The Application of Some Alkyl Esters of Alkoxy Derivatives of N-Benzyl-N-phenyl-β-alanine in the Synthesis of 3-Amino-5-nitro[2,1]benzisothiazole-Based Dyes
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Add time:08/04/2019 Source:sciencedirect.com
This paper is concerned with the application of alkoxy derivatives of some alkyl esters of N-benzyl-N-phenyl-β-alanine in the synthesis of heterocyclic azo dyes derived from 3-amino-5-nitro [2,1] benzisothiazole. The structure of the alkoxy intermediates was confirmed by IR and 1H-NMR. The dyes were evaluated on polyester-fibre fabric with respect to their basic fastness properties. IR, 1H-NMR, and visible spectra of the dyes were also examined.
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