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Optically Active 2,3‐Allenoates

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Under mild conditions, optically active 2,3‐allenoates were synthesized from enantioenriched propargylic mesylates with moderate to excellent yields and high efficiency of chirality transfer by using palladium(0) bis(dibenzylideneacetone) (3 mol%) with (S)‐(−)‐5,5′‐bis(diphenylphosphino)‐4,4′‐bi‐1,3‐benzodioxole [(S)‐SEGPHOS] (3 mol%) as the catalyst and diammonium hydrogen phosphate (1.1 equiv .) as the base.

Document Type: Research Article


Affiliations: Shanghai Key Laboratory of Green Chemistry and Chemical Process, Department of Chemistry, East China Normal University, 3663 North Zhongshan Lu, Shanghai 200062, People's Republic of China, Fax: (+86) 21-62609305

Publication date: 2013-03-11

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