Absorption spectra of heterocyclic compounds. Some 6-hydroxy[1,3,4]thiadiazolo[2,3-b]benzimidazoles and their quaternary derivatives.

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概要

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• Some 2-alkyl-6-hydroxy[1,3,4]thiadiazolo[2,3-<I>b</I>]benzimidazoles have been synthesised. Their absorption spectra at different pH show bathochromic shift of the absorption band in the longer wavelengths, which is more pronounced in basic medium. This is ascribed to the dipolar nature of the compounds. Quaternary derivatives of the compounds show a further red shift in the absorption band in the visible region, which further corroborates their dipolar nature.

• 公益社団法人 日本化学会の論文

著者

• Saxena J.

  Department of Chemistry, University of Jodhpur

• Soni R.

  Department of Chemistry, University of Jodhpur

関連論文

• Absorption spectra of heterocyclic compounds. Some 6-hydroxy[1,3,4]thiadiazolo[2,3-b]benzimidazoles and their quaternary derivatives.
• Synthesis and absorption spectra of some 6-hydroxythiazolo[3,2-.ALPHA.]-benzimidazoles and their quaternary derivatives.

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