SYNTHESIS OF 5-AMINO-4-CYANOPYRAZOLES VIA RING OPENING-RING CLOSURE OF 5-AZIDO-4-IMINOMETHYLPYRAZOLES. ISOLATION OF THE INTERMEDIATE

DOI: 10.1016/0040-4039(91)80835-T

Source and publish data:

Tetrahedron Letters p. 3565 - 3568 (1991)

Update date:2022-08-04

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Authors:

Dehaen, Wim

Becher, Jan

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Article abstract of DOI:10.1016/0040-4039(91)80835-T

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.

Full text of DOI:10.1016/0040-4039(91)80835-T

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