Patent ID: 6777526
Filing Date: 2004-08-17
Classification: C07D,C08F

Abstract:
An optically active maleimide derivative represented by general formula (1) or (2): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, and R11 are each independently selected from the group consisting of hydrogen, methyl, ethyl, a straight-chained or branched alkyl having 3 to 10 carbon atoms and a straight-chained or branched alkoxy having 3 to 10 carbon atoms; and R12 is selected from the group consisting of methyl, ethyl, n-propyl, i-propyl, n-butyl, i-butyl, tert-butyl, methoxymethyl, ethoxymethyl and ethoxyethyl, wherein the optically active maleimide derivative is not an optically active N-1-cyclohexvlethyl-1-maleimide, wherein each of the substituents R1 through R11 is hydrogen and R12 is methyl in the general formula (1) or (2).