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Reactions of 4‐Hydrazinocarbonylmethylene 3‐Arylsydnones and 3‐(4‐Hydrazinocarbonylphenyl)sydnones
Author(s) -
Lin ShawTao,
Yang MeinLin,
Tien HsienJu
Publication year - 1999
Publication title -
journal of the chinese chemical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.329
H-Index - 45
eISSN - 2192-6549
pISSN - 0009-4536
DOI - 10.1002/jccs.199900008
Subject(s) - chemistry , sydnone , ring (chemistry) , medicinal chemistry , group (periodic table) , stereochemistry , organic chemistry
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)‐CH 2 resists a cyclization under the same reaction conditions.
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