| 摘要 |
<p>; Organic pigments having the following structure are disclosed: R1 - - R2 - - R3 where R1 and R3 are , , and and R2 is; and wherein X1 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, chlorine and bromine; X2 is hydrogen and CONHAr, wherein Ar is phenyl and phenyl substituted with alkyl of 1 to 3 carbon atoms, alkoxy of 1 to 4 carbon atoms, chlorine, bromine, carbonamido, sulphonamido, and phthalimido; X3 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, chlorine and bromine; X4 is hydrogen, alkyl of 1 to 4 carbon atoms, chlorine and bromine; X5 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, chlorine bromine and nitro; and Y1 and Y2 are each hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, chlorine and bromine.</p> |
