1,2,4‐Triazoles. XX. Pyrolytic decomposition of ketone hydrazones derived from pyrid‐2‐ylhydrazine and related bases. Some further examples of the  s ‐triazolo[4, 3‐α]pyrazine and  s ‐triazolo[4, 3‐ a ]quinoxaline series | Zendy

Potts K. T. | Zendy; Schneller S. W. | Zendy

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1,2,4‐Triazoles. XX. Pyrolytic decomposition of ketone hydrazones derived from pyrid‐2‐ylhydrazine and related bases. Some further examples of the s ‐triazolo[4, 3‐α]pyrazine and s ‐triazolo[4, 3‐ a ]quinoxaline series

Author(s) -

Potts K. T.,

Schneller S. W.

Publication year - 1968

Publication title -

journal of heterocyclic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.321

H-Index - 59

eISSN - 1943-5193

pISSN - 0022-152X

DOI - 10.1002/jhet.5570050408

Subject(s) - pyrazine , chemistry , quinoxaline , ketone , ring (chemistry) , decomposition , triazole , pyrolytic carbon , isomerization , medicinal chemistry , organic chemistry , pyrolysis , catalysis

Pyrolytic decomposition of ketone 2‐heterylhydrazones has been shown to be unsatisfactory for the preparation of fused s ‐triazole derivatives. The introduction of more diversified substituents into the s ‐triazolo[4, 3‐ a ]pyrazine and s ‐triazolo[4,3‐ a ]quinoxaline systems has been accomplished and some reactions and spectral characteristics of these ring systems are reported. Isomerization of the s ‐triazolo[4, 3‐ a ]pyrazine system to the s ‐triazolo[1,5‐ a ]pyrazine system is described.

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