477579-25-2Relevant articles and documents
Red dye compound for ink-jet ink, and preparation method and application thereof
-
Paragraph 0036, (2017/02/24)
The invention discloses a red dye compound for ink-jet ink, and a preparation method and application thereof. The compound has a structure as shown in a formula I which is defined in the specification. In the formula I, R, R, R, R and R ind
ANTHRAPYRIDONE COMPOUND OR SALT THEREOF, MAGENTA INK COMPOSITION CONTAINING THE ANTHRAPYRIDONE COMPOUND, AND COLORED BODY
-
Page/Page column 16, (2010/11/04)
The present invention relates to a novel anthrapyridone compound represented by the following formula (1) or a salt thereof: [wherein, R1 represents a hydrogen atom, an alkyl group or the like, R2 represents a hydrogen atom or a methoxy group and R3 represents an unsubstituted or substituted C5-C12 alkyl group, an unsubstituted or substituted aryl group, or an unsubstituted or substituted heteroaryl group, respectively; and with regard to the substitution positions of -SO2R3 and -SO3H whose substitution position are not specified and the both of which the benzene ring has thereon, one of their substitution positions is the para-position and the other thereof is the ortho-position to the substitution position of the nitrogen atom by which said benzene ring is substituted], and the compound of the present invention or a salt thereof has a hue which possesses high vividness suitable for inkjet recording, and provides a magenta coloring matter having higher fastnesses on recorded matter and excellent storage stability.
ANTHRAPYRIDONE COMPOUND, MAGENTA INK COMPOSITION AND COLORED MATTER
-
Page/Page column 15, (2008/06/13)
The present invention relates to an anthrapyridone compound represented by the following Formula (1) (wherein, R represents a hydrogen atom, an alkyl group, a hydroxy lower alkyl group, a cyclohexyl group, a mono- or dialkylaminoalkyl group or a cyano low