化学学报 ›› 1987, Vol. 45 ›› Issue (4): 412-414. 上一篇    下一篇

研究论文

2-甲基-1,5-苯并硫氮杂的基态和激发态反应的研究III:2-甲基-1,5-苯并硫氮杂4-(5H)-酮与-4-甲基-1,5-苯并硫氮杂-2(3H)-酮间的互变异构

WAMHOFF,H;马敬骥   

  1. 西德波恩大学有机和生物化学研究所
  • 发布日期:1987-04-15

Studies on ground and excited reactions of 2-methyl-1,5-benzothiazepines III: The Tautomerism between 2-methyl-1,5-benzothiazepin-4(5H)-one and 4-methyl-1,5-benzothiazepin-2(3H)-one

WAMHOFF,H;MA JINGJI   

  • Published:1987-04-15

用化学反应和光谱分析证实了2-甲基(1,5)苯并硫氮杂环庚三烯-4(5H)-酮和4-甲基(1,5)苯并硫氮杂环庚三烯-2(3H)-酮是作为互变异构混合物存在的.

关键词: 碳13核磁共振谱法, 氮杂环化合物, 苯 P, 质子磁共振谱法, 激发态, 酮, 互变异构, 硫杂环化合物, 基态, 环庚三烯 P

It is demonstrated from chem. reactions and spectroscopic analyses that 2-methyl-1,5-benzothiazepin-4(5H)-one (I) and 4-methyl-1,5-benzothiazepin-2(3H)-one (II) exist as a tautomeric mixture

Key words: C13 NMR SPECTROMETRY, NITROGEN HETEROCYCLICS, BENZENE P, PROTON MAGNETIC RESONANCE SPECTROMETRY, EXCITED STATE, KETONE, TAUTOMERISM, SULFUR HETEROCYCLICS COMPOUNDS, GROUND STATE, CYCLOHEPTATRIENE P

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