Concepedia

Reactions with diazoazoles. Part IV. . [7 + 2]‐ and [11 + 2]‐cyclocondensation reactions of diazoazoles with acyltriphenylphosphonium methylides to azolo[5,1‐<i>c</i>][1,2,4]triazines

Günter Ege, Karlheinz Gilbert

Journal of Heterocyclic Chemistry · 1981 · 21 citations · 12 references

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Abstract

Abstract Acyltriphenylphosphoniummethylides react with diazoazoles in a [2 + 7]‐ or [2 + 11]‐cycloaddition reaction followed by elimination of triphenylphosphane oxide to yield azolo[5,1‐ c ][1,2,4]triazines.

References

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Synthesis and Muscle Relaxant Properties of 3-amino-4-arylpyrazoles

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