Stereoselective DABCO-Catalyzed Synthesis of (E)-α-Ethynyl-α,β-Unsaturated Esters from Allenyl Acetates
Yongsik Choe and Phil Ho Lee*
*National Research Laboratory for Catalytic Organic Reaction,
Department of Chemistry, Kangwon National University, Chuncheon 200-701,
Republic of Korea, Email: phlee
kangwon.ac.kr
Y. Choe, P. H. Lee, Org. Lett., 2009, 11, 1445-1448.
DOI: 10.1021/ol9001703
Abstract
(E)-α-Ethynyl-α,β-unsaturated esters were prepared in good yields from allenyl acetates by treatment with 10 mol % DABCO in DMF at room temperature.
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Key Words
α,β-unsaturated esters, terminal alkynes, enynes
ID: J54-Y2009-0930
