正辛腈置于盐酸,乙醚,Tin(Ll) Chloride体系中,化学反应生成正辛醛 参考文献:Stephen,Journal Of The Chemical Society,1925,Vol. 127,P. 1876 标题:Stephen,Journal Of The Chemical Society,1925,Vol. 127,P. 1876
专利号:WO-2012017400-A1 优先权日:2010-08-03 标 题 :Synthesis of acyl-pantetheine derivatives and the use thereof in the synthesis of acyl-coenzyme a derivatives 发明人:VAN DIJK ALBERDINA AIKE; BADENHORST CHRISTOFFEL PETRUS STEPHANUS 权利人:UNIV NORTHWEST; VAN DIJK ALBERDINA AIKE; BADENHORST CHRISTOFFEL PETRUS STEPHANUS 摘要:The present invention relates to a novel synthesis method for acyl-pantetheine derivatives. The present invention further relates to the use of said synthesized acyl-pantetheine derivatives as a starting material in the enzymatic synthesis of acyl-coenzyme A derivatives. According to a first aspect thereof, the present invention provides a method for the synthesis of acyl-pantetheine derivatives, the method including the steps of: a) providing a source of pantetheine; b) providing a source of acyl ester; and c) contacting the source of pantetheine with the source of acyl ester to form the corresponding acyl-pantetheine derivative, having the general formula (I), wherein R is an acyl group.The present invention also provides a method for the synthesis of acyl-coenzyme A derivatives as well as the use of a source of pantetheine and a source of acyl ester in the preparation steps of these two methods.
专利号:US-2010099894-A1 优先权日:2006-10-09 标 题 :Method for the Synthesis of Cyclic Acetals by the Reactive Extraction of a Polyol in a Concentrated Solution 发明人:DUBOIS JEAN-LUC; IBORRA CHORNET SARA; VELTY ALEXANDRA I LUCIENNE; CORMA CANOS AVELINO 权利人:DUBOIS JEAN-LUC; IBORRA CHORNET SARA; VELTY ALEXANDRA I LUCIENNE; CORMA CANOS AVELINO 摘要:A method for the synthesis of cyclic acetals comprises reacting at least one carbonyl-function compound selected from aldehydes, ketones, and/or linear acetals, on a polyol in a concentrated aqueous solution exceeding 20 wt % in a reactor containing an acidic catalyst. The carbonyl-function compound is selected so that the cyclic acetal obtained has a water solubility lower than 20000 mg/kg. During the catalytic reaction for the cyclic acetal synthesis, at least one portion of the organic phase containing the cyclic acetal is separated. The acidic catalysis is either homogeneous when using a water-soluble strong acid, or heterogeneous when using a solid acid such as a resin, a zeolite, or any appropriately acidified solid. The extractive reaction method can be used for obtaining high conversions and selectivity.
专利号:US-11512303-B2 优先权日:2017-05-27 标 题 :Engineered polypeptides and their applications in the synthesis of beta-hydroxy-alpha-amino acids 发明人:CHEN HAIBIN; BONG YONG KOY; XU QING; ZHOU AMENG; SHEN TIANRAN; YANG JIADONG; YANG ZHUHONG 权利人:ENZYMASTER NINGBO BIO ENG CO LTD 摘要:The present invention provides engineered polypeptides that are useful for the asymmetric synthesis of β-hydroxy-α-amino acids under industrial-relevant conditions. The engineered polypeptides disclosed in this invention were developed through directed evolution based on the ability of catalytic synthesis of (2S, 3R)-2-amino-3-hydroxy-3-(4-nitrophenyl) propanoic acid. The present disclosure also provides polynucleotides encoding engineered polypeptides, host cells capable of expressing engineered polypeptides, and methods of producing β-hydroxy-α-amino acids using engineered polypeptides. Compared to other processes of preparation, the use of the engineered polypeptides of the present invention for the preparation of β-hydroxy-α-amino acids results in high purity of the desired stereoisomers, mild reaction conditions, low pollution and low energy consumption. So, it has good industrial application prospects.
专利号:US-5532147-A 优先权日:1991-08-06 标题:Enzymatic method for synthesis of carbohydrates 发明人:NILSSON KURT 摘要:A synthetic method in which is included at least one process, which is characterized by that a glycosidase (EC 3.2) is used to catalyse a reaction between a partially protected galactose derivative, or a partially protected glucose derivative, and a glycosyl doner, which is an oligosaccharide or a monosaccharide glycoside, is described. The process is suitable for synthesis of carbohydrate derivatives or for synthesis of partially protected carbohydrate intermediates which are suitable for further synthesis e.g. of blood group determinants A and B, or other carbohydrates.
专利号:WO-2023102600-A1 优先权日:2021-12-06 标题:Synthesis of amphiphilic block copolymers and polymeric nanofibers produced therefrom 发明人:ZETTERLUND PER B; ISHIZUKA FUMI; KIM HYUN JIN; CHATANI SHUNSUKE; NIINO HIROSHI 权利人:NEWSOUTH INNOVATIONS PTY LTD 摘要:The present disclosure relates to the field of synthesis of block copolymers, and polymeric nanofibers having a core-shell morphology produced therefrom. The present disclosure relates to the field of synthesis of block copolymers where one block is more hydrophobic than the other block and is a different composition. The disclosure also relates to uses of these polymeric nanofibers in various applications, such as reinforcing a polymeric matrix and for coatings applications.
专利号:US-6512081-B1 优先权日:1997-07-21 标题:Synthesis of dithioester chain transfer agents and use of bis(thioacyl) disulfides or dithioesters as chain transfer agents 发明人:RIZZARDO ENZIO; THANG SAN HOA; MOAD GRAEME 权利人:E I DUPONT NEMOURS AND COMPANY; COMMW SCIENT IND RES ORG 摘要:This invention relates to the synthesis of dithiocarboxylic acid esters by reaction of bis(thioacyl) disulphides, thioacetals or vinylidane bis(thioether) with free-radicals (optionally in the presence of monomers). The invention also relates to processes for the synthesis of polymers utilising these dithioesters as polymerisation regulators (chain transfer agents) or to the use of bis(thioacyl) disulphides to generate dithioester chain transfer agents in situ.
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合成参考文献
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