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Synthesis, spectroscopic and crystal structure studies of N,N'-Bis [2-hydroxy-3-methoxybenzylidene] diaminobenzene derivatives
University of Aden Journal of Natural and Applied Sciences. 2010; 14 (2): 325-247
em Inglês | IMEMR | ID: emr-122767
ABSTRACT
The reaction of 0-vanillin 1 with phenylenediamine isomers 2-4 in dichloromethane formed three diaminobenzene derivatives N,N'-bis [2-hydroxy-3-methoxybenzylidene]-1,2-diaminobenzene 5, N,N'-bis [2-hydroxy-3-methoxybenzylid-ene]-l,3-diaminobenzene 6 and N,N'-bis [2-hydroxy-3-methoxybenzylidene]-l,4-di-aminobenzene 7, respectively, All compounds were obtained as single crystals and the structures were determined by X-ray crystallography. All compounds were confirmed by FTIR, HRMS, ID and 2D NMR spectroscopy. The complete assignments of these compounds, using ID and 2D NMR including APT, DEPT-135, COSY, HMQC and HMBC in CDC1[3], will be discussed
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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Análise Espectral / Derivados de Benzeno / Diaminas Idioma: Inglês Revista: Univ. Aden. J. Nat. Appl. Sci. Ano de publicação: 2010

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Índice: IMEMR (Mediterrâneo Oriental) Assunto principal: Análise Espectral / Derivados de Benzeno / Diaminas Idioma: Inglês Revista: Univ. Aden. J. Nat. Appl. Sci. Ano de publicação: 2010