Add time:08/17/2019         Source:sciencedirect.com

The palladium Pd(PPh3)4-catalyzed coupling reaction of allenyl N-tosylcarbamates with hypervalent iodonium salts afforded the cyclized trans-5-substituted oxazolidinones, 3-oxazin-2-ones, and higher membered carbamates under mild conditions.

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