CAS: 123-35-3; Myrcene

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3-甲基-3-丁烯-2-醇置于四(三苯基膦)钯 正丁基锂,四甲基乙二胺体系中,用 三乙胺,甲苯 用作溶剂,化学反应 20.0H,反应生成月桂烯
参考文献:钯催化甲基乙烯基甲醇乙酸酯的区域选择性1,2-消除反应合成2-取代的1,3-丁二烯基化合物
标题:钯催化甲基乙烯基甲醇乙酸酯的区域选择性1,2-消除反应合成2-取代的1,3-丁二烯基化合物
摘要:3-甲基-3-丁烯-2-醇的二价阴离子的烷基化,然后通过乙酰化和钯催化的1,2-消除的甲基乙烯基甲醇甲醛乙酸酯反应,可以合成区域选择性的2-取代的1,3-丁二烯基化合物高异构体纯度.
Doi:10.1016/s0040-4039(01)81561-6

专利信息

专利号:US-9809661-B2
优先权日:2012-07-02
标 题 :Process for continuous synthesis of a diene elastomer
发明人：DUSSILLOLS JEROME; KIENER PIERRE; PAROLA HELENE
权利人:MICHELIN & CIE; MICHELIN RECH TECH; MICHELIN RECH TECH
摘要:A process for the continuous synthesis of diene elastomers with a high degree of conversion is provided. The process includes simultaneously:n a) introducing continuously into a polymerization reactor containing a gas phase and equipped with at least one stirring rotor and a discharge device, at least i. one or more monomers, including at least one conjugated diene monomer, and ii. from 0% to 70% by mass of an organic solvent, calculated relative to the total mass of monomers and of solvent b) continuously polymerizing the monomer(s), c) stirring the polymerization medium via the continuous movement of at least one stirring rotor about a rotary axle, d) continuously discharging the elastomer paste, e) continuously conveying the discharged elastomer paste to a chopping device and chopping it into particles, f) removing solvent from the particles of the elastomer paste, and g) recovering diene elastomer.

专利号:US-7829624-B2
优先权日:2007-06-29
标题:One-pot synthesis of nanoparticles and liquid polymer for rubber applications
发明人：WARREN SANDRA
权利人:BRIDGESTONE CORP
摘要:A method for performing a one-batch synthesis of a blend of nanoparticles and liquid polymer includes polymerizing a first monomer and optionally a second monomer in a hydrocarbon solvent to form the liquid polymer. The polymerization is terminated before completion with a quenching agent. Then a charge of polymerization initiator, and a mixture of multiple-vinyl aromatic monomer and mono-vinyl aromatic monomer are added. This causes further polymerization whereby nanoparticles are formed in situ having a core including the multiple-vinyl aromatic monomer, and a shell including the first monomer or the first monomer and the second monomer. Liquid polymer/nanoparticle blends resulting from the method and rubber compositions incorporating the blends are also disclosed.

专利号:US-10981850-B2
优先权日:2019-04-15
标 题 :One-step flow-mediated synthesis of cannabidiol (CBD) and derivatives
发明人：PORCO JOHN A; BEELER AARON B; BROWN LAUREN E; TRILLES RICHARD V
权利人:UNIV BOSTON
摘要:Herein are described apparatus and processes for the preparation of cannabinoids, such as cannabidiol (CBD) and derivatives thereof. The apparatus and processes described can be used for the one-step, flow-mediated synthesis of cannabidiol and derivatives with improved overall yield, material throughput, and product purity relative to batch processes.

专利号:US-4636570-A
优先权日:1984-09-20
标 题:Tocopherol derivatives useful in the synthesis of vitamin E and their preparation
发明人：CHABARDES PIERRE; MULHAUSER MICHEL
权利人:RHONE POULENC SANTE
摘要:Tocopherol derivatives of the formula: ##STR1## in which X and X 1 , which may be identical or different, each represent hydrogen or chlorine and their acetates are useful in the synthesis of vitamin E.

专利号:US-6107408-A
优先权日:1998-02-26
标题 :Processes for improving linking efficiencies in the synthesis of star polymers
发明人：QUIRK RODERIC PAUL; LETCHFORD ROBERT JAMES; SCHWINDEMAN JAMES ANTHONY
权利人:FMC CORP
摘要:Processes for the synthesis of star or multi-branched polymers and the resultant polymers. One or more alkadiene monomers are polymerized in the presence of suitable organometallic initiators and subsequently coupled to form star polymers. Prior to coupling, one or more alkenylsubstituted aromatic hydrocarbons are incorporated at the living ends of the polydienyl anions to provide increased linking efficiencies.

专利号:US-4056573-A
优先权日:1975-04-24
标题:Synthesis of acyclic, terpene alcohols
发明人：CLOSE RALPH E; DERFER JOHN M
权利人:SCM CORP
摘要:Shown is a process for the synthesis of acyclic, terpene alcohols, such as 3,7-dimethyloctan-1-o1 and 7-substituted hydroxy or ethoxy derivatives thereof, wherein 3-methylbut-1-yn or the 3-substituted hydroxy or ether derivative thereof is coupled with a C5 coupling reagent having the configuration X being a leaving group such as chloride, bromide, iodide, tosylate and mesylate; R being or OR', R' being a lower alkyl up to 5 carbon atoms, phenyl, substituted phenyl up to 10 carbon atoms, cycloalkyl or aralkyl up to 10 carbon atoms, followed by hydrogenation and saponification or deetherification.