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Disazo Dyes Based on 1,4-Diamino-2,5-disulfobenzene
Authors: Hrdina Radim | Luňák Stanislav | Burgert Ladislav | Yalawarthi SB | Lyčka Antonín
Year: 2001
Type of publication: článek v odborném periodiku
Name of source: Advances in Colour Science and Technology
Publisher name: University of Leeds
Place: Leeds
Page from-to: 121-126
Titles:
Language Name Abstract Keywords
cze Disazobarviva založená na 1,4-diamino-2,5-disulfobenzenu Byla připravena disazobarviva založená na 1,4-diamino-2,5-benzendisulfonové kyselině. Synthetický postup je založen na selektivní monodiazotaci 1,4-diamino-2,5-benzendisulfonové kyseliny bez ochrany aminosupiny. Syntézy poskytly čistá brilantní barviva. Byla změřena a analyzována H a C NMR spektra modelových látek. Struktury připravených barviv byly potvrzeny ESI MS
eng Disazo Dyes Based on 1,4-Diamino-2,5-disulfobenzene Secondary disazodyes based on 1,4-diamino-2,5-benzenedisulfonic acid were prepared. The synthetic route is based on the selective monodiazotisation of 1,4-diamino-2,5-benzenedisulfonic acid without any protection of the amino group. Syntheses gave pure and brilliant dyes. The H and C NMR spectra of model compounds were recorded and analysed. The structures of prepared dyes were confirmed by ESI Mass Spectrometry. azo-dyes; acid dyes