ChemInform Abstract: Novel Syntheses of 2,3-Dihydro-1,5-benzothiazepin-4(5H)-ones and 2H-1,4-Benzothiazin-3(4H)-ones

Autor: Suoming Zhang, Alan R. Katritzky, Charles J. Rostek, Herman H. Odens, Otto W. Maender
Rok vydání: 2010
Předmět:
Zdroj: ChemInform. 33
ISSN: 1522-2667
0931-7597
DOI: 10.1002/chin.200211152
Popis: Nucleophilic additions of α-mercaptoalkanoate esters and β-mercaptoalkanoate acids to benzoquinone diimines, followed by cyclization with trifluoroacetic acid or 1,3-dicyclohexylcarbodiimide (DCC), provide novel, high-yielding syntheses of 2H-1,4-benzothiazin-3(4H)-ones (3a−f) and 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones (5a−c), respectively.
Databáze: OpenAIRE
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