Efficient tautomerization hydrazone-azomethine imine under microwave irradiation. Synthesis of [4,3'] and [5,3']bipyrazoles

DOI: 10.1016/S0040-4020(98)00798-4

Source and publish data:

Tetrahedron p. 13167 - 13180 (1998)

Update date:2022-08-03

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Authors:

Arrieta, Ana

Carrillo, Jose Ramon

Cossio, Fernando P.

Diaz-Ortiz, Angel

Gomez-Escalonilla, Maria Jose

De La Hoz, Antonio

Langa, Fernando

Moreno, Andres

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Article abstract of DOI:10.1016/S0040-4020(98)00798-4

Microwave irradiation induces the thermal isomerization of pyrazolyl hydrazones to the corresponding azomethine imines which undergo 1,3-dipolar cycloaddition with electron-poor dipolarophiles in a few min with good yields. By classical heating, several d

Full text of DOI:10.1016/S0040-4020(98)00798-4

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