Commercially available Disperse Orange 29 (1a) and Disperse Red 1 (2a) were elaborated to glycoconjugated species, following a new version of a previously-described ‘naturalisation’ procedure. Glutamic acid was chosen to achieve a double glycoconjugation, which is essential to give to the original disperse dye a water solubility suitable for reaching optimal dyeing conditions. UV–vis plot of the ‘naturalised’ species showed negligible differences when compared to those of the commercial dyes
Efficient double glycoconjugation to naturalize high molecular weight disperse dyes
CATELANI, GIORGIO;GUAZZELLI, LORENZO;
2012-01-01
Abstract
Commercially available Disperse Orange 29 (1a) and Disperse Red 1 (2a) were elaborated to glycoconjugated species, following a new version of a previously-described ‘naturalisation’ procedure. Glutamic acid was chosen to achieve a double glycoconjugation, which is essential to give to the original disperse dye a water solubility suitable for reaching optimal dyeing conditions. UV–vis plot of the ‘naturalised’ species showed negligible differences when compared to those of the commercial dyesFile in questo prodotto:
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