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Some reactions of 3,6‐disubstituted‐ s ‐tetrazines; A new synthesis of the 1,2,4‐triazine ring system
Author(s) -
Roffey Patrick,
Verge John P.
Publication year - 1969
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.5570060408
Subject(s) - chemistry , cycloaddition , triazine , ring (chemistry) , enol , medicinal chemistry , pyridazine , organic chemistry , catalysis
The synthesis of variously substituted pyridazines by 1,4‐cycloaddition of cyclic enol ethers, esters, and some electron‐rich acetylenes is described. Extension of the scheme to include some imino‐ethers as dienophiles resulted in the synthesis of 1,2,4‐triazine derivatives.