نتایج جستجو برای: benzothiazole hydrazones
تعداد نتایج: 2216 فیلتر نتایج به سال:
Synthesis, Characterization and Biological Activity of Various Substituted Benzothiazole Derivatives
A series of 2-(benzo[d]thiazol-2-ylthio)-N-(2-oxoindolin-3-ylidene)acetohydrazide (3a3g), 2-(benzo [d]thiazol-2-ylthio)-N-(2,4’-dioxospiro[indolin-3,2’-thiazolidin)-3’yl)acetamide (4a-4g) and 2'-((benzo[d]thiazol-2-ylthio)methyl)spiro[indoline-3,5'thiazolo[4,3-b][1,3,4]oxadiazol]-2-ones (5a-5g) have been synthesized and screened for their anti-inflammatory, analgesic and antibacterial activitie...
The effect of substituents in the aniline donor and type heterocyclic acceptor/donor moieties on yields 1,2-trans- 1,1-isomer ethylene D-π-A chromophores Pd-catalyzed Heck reaction has been studied. Various – derivatives quinoline, quinoxaline, benzothiazole, carbazole indolizine were synthesized.
Stable organoboron complexes as classic fluorescent molecules have found various applications in biotechnology and material sciences. A new class of isoindolin-1-one based BF2 complexes containing pyridine or benzothiazole groups has been prepared from a facile "one-pot" reaction and characterized structurally, spectroscopically and electrochemically. These novel dyes show broad and intense abs...
Benzothiazole derivatives are widely used as industrial chemicals; mainly as fungicides in the leather and wood processing industries, herbicides, components in automobile antifreeze, corrosion inhibitor in cooling systems, and in particular as vulcanization accelerators in the rubber industry1. Benzothiazole enters the environment from a variety of sources such as the leaching of rubber produc...
The title compound, C(7)H(6)N(4)O(4), plays an important role in the synthesis of biologically active compounds. The planar hydrazone group is oriented at a dihedral angle of 8.27 (3)° with respect to the benzene ring. In the crystal structure, inter-molecular N-H⋯O and N-H⋯N hydrogen bonds link the mol-ecules.
A series of 6-amidinobenzothiazoles, linked via phenoxymethylene or directly to the 1,2,3-triazole ring with a p-substituted phenyl benzyl moiety, were synthesised and evaluated in vitro against four human tumour cell lines protozoan parasite Trypanosoma brucei. The influence type amidino substituent linker on antiproliferative antitrypanosomal activities was observed, showing that imidazoline ...
A highly selective fluorescent probe for a protein tyrosine phosphatase (PTP) was designed by a simple phosphorylation of the 2-(2'-hydroxyphenyl)benzothiazole (HBT) chromophore: upon selective enzymatic hydrolysis, an excited-state intramolecular proton transfer (ESIPT) occurs, resulting in a large Stokes shift.
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