Tetrahedron Letters p. 3565 - 3568 (1991)
Update date:2022-08-04
Topics:
Dehaen, Wim
Becher, Jan
5-Amino-4-cyanopyrazoles are prepared by thermolysis from 5-azido-4-iminomethylpyrazoles in fair yields.The reaction occurs via a ring opening-ring closure mechanism.The intermediate azocompound was isolated.
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