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Title: Syntheses of 3-aryl-5-[6-(α-picolyl)]rhodanines and 3-aryl-5-(2-pyridylmethylene)rhodanines and their dyeing performance on acetate and/or other fibres
Authors: Fadda, A A
Ali, M M
El-Ahl, A S
Fouda, A
Keywords: Disperse dyes;Dyeing;Polyacrylic fibre;Polyester fibre;Wool fibre
Issue Date: Sep-1993
Publisher: NISCAIR-CSIR, India
Abstract: 3-Aryl-5-[6-(α-picolyl)]rhodanines (IIIa-g) and 3-aryl-5-(2-pyridylmethylene)rhodanines (IVa,b,f,g) were. prepared by treatment of α-picoline N-oxide (I) with 3-aryl rhodanines (II) at 90°C in presence of acetic anhydride and their dyeing performance of polyester, polyacrylic and wool fibres was assessed. The effect of nature and orientation of substituents on the colour of these compounds was also studied. All the compounds showed good affinity towards polyester fibres followed by polyacrylic and wool fibres.
Page(s): 151-155
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.18(3) [September 1993]

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