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E- or Z-selective Horner-Wittig reactions of substituted bicyclo[3.3.0]octane-3-ones with chiral phosphonoacetates
Institution:2. Duke University Medical System, Durham, North Carolina;1. Key Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic Affairs Commission & Ministry of Education, Yunnan Minzu University, Kunming 650031, PR China;2. Yunnan Academy of Tobacco Science, China Tobacco Yunnan Industrial Co., Ltd., Kunming 650106, PR China;1. Ioffe Institute, RAS, 194021 St.-Petersburg, Russia;2. Institute of Macromolecular Chemistry, NASU, 02160 Kyiv, Ukraine;3. AMME-LECAP International Lab., Institute for Material Research, Université de Rouen, Faculté des sciences, BP12, 76801 Saint Etienne du Rouvray, France;1. Université de Lyon, Lyon, F-69003, France;2. Université de Lyon 1, Ingénierie des Matériaux Polymères (IMP), Villeurbanne, F-69622, France;3. CNRS, UMR5223, Villeurbanne, F-69621, France;4. Aix Marseille Univ, CNRS, ICR UMR 7273, 13013, Marseille, France;5. ARKEMA, Centre d’Etude de Recherche et de Développement, 27470, Serquigny, France;1. State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China;2. Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China;3. Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;1. Department of Chemistry, Faculty of Science, King Khalid University, Abha, Saudi Arabia;2. Department of Chemistry, Faculty of Science (Men''s Campus), Al-Azhar University, Nasr City, Cairo, Egypt;3. Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt
Abstract:The Horner-Wittig reaction of substituted bicyclo3.3.0]octane-3-ones with chiral phosphonoacetates 2 gave the corresponding unsaturated esters in E/Z-ratios of up to 91 : 9.
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