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A general synthesis of s ‐triazolo[1,5‐ x ] diazines
Author(s) -
Tamura Yasumitsu,
Kim JoongHyup,
Ikeda Masazumi
Publication year - 1975
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.5570120118
Subject(s) - chemistry , acylation , combinatorial chemistry , stereochemistry , medicinal chemistry , organic chemistry , catalysis
Treatment of 2‐aminopyrimidime, a 4‐aminopyrimidine, aminopyrazine, and 3‐aminopyridazines with O ‐mesilylenesulfonylhydroxylamine gave the corresponding N ‐aminodiazinium salts in high yields. These salts could be transformed into s ‐triazolo[1, 5‐ a ] pyrimidines, s ‐triazolo[1, 5‐ a ]‐pyrazines, s ‐triazolo[1, 5‐ c ]pyrimidines, and s ‐triazolo[1, 5‐ b ]pyridazines hy treatment with acylating agents.
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