About: Acid-catalyzed decomposition of stable 1-(2,1-benzisothiazol-3-yl)-3-phenyltriazenes     Goto   Sponge   NotDistinct   Permalink

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  • The acid-catalyzed decomposition of unusually stable 1-(2,1-benzisothiazol-3-yl)-3-phenyltriazenes in either aqueous perchloric acid or an aqueous mixture of perchloric and acetic acid was studied under pseudo-first order reaction conditions at 25 degrees C. Different products were obtained according to substitution on nitrogen N-3. An A-S(E)2 mechanism in which protonation of the triazene nitrogen proceeds simultaneously with cleavage of the N-N bond is proposed. Tautomerism of 1-(2,1-benzisothiazol-3-yl)3-phenyltriazene was investigated using H-1 NMR spectroscopy.
  • The acid-catalyzed decomposition of unusually stable 1-(2,1-benzisothiazol-3-yl)-3-phenyltriazenes in either aqueous perchloric acid or an aqueous mixture of perchloric and acetic acid was studied under pseudo-first order reaction conditions at 25 degrees C. Different products were obtained according to substitution on nitrogen N-3. An A-S(E)2 mechanism in which protonation of the triazene nitrogen proceeds simultaneously with cleavage of the N-N bond is proposed. Tautomerism of 1-(2,1-benzisothiazol-3-yl)3-phenyltriazene was investigated using H-1 NMR spectroscopy. (en)
Title
  • Acid-catalyzed decomposition of stable 1-(2,1-benzisothiazol-3-yl)-3-phenyltriazenes
  • Acid-catalyzed decomposition of stable 1-(2,1-benzisothiazol-3-yl)-3-phenyltriazenes (en)
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  • Acid-catalyzed decomposition of stable 1-(2,1-benzisothiazol-3-yl)-3-phenyltriazenes
  • Acid-catalyzed decomposition of stable 1-(2,1-benzisothiazol-3-yl)-3-phenyltriazenes (en)
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  • RIV/00216275:25310/09:00008356!RIV10-MSM-25310___
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  • RIV/00216275:25310/09:00008356
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  • 1-(2,1-Benzisothiazol-3-yl)-3-phenyltriazenes; Acid-catalyzed decomposition; automerism; Mechanism; Kinetics (en)
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  • GB - Spojené království Velké Británie a Severního Irska
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  • 80
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  • Hanusek, Jiří
  • Macháček, Vladimír
  • Přikryl, Josef
  • Bělohlavová, Hana
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  • 0143-7208
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  • 25310
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