CAS: 995-45-9; Tributylchlorosilane

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Tributylsilanol置于i2,Nh4Cl体系中,用 硫酸 作为反应溶剂,化学反应生成 三丁基氯硅烷
参考文献:Cleavage Of Some Organosilanes By Hydrogen Chloride
标题:Cleavage Of Some Organosilanes By Hydrogen Chloride
摘要:
DOI:10.1021/ja01174A049

专利信息

专利号:US-6995289-B2
优先权日:2000-08-02
标题 :Process for synthesis of alpha, beta-unsaturated ketones
发明人：PATEL IAN; HOPES PHILIP
权利人:ASTRAZENECA AB
摘要:A method for the synthesis of an α,β-unsaturated ketone useful for making substituted 1,4-dihydropyridines is described by reacting an aldehyde with pyrrolidine and then adding a ketone followed by trifluoroacetic acid at low temperature. The synthesis is used in a process for making substituted 1,4-dihydropyridines wherein a vinylogous amide is prepared by reacting a 1,3-cyclohexanedione with a phenylethylamine. The α,β-unsaturated ketone can be reacted with a vinylogous amide to form a 1,5-diketone which can be converted to a substituted 1,4-dihydropyridine.

专利号:US-5498734-A
优先权日:1991-09-23
标 题:Preparation and use of (2-butene-1,4-diyl)magnesium complexes in organic synthesis
发明人：RIEKE REUBEN D
权利人:UNIV NEBRASKA
摘要:The magnesium complexes of cyclic hydrocarbons containing conjugated dienes, such as 1,2-dimethylenecycloalkanes, and 1,3-butadienes, are readily prepared in high yields using highly reactive magnesium. Reactions of these (2-butene-1,4 diyl)magnesium reagents with electrophiles such as dibromoalkanes, alkylditosylates, alkylditriflates, bromoalkylnitriles, esters, or amides serve as a convenient method for synthesizing carbocyclic systems. Significantly, carbocycles prepared by this method contain functional groups such as the exocyclic double bond or a keto group in one of the rings which could be used for further elaboration of these molecules. Furthermore, fused bicyclic systems containing a substituted five-membered ring can be conveniently prepared at high temperatures by the reactions of (2-butene-1,4-diyl)magnesium complexes with carboxylic esters or acid halides whereas low temperatures lead to regioselective synthesis of β,γ-unsaturated ketones. Additionally, γ-lactones, including spiro γ-lactones, can be easily prepared in a one pot synthesis from the reaction of (2-butene-1,4-diyl)magnesium complexes with a ketone or aldehyde and carbon dioxide. Also, δ-lactones can be easily prepared in a one pot synthesis from the reaction of (2-butene-1,4-diyl)magnesium complexes with epoxides followed by reaction with CO 2 . Use of α-hydroxy epoxides without the addition of CO 2 leads to the synthesis of vicinal diols. Chiral epoxides lead to chiral alcohols.

专利号:US-5581004-A
优先权日:1991-09-23
标题 :Preparation and use of (2-butene-1,4-diyl) magnesium complexes in organic synthesis
发明人：RIEKE REUBEN D
权利人:UNIV NEBRASKA
摘要:The magnesium complexes of cyclic hydrocarbons and conjugated dienes, such as 1,2-dimethylenecycloalkanes and 1,3-butadienes, are readily prepared in high yields using highly reactive magnesium. Reactions of these (2-butene-1,4-diyl)magnesium reagents with electrophiles such as dibromoalkanes, alkylditosylates, alkylditriflates, bromoalkylnitriles, esters, or amides serve as a convenient method for synthesizing carbocyclic systems. Significantly, carbocycles prepared by this method contain functional groups such as the exocyclic double bond or a keto group in one of the rings which could be used for further elaboration of these molecules. Furthermore, fused bicyclic systems containing a substituted five-membered ring can be conveniently prepared at high temperatures by the reactions of (2-butene-1,4-diyl)magnesium complexes with carboxylic esters or acid halides whereas low temperatures lead to regioselective synthesis of β,γ-unsaturated ketones. Additionally, γ-lactones, including spiro γ-lactones, can be easily prepared in a one pot synthesis from the reaction of (2-butene-1,4-diyl)magnesium complexes with a ketone or aldehyde and carbon dioxide.

专利号:US-11554094-B2
优先权日:2015-06-18
标题 :Synthesis and application of microbubble-forming compounds
发明人：MARX VANESSA M; GRUBBS ROBERT H
权利人:CALIFORNIA INST OF TECHN
摘要:The present disclosure is directed to fatty-acid glycerol ester derivative compounds containing a targeting bisphosphonate group. The disclosure further includes pharmaceutical or biomedical compositions comprising these compounds, and methods of using these compounds and compositions forming microbubbles. The microbubbles have affinity for metal-containing, especially calcium-containing, bodies and/or biological targets. In certain embodiments, these compositions are useful for providing targeted placement of microbubbles capable of cavitation on application of high frequency energy.

专利号:US-7906682-B2
优先权日:2000-08-31
标题 :Synthesis of soluble functionalized lithium initiators
发明人：HALASA ADEL FARHAN; HSU WEN-LIANG
权利人:GOODYEAR TIRE & RUBBER
摘要:This invention discloses a process for making dilithium initiators in high purity. This process can be conducted in the absence of amines which is desirable since amines can act as modifiers for anionic polymerizations. The dilithium compounds made are highly desirable because they are soluble in aromatic solvents. The present invention also discloses a tire which is comprised of a generally toroidal-shaped carcass with an outer circumferential tread, two spaced beads, at least one ply extending from bead to bead and sidewalls extending radially from and connecting said tread to said beads, wherein said tread is adapted to be ground-contacting, and wherein said tread is a cured the rubber formulation which is comprised of (a) at least one rubbery polymer containing functional groups of the structural formula: n nwherein R, R′ and R″ can be the same or different, wherein R is selected from the group consisting of hydrogen atoms, alkyl groups, aryl groups, alkaryl groups, and amino aryl groups, and wherein R′ and R″ represent alkyl groups alkyl groups that contain from 1 to 8 carbon atoms, and (b) at least one member selected from the group consisting of carbon black and silica.

专利号:US-2016318862-A1
优先权日:2013-09-25
标 题:Synthesis of delta 12-pgj3 and related compounds
发明人：NICOLAOU KYRIACOS C; HERETSCH PHILIPP; HALE CHRISTOPHER R H; EL GHZAOUI ABDELLATIF EL MARROUNI; PULUKURI KIRAN KUMAR; YU RUOCHENG; GROVE CHARLES
权利人:UNIV RICE WILLIAM M
摘要:In one aspect, the present invention provides novel derivatives of Δ 12 -PGJ 3 and modular synthetic pathways to obtaining Δ 12 -PGJ 3 and derivatives thereof. In some aspects, the present derivatives of Δ 12 -PGJ 3 are useful as chemotherapeutic agents. The present disclosure also describes compositions of these derivatives as well as methods of use of the derivatives thereof.