| 摘要 |
<p>Water-insol. monoazo dyes free from -SO3H gps. of formula (I): (where R = alkyl or aralkyl and acyl = alkylcarbonyl, aralkylcarbonyl or arylcarbonyl) may be prepared by coupling diazotised amines (II) with components (III) The dyes are suitable for dyeing and printing completely synthetic fibres.</p> |
