The aquatic toxicity of a series of new direct dyes based on benzidine congeners, 2, 2′-
dimethyl-5, 5′-dipropoxybenzidine and 5, 5′-dipropoxybenzidine, and a commercial dye …

A new hyperbranched polymer based on aconitic acid and two different amine (triethnaol
amine and diethylenetriamine) with different functional groups; hydroxyl and amine groups …

Bis (alkyl-1, 3, 4-oxadiazole-2-yl azo dyes were synthesized by a multi-step reaction
sequence. Structures of newly synthesized compounds were characterized and confirmed …

The influences of a series of new azo direct dyes including copper-complexes based on
benzidine congeners, 2, 2′-dimethyl-5, 5′-dipropoxybenzidine and 5, 5 …

The aquatic toxicity of a series of copper-complexed direct dyes based on benzidine
congeners, 2, 2′-dimethyl-5, 5′-dipropoxybenzidine and 5, 5′-dipropoxybenzidine, were …

The search for lead product with beneficial pharmacological properties has become a great
challenge and costly. Extraction and synthetic modification of bioactive compounds from …

The present work deals with the synthesis of some novel azo derivatives of
dihydropyrimidinones. The structures of newly synthesized compounds were established on …

In this study, a series of azo compounds were synthesized in excellent yields via the
diazotization of different aromatic amines followed by coupling with 2-naphthol. These …

A Cu (II) complex of 2-hydroxyphenyl-azo-2′-naphthol (HPAN) having the formula CuII
(HPAN) 2 was characterized by different techniques. When HPAN and CuII (HPAN) 2 were …

Two series of new disazo dyes were prepared by diazotising 4, 4′‐
diaminodiphenylsulphonamide and 4, 4′‐diaminodiphenylurea and coupling with 3 …