TAUTOMERIC STRUCTURE OF DIHYDROPYRIDAZINO[3,4-<i>b</i>]QUINOXALINES IN SOLUTION AND SOLID STATE

Authors

  • Yoshihisa Kurasawa Department of Chemistry, College of Liberal Arts and Sciences, Kitasato University, Kitasato, Sagamihara, 228, Kanagawa
  • Akiko Takano Department of Chemistry, College of Liberal Arts and Sciences, Kitasato University, Kitasato, Sagamihara, 228, Kanagawa
  • Kazuho Harada Department of Chemistry, College of Liberal Arts and Sciences, Kitasato University, Kitasato, Sagamihara, 228, Kanagawa
  • Atsushi Takada Department of Chemistry, College of Liberal Arts and Sciences, Kitasato University, Kitasato, Sagamihara, 228, Kanagawa
  • Ho Sik Kim Department of Chemistry, College of Liberal Arts and Sciences, Kitasato University, Kitasato, Sagamihara, 228, Kanagawa
  • Yoshihisa Okamoto Department of Chemistry, College of Liberal Arts and Sciences, Kitasato University, Kitasato, Sagamihara, 228, Kanagawa

Abstract

The reaction of 6-chloro-2-(1-methylhydrazinо)quinoxaline 4-oxide with β-diketones and β-keto еsters gave the dihydropyridazino[3,4- b]quinoxalines, which were studied by the NMR spectroscopy and X-ray analysis and found to exist as the 1,5-dihydro form in solution and solid state.

How to Cite
Kurasawa, Y.; Takano, A.; Harada, K.; Takada, A.; Kim, H. S.; Okamoto, Y. Chem. Heterocycl. Compd. 1995, 31, 1088. [Khim. Geterotsikl. Soedin. 1995, 1245.]

For this article in the English edition, see DOI https://doi.org/10.1007/BF01165055

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Published

1995-09-25

Issue

No. 9 (1995)

Section

Original Papers