Gold-catalyzed formation of pyrrolo- and indolo-oxazin-1-one derivatives: The key structure of some marine natural products

Date

2015-05-28

Author

Taşkaya Aslan, Sultan
Menges, Nurettin
BALCI, METİN

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Various N-propargylpyrrole and indolecarboxylic acids were efficiently converted into 3,4-dihydropyrrolo- and indolo-oxazin-1-one derivatives by a gold(III)-catalyzed cyclization reaction. Some of the products underwent TFA-catalyzed double bond isomerization and some did not. Cyclization reactions in the presence of alcohol catalyzed by Au(I) resulted in the formation of hemiacetals after cascade reactions.

Subject Keywords

Alkyne cyclization, Gold-catalyzed reaction, Indolo-oxazin-1-one, Marine natural products, Pyrrolo-oxazin-1-one

URI

https://hdl.handle.net/11511/41153

Collections

Department of Chemistry, Article