| 摘要 |
PCT No. PCT/GB97/03362 Sec. 371 Date Oct. 13, 1999 Sec. 102(e) Date Oct. 13, 1999 PCT Filed Dec. 4, 1997 PCT Pub. No. WO98/27165 PCT Pub. Date Jun. 25, 1998Compounds of Formula (1) have utility as dyes for ink-jet printing where Formula (1) comprises:Tq-WFormula (1)which includes all acceptable forms of such compounds selected from one or more of the following (including mixtures thereof and combinations thereof in the same species): stereoisomers, zwitterions, polymorphs, solvates, isotopic forms; and all suitable salts thereof; in which: q represents from 1 to 4 inclusive; W comprises an optionally substituted hydrocarbyl group (preferably an optionally substituted aromatic group, or an optionally substituted aliphatic group); and each T independently comprises a group of the Formula (2):B-N=N-J-Y-Formula (2)in which: B comprises an optionally substituted indanyl group; Y comprises a carbonyl group or a sulphonyl group; and J comprises a group of Formula (3): in which: R1 comprises H or optionally substituted hydrocarbyl (preferably H or optionally substituted alkyl); and n represents from 0 to 3 inclusive; the compounds of Formula (1) being substantially free from fiber reactive groups. |
