| 摘要 |
<p>This invention relates to disazo dyestuffs for cellulose or cellulose-containing fibers represented by the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="31" wi="96" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R<Sup>1</Sup> represents a hydrogen atom, a nitro group, a halogen atom, an alkyl group of 1 or 2 carbon atoms or an acetylamino group; R<Sup>2</Sup> and R<Sup>3</Sup> each represents a hydrogen atom, an alkyl group of 1 or 2 carbon atoms, an alkoxy group or an acetylamino group; Y<Sup>1</Sup> and Y<Sup>2</Sup> each represents a hydrogen atom or an alkyl group, an alkenyl group, a cyclohexyl group, an aryl group or an aralkyl group which group may optionally by substituted by cyano, hydroxyl, lower alkoxy or dialkylamino, or NY<Sup>1</Sup>Y<Sup>2</Sup>represents a 5- membered or 6-membered nitrogen-containing heretocyclic ring formed by combination of Y' and Y<Sup>2</Sup>, and the total carbon atoms in Y<Sup>1</Sup>' and Y<Sup>2</Sup> is 18 or less.</p> |
