Ru (II)‐Catalyzed Coupling‐Cyclization of Sulfoximines with alpha‐Carbonyl Sulfoxonium Ylides as an Approach to 1,2‐Benzothiazines

Ru (II)‐Catalyzed Coupling‐Cyclization of Sulfoximines with alpha‐Carbonyl Sulfoxonium Ylides as an Approach to 1,2‐Benzothiazines

A Ru(II)‐catalyzed approach for the rapid assembly of 1,2‐benzothiazines has been developed to enable the coupling‐cyclization of aryl Csp2−H bonds with α‐carbonyl sulfoxonium ylides via Csp2−H activation process. The present method could be further applied to the construction of the 4‐substituted 1...

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Veröffentlicht in:Advanced synthesis & catalysis 2018-09, Vol.360 (18), p.3534-3543
Hauptverfasser: Xie, Haisheng, Lan, Jianyong, Gui, Jiao, Chen, Fengjuan, Jiang, Huangfeng, Zeng, Wei
Format: Artikel
Sprache:eng
Schlagworte:
1,2-Benzothiazines
Aromatic compounds
Carbonyls
Coupling
Coupling-cyclization
Ruthenium catalysis
Sulfoximines
Sulfur ylides
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Zusammenfassung:A Ru(II)‐catalyzed approach for the rapid assembly of 1,2‐benzothiazines has been developed to enable the coupling‐cyclization of aryl Csp2−H bonds with α‐carbonyl sulfoxonium ylides via Csp2−H activation process. The present method could be further applied to the construction of the 4‐substituted 1,2‐benzothiazine skeletons.
ISSN:1615-4150
1615-4169
DOI:10.1002/adsc.201800753