SYNTHESIS OF BENZOTRIAZOLE DERIVATIVESPURPOSE:To obtain title compounds in high yields, useful as UV-absorbors, antioxidants, anti-corrosives, etc., by catalytic hydroxyclization of 2-nitro-2'-hydroxyazobenzene derivatives.NAKAJIMA KAZUOHIIRO TAKESHI...
A vigorously stirred mixture of benzotriazole (512 g, 4.30 mol), benzyl carbamate (650 g, 4.30 mol) and glyoxylic acid monohydrate (396 g, 4.30 mol) in toluene (12 L) was heated to reflux and water removed using a Dean and Stark apparatus. ...
The room-temperature task-specific nitrite ionic liquids SPIN and salts (III) are found to be effective nitrosonium sources for the preparation of benzotriazole derivatives (II) from 1,2-diaminobenzene derivatives.doi:10.1002/chin.201402133Valizadeh, Hassan...
triazole derivativesCoupling of benzotriazole (I) with the bromides (II) or (V) or the crotonate (XI) yields the 1- and 2-substituted benzotriazoles (III) and (IV), (VI) and (VII), or (XII) and (XIII).doi:10.1002/chin.198834177...
Synthesis of α-Benzotriazole Selenides and Tellurides Promoted by Samarium Diiodideorgano-tellurium compounds, isocyclic C derivativesorgano-selenium compounds, isocyclic C derivatives1-(Benzotriazol-1-yl) unsymmetrical diorganyl selenides and tellurides were synthesized via replacement of chlorine atom ...
Synthesis of polybrominated benzimidazole and benzotriazole derivatives containing a tetrazole ring and their cytotoxic activityŁukowska-ChojnackaE.WińskaP.WielechowskaM.BretnerMONATSHEFTE FUR CHEMIE
Of the examined synthetic compounds in different categories, benzimidazole derivatives established better antifungal activities than benzotriazole derivatives, and the piperazine analogue had no significant antifungal effect. 展开 关键词: Benzimidazole Benzotriazole Aminothiazole Antifungal activity ...
Benzotriazole derivatives act as a precursor in organic chemistry and have proven to be rich sources of medicinal agents. Benzotriazoles have been widely used in synthetic intermediates and industrial applications, such as anticorrosive agents, photo stabilizers, dyes, photographic materials, and ...
ChemInform Abstract: Synthesis of 1‐Benzotriazolmethyl Phosphonate by Reaction of Sodium Phosphite with 1‐(Chloromethyl)benzotriazole.organo‐phosphorus compounds, heterocyclic C derivativesChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100...
ChemInform Abstract: SYNTHESIS OF BENZOTRIAZOLEStriazole derivativesNo abstract is available for this article.doi:10.1002/chin.198246195TERPUGOVA M. P.AMOSOV YU. I.KOTLYAREVSKII I. L.WILEY‐VCH Verlag GmbHChemischer Informationsdienst