CAS: 2146-71-6; Vinyllaurate(Stabilizedwithmehq)

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CAS号143-07-7 月桂酸 | CAS号108-05-4 乙酸乙烯酯 | CAS号74-86-2 乙炔 | CAS号112-16-3 十二酰氯 | CAS号75-07-0 乙醛 | CAS号1445-91-6 (S)-(-)-1-苯基乙醇 | CAS号116644-59-8 [(1R)-1-phenyle... | CAS号143-07-7 月桂酸 | CAS号20881-05-4 [(2R,3S,4S,5S)-... | CAS号13039-40-2 ((2R,3S,4S,5R,6... | CAS号6169-06-8 2-辛醇 | CAS号539-93-5 1,3-二月桂酸甘油酯 | CAS号40738-26-9 單月桂酸甘油酯

📜α,α'-二月桂精置于甲醇,α,α'-二月桂精体系中,用 甘油 用作溶剂,化学反应生成月桂酸乙烯酯
参考文献:Hydrolases,Nucleic Acids Encoding Them And Methods For Making And Using Them
标题:Hydrolases,Nucleic Acids Encoding Them And Methods For Making And Using Them
摘要:本发明提供了水解酶,编码它们的多核苷酸以及制备和使用这些多核苷酸和多肽的方法.在一个方面,本发明涉及具有水解酶活性(例如酯酶,酰化酶,脂肪酶,磷脂酶(例如磷脂酶a,B,C和d活性,马铃薯酯酶活性,脂肪酰基水解酶(lah)活性)或蛋白酶活性,包括热稳定和耐热水解酶活性)的多肽,以及编码这些酶的多核苷酸,制备和使用这些多核苷酸和多肽.本发明的多肽和多肽中的肽的水解酶活性包括酯酶活性,脂肪酶活性(水解脂质),酸解反应(用游离脂肪酸替换酯化脂肪酸),酯交换反应(三酰甘油之间的脂肪酸交换),酯合成,酯交换反应,磷脂酶活性和蛋白酶活性(水解肽键).本发明的多肽可用于各种制药,农业和工业背景中,包括制造化妆品和营养品.在另一个方面,本发明的多肽被用于合成对映纯手性产物.

专利信息

专利号:US-6281372-B1
优先权日:1999-02-26
标 题 :Process for synthesis of vinyl esters from butene oligomers
发明人：WIESE KLAUS-DIETHER; OLBRICH PAUL; GABRIEL JUERGEN
权利人:OXENO OLEFINCHEMIE GMBH
摘要:A process for the synthesis of vinyl esters from butene oligomers, wherein butenes are oligomerized, the butene oligomers are separated from the oligomerized mixture, the butene oligomers are converted to carboxylic acids which are longer by one carbon atom, and the resulting carboxylic acids are converted to the corresponding vinyl esters. The butene oligomers are in particular dibutene, tributene and tetrabutene. The invention also relates to the use of the vinyl esters as plasticizers or as comonomers in polymerization reactions.

专利号:US-2004147789-A1
优先权日:2000-02-11
标题 :Allyl esters substituted by a difluoromethylene group, their process of synthesis and their use, and a process for functionalizing a double bond
发明人：ROQUES NICOLAS
权利人:RHODIA CHIMIE SA
摘要:This invention provides compounds of formula: n n n in which R f is a radical that carries a perfluoromethylene group, which group ensures bonding to the remainder of the molecule; R1 and R3, which can be the same or different, are chosen from among hydrogen and alkyl or aryl radicals; Ψ is an electroattractor group such that Ψ-O—H is an acid whose pKa (in water) is at most equal to 8, advantageously 6, and preferably 5. These compounds are useful for the synthesis of nitrogen-containing heterocyclic compounds.

专利号:US-2024425890-A1
优先权日:2022-02-11
标 题:Process for the synthesis of alpha-methylene-gamma-butyrolactone
发明人：TADEN ANDREAS; BECK HORST; MYRTOLLARI KAMELA; KOURIST ROBERT; NIGL ANDREA
权利人:HENKEL AG & CO KGAA
摘要:The present application provides a process for the preparation of α-methylene-γ-butyrolactone, said process comprising the steps of:a) acetylating the C1-hydroxyl group of isoprenol to yield isoprenyl acetate;b) forming 4-acetoxy-2-methylene-butan-1-ol from said isoprenyl acetate by whole cell biotransformation, said step comprising:i) contacting a cell (CB) with a culture medium containing said isoprenyl acetate or with a culture medium contiguous with an organic phase containing said isoprenyl acetate under conditions that enable the cell to form 4-acetoxy-2-methylene-butan-1-ol from isoprenyl acetate; and,ii) optionally isolating the resultant 4-acetoxy-2-methylene-butan-1-ol, wherein said cell (CB) exhibits activity of at least one alkane monooxygenase enzyme which catalyzes the formation of 4-acetoxy-2-methylene-butan-1-ol from isoprenyl acetate;c) oxidizing said 4-acetoxy-2-methylene-butan-1-ol to yield 4-acetoxy-2-methylene butyric acid; and,d) converting said 4-acetoxy-2-methylene butyric acid to α-methylene-γ-butyrolactone by hydroxylysis to γ-hydroxy-α-methylenebutyric acid and subsequent cyclization of said γ-hydroxy-α-methylenebutyric acid.

专利号:US-6048987-A
优先权日:1997-06-26
标 题 :Process for producing coated catalysts for the synthesis of maleic anhydride by gas-phase oxidation
发明人：GROKE DIRK; RUEDINGER CHRISTOPH; EBERLE HANS-JUERGEN; JERING REINHARD; BOSCH RICHARD
权利人:CONSORTIUM ELEKTROCHEM IND
摘要:There is a process for producing coated catalysts for the gas-phase oxidation of C4 hydrocarbons to maleic anhydride. A vanadyl phosphate catalyst precursor is prepared having a V/P ratio of from 1:0.5 to 1:2 and a mean vanadium oxidation state of from 3.9 to 4.5. The vanadyl phosphate precursor is then calcined by heating for a several hours at a temperature of from 200 DEG C. to 500 DEG C. before being applied, in an aqueous suspension to the support bodies. Furthermore, there is the use of these coated catalysts in processes for the gas-phase oxidation of saturated or unsaturated C4-hydrocarbons to maleic anhydride.

专利号:US-7635772-B2
优先权日:2002-12-18
标 题 :Process for the preparation of oligonucleotides
发明人：MCCORMAC PAUL
权利人:AVECIA BIOTECHNOLOGY INC
摘要:A process for the synthesis of an oligonucleotide is provided in which an oligonucleotide is assembled on a swellable solid support using the phosphoramidite approach in the presence of an activator, wherein the activator is not tetrazole or a substituted tetrazole. Preferred activators are pyridinium, imidazolinium and benzimidazolinium salts; benzotriazole and derivatives thereof; and saccharin or a saccharin derivative. Preferred swellable solid supports comprise functionalised polystyrene, partially hydrolysed polyvinylacetate or poly(acrylamide).

专利号:US-10336912-B2
优先权日:2014-08-01
标 题 :Methods for producing and using aqueous polyurethane/polyacrylate hybrid dispersions and use of said aqueous polyurethane/polyacrylate hybrid dispersions in coating agents
发明人：JAHNS EKKEHARD; MANGEL TIMO; ROESCH CHRISTINE; ROMANATO PAOLA; BURK YENI; PAKUSCH JOACHIM
权利人:BASF SE
摘要:The present invention provides an aqueous polyurethane (PU)-polyacrylate hybrid dispersion obtainable by free radical polymerization of at least one acrylate polymer (A1) in the presence of at least one polyurethane (P1), a process for preparing these aqueous polyurethane-polyacrylate hybrid dispersions, wherein said process comprises a) preparing an aqueous polyurethane dispersion and b) using the polyurethane dispersion thus prepared as raw material for the further synthesis of a polyacrylate dispersion, and the use of the hybrid dispersion thus obtained as binder in filled coating materials, particularly as a binder for flexible roof coatings.