1892
DOI: 10.1002/cber.189202502175
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Ueber die Einwirkung von Diazobenzol auf Acetessigäther

Abstract: 3201 476. Eug. Bemberger und E. Wheelwright: Ueber die Einwirkung yon Diesobenxol aui Aoeteseiggther. ' ) [Mittheilung von E. B a m b e r g e r aus dem chem. Labor. der Akademie d. Wissensch. zu Miinchen.) (V. Mittheilung iiber ngemischtecc Azokorper.) (Eingegangen am 27. October.) Bei der Einwirkung von Diazobenzol auf Acetessigtither entstebt nach alteren Versuchen V. M e y e r ' s der sogenannte BBenzolazoacetessigiitherq z, : ' 1 Dam Diazobenzol rnit aliphatischen Carbonylverbindungen, welche eine )>saurea… Show more

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Cited by 55 publications
(43 citation statements)
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“…In sharp contrast the coordination chemistry of these formazanes and anionic formazanido ligands towards transition metals has a long-standing tradition following pioneering work of Bamberger et al 10 However, despite of a variety of methods available for their synthesis, 1,[11][12][13][14] formazan complexes typically have been limited to N,N-diaryl ligands.…”
Section: Introductionmentioning
confidence: 99%
“…In sharp contrast the coordination chemistry of these formazanes and anionic formazanido ligands towards transition metals has a long-standing tradition following pioneering work of Bamberger et al 10 However, despite of a variety of methods available for their synthesis, 1,[11][12][13][14] formazan complexes typically have been limited to N,N-diaryl ligands.…”
Section: Introductionmentioning
confidence: 99%
“…Formazans were first reported by Von Pechmann [1] and by Bamberger [2]. They are intense coloured dyes characterized by their prominent π-π* transitions and these transitions are sensitive to the nature of the substituent present in the phenyl rings, nature of the organic solvents in solution and the acidity and basicity of the medium [3]- [5].…”
Section: Introductionmentioning
confidence: 99%
“…As is known, 1,2,4-benzotriazines free of substituents in the triazine cycle, as well as their 3-alkyl or 3-aryl derivatives, can be obtained via cyclization of the corresponding 1,5-diphenyl-, 3-alkyl-1,5-diphenyl-, or 1,3,5-triphenylformazans in sulfuric acid (Bamberger method) [9,10] or in BF 3 /AcOH [11]. Various methods have been developed for the synthesis of benzotriazines from 2-aminophenylhydrazines [12 -14] or benzofuroxanes [15,16] via reactions with arylnitriloxides.…”
mentioning
confidence: 99%