Aromatic systems with 10.PI. electrons derived from 3a-azapentalene. Part 40. Studies on the 1,2,4-triazolo(4,3-b)(1,2,4)triazole series.
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概要
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The synthesis, structure, and reactivity of several 1,2,4-triazolo[4,3-<I>b</I>][1,2,4]triazole derivatives have been studied. Structures have been established throughout a careful carbon-13 NMR study, and for the most unusual one (inner salt of 2-methyl-3-methylthio-6-phenyl-7<I>H</I>-1,2,4-triazolo[4,3-<I>b</I>][1,2,4]triazolium hydroxide) by X-ray crystallography: the space group is P21/c, the cell constants are <I>a</I>=12.6939(5), <I>b</I>=16.0936(6), <I>c</I>=12.0239(5) and β=107.247(3)° and <I>Z</I>=8. The <I>S</I>-methyl group is directed towards the fusion of the five-membered rings at +/−syn conformations. The azapentalene moieties have the first atoms of the substituents on its plane and the 6-phenyl rings make an angle of −26.7 and −4.3° with it, in the two independent molecules respectively.
- 公益社団法人 日本化学会の論文
著者
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Elguero Jose
Instituto De Quimica Medica
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Claramunt Rosa
Química Organica, Universidad Nacional de Educación a Distancia, Ciudad Universitaria
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Alajarin Mateo
Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Murcia
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Molina Pedro
Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Murcia
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Tarraga Alberto
Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Murcia
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Vilaplana Ma
Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Murcia
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Foces-Foces Ma
Departamento de Rayos X, Institute de Química Física "Rocasolano"
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Hernandez Cano
Departamento de Rayos X, Institute de Química Física "Rocasolano"
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Hernandez Cano
Departamento de Rayos X, Institute de Química Física "Rocasolano"
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- Aromatic systems with 10.PI. electrons derived from 3a-azapentalene. Part 40. Studies on the 1,2,4-triazolo(4,3-b)(1,2,4)triazole series.