Journal
MONATSHEFTE FUR CHEMIE
Volume 150, Issue 1, Pages 3-10Publisher
SPRINGER WIEN
DOI: 10.1007/s00706-018-2320-x
Keywords
Heterocycles; Strained molecules; BrOnsted acid; Catalysis
Categories
Funding
- Austrian Science Fund (FWF)
- ERC (CoG VINCAT)
- FWF [P30226]
- University of Vienna
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A BrOnsted acid-catalyzed selective arene-ynamide cyclization is described. This reaction proceeds via a keteniminium intermediate and enables the preparation of seven-membered ring enamide products. Mechanistic studies uncover an unusual product inhibition behavior. [GRAPHICS] .
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