -A-R7, an optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aryl or heterocyclic group, an alkoxy group, an amino group, or a halogen atom; and further R?1, R2, R3, R4 and R5¿ may form a ring containing or not containing a heteroatom, or a salt thereof as an active constituent. |