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CAS号127-41-3 紫罗兰酮 | CAS号24190-29-2 [R-(E)]-4-(2,6,... | CAS号555-31-7 异丙醇铝 | CAS号67-63-0 异丙醇 | CAS号127-41-3 紫罗兰酮 | CAS号783324-41-4 acetic acid,4-(... | CAS号79-76-5 4-(2,2-二甲基-6-亚甲... | CAS号475-03-6 1,2,3,4-四氢-1,1,... | CAS号84651-10-5 1-butyl-2,4,6-t... | CAS号85329-77-7 1,1,4,4-tetrame... | CAS号84651-11-6 1-butyl-2,3,6-t... | CAS号85329-78-8 1,1,4,4-tetrame...📜Alpha-Ionone置于sodium Tetrahydroborate,Erbium(III) Triflate体系中,用 2-甲基四氢呋喃 用作溶剂,化学反应 0.08H,以99%的收率获得alpha-紫罗兰醇
参考文献:Eco-Friendly Stereoselective Reduction Of α,β-Unsaturated Carbonyl Compounds By Er(Otf)3/nabh4 In 2-Methf
标题:Eco-Friendly Stereoselective Reduction Of α,β-Unsaturated Carbonyl Compounds By Er(Otf)3/nabh4 In 2-Methf
摘要:An Operationally Simple And Environmentally Benign Catalytic Procedure Has Been Developed To Selectively Reduce Different Alpha,Beta-Unsaturated Ketones. The Corresponding Allylic Alcohols Are Obtained With High Chemo-And Diastereoselectivity Using Er(Otf)(3) And Nabh4 In 2-Methf. This Protocol Reduces The Amount Of Catalyst And Nabh4 Needed,Compared To Classical Procedures And The Stages Of Extraction/purification Are Carried Out In Aqueous Solutions Avoiding The Use Of Toxic Solvents. Taking Into Account That Er(Otf)(3) Can Be Considered Even Less Toxic Than Table Salt And The 'Greenness' Of 2-Methf As A Solvent,The System Er(Otf)(3)/2-Methf Can Be Proposed As A Cheap,Efficient,And Environmentally Sustainable Reduction System For The Synthesis Of Allylic Alcohols. (C) 2014 Elsevier Ltd. All Rights Reserved.
Doi:10.1016/j.Tet.2014.12.005
专利信息
专利号:CN-102617659-A
优先权日:2012-03-09
标题:Synthesis of α-ionol glucoside and its flavoring application in cigarettes
专利号:CN-100361948-C
优先权日:2005-12-30
标题:Synthesis of ketone-substituted alpha-ionone, ketone-substituted beta-ionone, ether and ester derivative by one-step method