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A convenient synthesis of novel spiro[benzoxazole‐2′,4(1 H ,3′ H )‐pyrazolo[5,1‐ c ][1,2,4]triazines] by ring transformation of novel pyrazolo[1′,5′:3,4][1,2,4]triazino[5,6‐ b ][1,5]benzoxazepines
Author(s) -
Kurasawa Yoshihisa,
Okiyama Mari,
Kamigaki Yumiko,
Kanoh Megumi,
Okamoto Yoshihisa,
Takada Atsushi
Publication year - 1987
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.5570240658
Subject(s) - benzoxazole , chemistry , ring (chemistry) , transformation (genetics) , stereochemistry , medicinal chemistry , combinatorial chemistry , organic chemistry , biochemistry , gene
Novel pyrazolo[1′,5′:3,4][1,2,4]triazino[5,6‐ b ][1,5]benzoxazepines 5, 6 and 8 were synthesized, and these compounds were converted into novel spiro[benzoxazole‐2′,4(1 H ,3′ H )‐pyrazolo[5,1‐ c ][1,2,4]triazines] 7 and 9 by ring transformation.