Syntheses of anthraquinonoid disperse dyes containing s-triazine moiety and their application on polyester fibre

Abstract

<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:="" "times="" new="" roman";mso-fareast-theme-font:minor-fareast;mso-hansi-theme-font:="" minor-latin;mso-bidi-font-family:calibri;mso-bidi-theme-font:minor-latin;="" mso-ansi-language:en-us;mso-fareast-language:en-us;mso-bidi-language:ar-sa"="">Twenty anthraquinonoid disperse dyes, viz. 2-(<i>p-</i>nitroanilino)-4 arylureido-6-[4'-(<i>p</i>-N-morpholineanilino)anthraquinone-1'-yl-amino]-s-triazines (<b>IXa-j</b>) and 2-(<i>p </i>nitroanilino)-4-arylthioureido-6-[4'<i>-(p</i>-N-morpholineanilino) anthraquinone-1'-yl-amino]-s-triazines (<b>Xa-j</b>) were prepared by condensing the sodium salt of bromamine acid (<b>I</b>) with N-morpholinoaniline (<b>II</b>) followed by desulphonation and reaction with cyanuric chloride, <i>p</i>-nitroaniline and then with various arylureas (<b>VIIa-j</b>) and arylthioureas (<b>VIIIa-j</b>). These compounds when applied on polyester fibres gave maroon and brown shades with moderate to good light fastness, good to excellent wash fastness and very good to excellent exhaustion.</span>