Pyrrolo¬3,4-c|pyrroles containing cyanimino groups

Details Pyrrolo¬3,4-c|pyrroles containing cyanimino groups Pyrrolo¬3,4-c|pyrroles containing cyanimino groups

C - Chemistry, Metallurgy

09

B

C09B 57/00 (2006.01) C07D 487/04 (2006.01) C08K 5/3415 (2006.01) C08K 5/3462 (2006.01) C08K 5/45 (2006.01) C09B 56/00 (2006.01)

Patent

CA 2145374

The invention relates to pyrrolo[3,4-c]pyrroles of formula Image (I), wherein D and E are each independently of the other hydrogen, C1-C18alkyl, C2-C4alkenyl, C7-C10aralkyl, unsubstituted phenyl or phenyl which is substituted by chloro, bromo, C1-C6alkyl, C1-C4alkoxy, trifluoromethyl or nitro, or -COO-C1-C5alkyl or a group -COOR8, wherein R8 is benzyl, piperidyl or a group -CH2 Image or -CH2SO2 Image , and X and Y are N-CN or O, with the proviso that at least one of X or Y N-CN must be N-CN. These pyrrolo[3,4-c]pyrroles are preeminently suitable for use as colorants, i.e. as pigments or as polymer-soluble dyes, for colouring high molecular weight organicmaterial. They are distinguished by unexpectedly high solid-state fluorescence. The substituent A and B are as defined in claim 1.

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