Rhodium‐Catalyzed Spiro Indenyl Benzoxazine Synthesis via C‐H Activation/Annulation of 3‐Aryl‐2H‐Benzooxazines and Alkynes

Rhodium‐Catalyzed Spiro Indenyl Benzoxazine Synthesis via C‐H Activation/Annulation of 3‐Aryl‐2H‐Benzooxazines and Alkynes

The rhodium (III)‐catalyzed annulation of 3‐Aryl‐2H‐Benzo[b][1,4]oxazines with alkynes via C–H activation has been developed. This reaction afforded a series of spiro indenyl benzoxazine in high yields under mild reaction condition with good functional group tolerance.

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Veröffentlicht in:European journal of organic chemistry 2020-08, Vol.2020 (29), p.4542-4546
Hauptverfasser: Tan, Heng, Ronibala Devi Laishram, Zhang, Xuexin, Shi, Guangrui, Li, Kangkui, Chen, Jingchao
Format: Artikel
Sprache:eng
Schlagworte:
Activation
Alkynes
Aromatic compounds
Benzoxazines
Chemical reactions
Chemical synthesis
Functional groups
Organic chemistry
Rhodium
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Zusammenfassung:The rhodium (III)‐catalyzed annulation of 3‐Aryl‐2H‐Benzo[b][1,4]oxazines with alkynes via C–H activation has been developed. This reaction afforded a series of spiro indenyl benzoxazine in high yields under mild reaction condition with good functional group tolerance.
ISSN:1434-193X
1099-0690
DOI:10.1002/ejoc.202000668