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Preferable tautomer of dihydropyrazolo[5, 1‐ c ][1, 2, 4]triazines in solution
Author(s) -
Kurasawa Yoshihisa,
Kamigaki Yumiko,
Kim Ho Sik,
Yonekura Keiko,
Takada Atsushi,
Okamoto Yoshihisa
Publication year - 1989
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.5570260367
Subject(s) - tautomer , chemistry , computational chemistry , medicinal chemistry
Dihydropyrazolo[5, 1‐ c ][1, 2, 4]triazines 6, 7 and 8 were found to predominate as the 4, 6‐dihydro tautomeric form in solution by the measurement of ID NOE different spectra.