Journal of Heterocyclic Chemistry

The synthesis of substituted pyrazino [2, 3??d]??1, 2, 4??triazolo [4, 3??b] pyridazines

RD Thompson, RN Castle

文献索引：Thompson, Robert Douglas; Castle, Raymond N. Journal of Heterocyclic Chemistry, 1981 , vol. 18, p. 1523 - 1527

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被引用次数: 7

摘要

Abstract The synthesis of 1, 2, 4-triazolo [4, 3-b] pyridazines and the unknown ring system, pyrazino [2, 3-d]-1, 2, 4-triazolo [4, 3-b] pyridazine, has been achieved. The preparation of the new tricyclic 1, 2, 4-triazole was accomplished first by ring closure of the triazole ring followed by formation of the pyrazine ring. Substitution of the pyrazino [2, 3-d]-1, 2, 4-triazolo [4, 3-b] pyridazine ring system was carried out in order to provide information of its ...