| 摘要 |
<p>This invention relates to an anthraquinone dyestuff for cellulose containing fibers represented by the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="28" wi="53" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>1</Sup> represents amino or hydroxyl, R<Sup>2</Sup> represents hydrogen, chlorine, bromine, cyano or -SO<Sub>2</Sub>R wherein R represents methyl, ethyl or phenyl, R<Sup>3</Sup> and R<Sup>4</Sup> each represents hydrogen, amino, hydroxyl, nitro, chlorine or bromine, Y represents a connecting group consisting of -0- or -S-, one of X<Sup>1</Sup> and X<Sup>2</Sup> is hydrogen and the other is a group of the formula:
<Chemistry id="chema02" num="0002"><Image id="ia02" he="33" wi="51" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein -Z- represents a connecting group consisting of -O- or -S-, -W<Sup>1</Sup> represents phenyl or -NR<Sup>6</Sup>R<Sup>7</Sup>, <Sub>R</Sub><Sup>5</Sup> represents hydrogen, methyl, ethyl, methoxy, ethoxy, chlorine or bromine, R<Sup>6</Sup> and R<Sup>7</Sup> each represents hydrogen or alkyl, alkenyl, cyclohexyl, aryl or aralkyl which may optionally be substituted by lower alkoxy, or NR<Sup>6</Sup>BR<Sup>7</Sup> represents a 5- membered or 6-membered nitrogen-containing heterocyclic ring formed by combination of R<Sup>6</Sup> and R<Sup>7</Sup>, and n is 0 or 1, with the proviso that where X<Sup>2</Sup> is hydrogen, n is 0.</p> |
