Ru-catalyzed intermolecular [3+2+1] cycloaddition of alpha,beta-unsaturated ketones with silylacetylenes and carbon monoxide leading to alpha-pyrones |
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| Authors: | Fukuyama Takahide Higashibeppu Yuki Yamaura Ryo Ryu Ilhyong |
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| Institution: | Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan. |
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| Abstract: | Ruthenium catalyzes a carbonylative 3+2+1] cycloaddition, using silylacetylenes, alpha,beta-unsaturated ketones, and CO as the starting materials, providing the new method for the synthesis of tetrasubstituted alpha-pyrones. In this reaction, the carbonyl group and alpha-carbon of vinyl ketones are incorporated as a three-atom assembling unit. reaction: see text]. |
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