专利号:US-8258362-B2 优先权日:2009-05-04 标 题:Method for the production of α, ω-olefins by using the copper catalyzed coupling reaction of a Grignard reagent with an allylic substrate 发明人:NACHARAJU KRISHNAMURTHY; TAYLOR PAUL D; COONEY MARK J; CRABTREE LARRY A 权利人:NACHARAJU KRISHNAMURTHY; TAYLOR PAUL D; COONEY MARK J; CRABTREE LARRY A; ISP INVESTMENTS INC 摘要:A process for the synthesis of linear α,ω-diolefins from an allylic substrate comprises the steps of a) forming the bis-Grignard reagent XMgCH2(CH2)nCH2MgX from an α,ω-acyclic dihalide with X being a halogen; b) preparing a solution comprising an allylic substrate and a copper catalyst; c) catalyzing a coupling reaction by adding to the solution of step (b) the bis-Grignard reagent of step (a); and d) isolating and purifying the α,ω-olefin coupling reaction product.
专利号:US-7038072-B2 优先权日:2002-07-24 标 题 :Process for monoalkylation of C-H acidic methylene groups 发明人:BODMANN KERSTIN; MEYER OLIVER; KAUFHOLD MANFRED; FIEKER JUERGEN; PAULCZYNSKI RENATE 权利人:DEGUSSA 摘要:The present invention is directed to a process for the synthesis of monoalkylated C—H acidic methylene group-containing compounds, such as malonic esters, and malonic ester nitriles.
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