Di[bis-(indolyl)ethylenyl]tetrahalophthalides

Details Di[bis-(indolyl)ethylenyl]tetrahalophthalides Di[bis-(indolyl)ethylenyl]tetrahalophthalides

C - Chemistry, Metallurgy

07

D

42/11, 260/278.1

C07D 405/14 (2006.01) B41M 5/136 (2006.01) B41M 5/145 (2006.01) B41M 5/323 (2006.01) B41M 5/327 (2006.01) C07D 413/14 (2006.01) C07D 417/14 (2006.01)

Patent

CA 1338638

Chromogenic di-[bis- (indolyl)ethylenyl]tetrahalophthalides are disclosed of the formula Image wherein Image and Image wherein each X1, X2 , X3 , and X4 is independently selected from chlorine or bromine; wherein each of R1 and R7 is independently selected from cycloalkyl, aralkyl, alkoxyalkyl, or aroxyalkyl; wherein each of R2 and R8 is independently selected from alkyl (C1 - C8) or aryl (substituted or unsubstituted); wherein each of R3, R4, R5, R6, R9, R10, R11, and R12 is independently selected from hydrogen, alkyl (C1 - C8), cycloalkyl, aryl (substituted or unsubstituted), halogen, alkoxy (C1 - C8), aroxy, cycloalkoxy, dialkylamino including symmetrical and unsymmetrical alkyl (C1 - C8), alkylcycloalkylamino, dicycloalkylamino, alkylarylamino, Image

611706

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