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Decarboxylation of 4-Hydroxy-2H-1,2-Benzothiazine-3-carboxylic Acid 1,1-Dioxide13C NMR Detection of an Enolic Intermediate

 

作者: CeliaB. Schapira,   IsabelA. Perillo,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1994）
卷期: Volume 27, issue 4  

页码: 587-594

 

ISSN:0038-7010

 

年代: 1994

 

DOI:10.1080/00387019408007262

 

出版商: Taylor & Francis Group

 

关键词: Decarboxylation;4-Hydroxy-2H-1,2-benzothiazine-3-car-boxylic Acid 1,1-Dioxide;β-Ketoacids;enolic intermediate

 

数据来源: Taylor

 

摘要:

An intermediate compound, most likely enolic (A), was detected by13C-NMR spectroscopy during decarboxylation of 4-hydroxy-2H-1,2-benzothiazine-3-carboxylic acid 1,1-dioxide (I).

 

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