Reactions of 4-hydrazinocarbonylmethylene 3-arylsydnones and 3-(4-Hydrazinocarbonylphenyl)sydnones

DOI: 10.1002/jccs.199900008

Source and publish data:

Journal of the Chinese Chemical Society p. 63 - 68 (1999)

Update date:2022-08-03

Topics:

Authors:

Lin, Shaw-Tao

Yang, Mein-Lin

Tien, Hsien-Ju

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Article abstract of DOI:10.1002/jccs.199900008

The phenyl ring of 3-(4-hydrazinocarbonylphenyl)sydnone activates a hydrazinocarbonyl group to undergo a series of reactions for preparing heterocyclic compounds including oxadiazoles, dihydropyrroles, and pyrroles. However, the hydrazinocarbonyl group on the C(4)-CH₂ resists a cyclization under the same reaction conditions.

Full text of DOI:10.1002/jccs.199900008

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