Regioselective hydration of alkynones by palladium catalysis |
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| Institution: | 1. Department of Materials Chemistry, Faculty of Science and Technology, Ryukoku University, Otsu, Shiga 520-2194, Japan;2. Department of Chemistry and Biochemistry, California State University Long Beach, 1250 Bellflower Blvd., Long Beach, CA 90840, USA;1. School of Chemistry and Life Science, Changchun University of Technology, Changchun, 130012, China;2. Advanced Institute of Materials Science, Changchun University of Technology, Changchun, 130012, China;1. Department of Chemistry & Biochemistry, Abilene Christian University, Abilene, TX 79699, United States;2. Department of Chemistry, University of North Texas, Denton, TX 76203, United States;3. Department of Chemistry & Biochemistry, Texas Christian University, Ft. Worth, TX 76129, United States |
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| Abstract: | Diketones are regioselectively prepared from alkynyl ketones under mild conditions by palladium catalysis; 5-heptyn-2-one and 2-(2-nonynyl)cyclohexanone give 1,4-dikektones whereas 2-(2-heptynyl)cyclopentanone and 5,6-didehydroprostaglandin E2 methyl ester afford 1,5-diketones. |
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