CAS: 2855-19-8; 1,2-Epoxydodecane

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2984-50-1 7320-37-8 2404-44-6

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1-十二烯十二碳烯α-十二碳烯α-十二碳烯置于过氧乙酸,C26H30F6Mnn8O8S2体系中,用 二氯甲烷,乙腈 用作溶剂,化学反应 0.55H,以94%的收率获得1,2-环氧十二烷
参考文献:"click" Tetradentate Ligands
标题:"click" Tetradentate Ligands
摘要:使用cui催化的叠氮-炔烃"点击"策略,高效合成了系列三唑基n4四面体配体1A-d,并可方便地与多种金属离子(如mnii,Niii,Znii和feii)配位.所得金属配合物的x射线结构(4A-d,5A,6A和7A)显示为具有两个共配体的八面体单核结构,且两个三唑作为氮供体与金属中心处于cis位.Mnii配合物(4A-d)在过乙酸引发的多种脂肪族末端烯烃环氧化反应中表现出高效的催化活性,具有低催化剂负载量,快速转化和高产率的特征.
Doi:10.1039/b922043G

专利信息

专利号:US-11897860-B2
优先权日:2022-03-14
标题 :Direct synthesis of cyclic carbonates using choline chloride as catalyst under mild conditions
发明人：CARRASCO ANALETTE; WEERS JERRY J; BLACKWELL CATHERINE C; MURUGESAN SANKARAN; WANG XIAOFENG; NUGENT DOUGLAS; ROBERTS CORBY A
权利人:BAKER HUGHES OILFIELD OPERATIONS LLC
摘要:A method for direct synthesis of cyclic carbonates is achieved by reacting at least one epoxide with carbon dioxide in the presence of a choline catalyst, such as choline chloride, under mild conditions such as a temperature between about 25° C. to 150° C. and a pressure of from about atmospheric to 75 psi (0.52 MPa), in a cyclic carbonate solvent. The choline catalyst may be the only catalyst used, and a co-catalyst or hydrogen bond donor is not necessary. The concentration of choline catalyst in the solvent ranges from about 0.5 mol % to about 10 mol %, based on the epoxide.

专利号:WO-2016088138-A1
优先权日:2014-12-01
标题 :Diphenyloxiranes, process for preparation thereof, and its use in an enantioselective synthesis of (+)-sertraline
发明人：SURYAVANSHI GURUNATH MALLAPPA; SUDALAI ARUMUGAM; KAMBLE ROHIT BALKRISHNA
权利人:COUNCIL SCIENT IND RES
摘要:The present invention discloses substituted diphenyloxiranes and process for synthesis thereof. The present invention also provides a process for production of enantiomerically pure anti-3,3' -diphenylmethyloxirane and anti-3,3'- diphenylpropan- 1,2-diol from racemic anti-3,3' -diphenylmethyloxirane using hydrolytic kinetic resolution. Further it provides a process for preparation of enantioselective (+)- Sertraline from anti-3,3' -diphenylpropan-1,2-diol.

专利号:US-5073643-A
优先权日:1990-08-30
标 题 :High yield synthesis of hydroxyl-containing cationic photoinitiators
发明人：CRIVELLO JAMES V
权利人:POLYSET CORP
摘要:Synthesis use of a new class of diaryliodonium salt photo and thermal polymerization initiators in which the aryl groups are substituted with alkoxy group bearing hydroxy groups. Good to excellent yields are obtained of diaryliodonium salts in which the aryl groups are substituted with long chain alkoxy groups, which alkoxy groups also possess at least one hydroxyl moiety attached at the 2-position of an alkoxy group. The resultant salts have enhanced solubility when compared with their lower molecular weight counterparts. The hydroxyl groups serve as chain transfer agents; and, in cross linking UV-induced cationic polymerizations, the hydroxyl groups effect marked accelertion on polymerization rates. The salts also have excellent compatability with nonpolar monomers such as epoxidized oil and poly(1,2-butadience oxide) and provide further benefits when they are used along with copper cocatalysts in thermally curable polymer systems. In the latter form of cases, the secondary hydroxyl group serves as a reducing agent for the copper (II) complex.

专利号:US-7342140-B2
优先权日:2002-09-12
标题:Method for the production of polyetherols
发明人：BOHRES EDWARD; HIBST HARTMUT; STOESSER MICHAEL; RUPPEL RAIMUND; BAUM EVA
权利人:BASF AG
摘要:The present invention relates to a process for preparing a polyetherol which comprises reacting at least one alkylene oxide with at least one starter compound in the presence of a catalyst of the formula I:n nM 1 p [M 2 q O n (OH) 2(3-n) ] x ,  (I)n nand to the polyetherols prepared by such a process and to their use for the synthesis of polyurethanes, as fuel additive or as surfactant.

专利号:US-8575081-B2
优先权日:2008-01-31
标 题:Synthesis of diester-based biolubricants from epoxides
发明人：MILLER STEPHEN JOSEPH; ZHOU ZHEN; ELOMARI SALEH A
权利人:MILLER STEPHEN JOSEPH; ZHOU ZHEN; ELOMARI SALEH A; CHEVRON USA INC
摘要:The present invention is generally directed to methods of making diester-based lubricant compositions, wherein formation of diester species proceeds via direct esterification of epoxide intermediates. In some embodiments, the methods for making such diester-based lubricants utilize a biomass precursor and/or low value (e.g., Fischer-Tropsch (FT) olefins and/or alcohols) so as to produce high value diester-based lubricants. In some embodiments, such diester-based lubricants are derived from FT olefins and fatty acids. The fatty acids can be from a bio-based source (i.e., biomass, renewable source) or can be derived from FT alcohols via oxidation.

专利号:US-10202620-B2
优先权日:2014-05-16
标 题:Synthesis of olefinic alcohols via enzymatic terminal hydroxylation
发明人：COELHO PEDRO; CHEN MIKE M Y; MEINHOLD PETER; CHO CATHERINE MEE-HIE; BUI VU; HEEL THOMAS
权利人:PROVIVI INC
摘要:In certain aspects, the present invention provides methods for producing terminally hydroxylated alkenes and alkynes by contacting an unsaturated or saturated hydrocarbon substrate with a hydroxylase enzyme. Exemplary terminal hydroxylases useful for carrying out the methods of the invention exhibit strong selectivity towards one terminal carbon of a hydrocarbon substrate and include, but are not limited to, non-heme diiron alkane monooxygenases, cytochromes P450 (e.g., cytochromes P450 of the CYP52 and CYP153 family), as well as long chain alkane hydroxylases. In some embodiments, the terminally hydroxylated alkene or alkyne is further converted to a terminal alkenal. In certain embodiments, terminally hydroxylated alkenes and alkynes are useful as insect pheromones which modify insect behavior. In other embodiments, terminally hydroxylated alkenes and alkynes are useful intermediates for producing pheromones via acetylation or oxidation of the alcohol moiety.