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Reactions of 4‐Hydrazinocarbonylmethylene 3‐Arylsydnones and 3‐(4‐Hydrazinocarbonylphenyl)sydnones

 

作者: Shaw‐Tao Lin,   Mein‐Lin Yang,   Hsien‐Ju Tien,  

 

期刊: Journal of the Chinese Chemical Society  （WILEY Available online 1999）
卷期: Volume 46, issue 1  

页码: 63-68

 

ISSN:0009-4536

 

年代: 1999

 

DOI:10.1002/jccs.199900008

 

出版商: WILEY‐VCH Verlag

 

关键词: Hydrazinocarbonylphenylsydnones;Cyclization;Oxadiazoles;Dihydropyrroles;Pyrroles;Tautomerization

 

数据来源: WILEY

 

摘要:

AbstractThe 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 theC(4)‐CH2resists a cyclization under the same reaction condi

 

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