CAS: 85618-21-9; (2R,3S,4S,5R,6S)-2-(Hydroxymethyl)-6-(Octylthio)Tetrahydro-2H-Pyran-3,4,5-Triol

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β-thio°Ctylperacetyl D-glucoside 1-bromo-°Ctane 2,3,4,6-tetra-O-acetyl-β-D-glucopyranosyl isothiouronium bromide 2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide°Ctyl 4,6-O-benzylidene-β-D-thioglucopyranoside °Ctyl 2,3-di-O-benzyl-4,6-O-benzylidene-β-D-1-thioglucopyranoside 2-hexyl-1-°Ctyl 2,3-di-O-benzyl-4,6-O-benzylidene-α-D-glucopyranoside 2-hexyl-1-°Ctyl 2,3,4-tri-O-benzyl-α-D-glucopyranoside

辛基 2,3,4,6-四-O-乙酰基-Beta-D-硫代吡喃葡萄糖苷置于sodium Methylate体系中,用 甲醇 作为反应溶剂,化学反应 16.0H,反应生成 辛基-Beta-D-硫代吡喃葡萄糖苷
参考文献:使用最小感受态路易斯酸催化制备 S-糖苷表面活性剂和半胱氨酸硫糖苷.
标题:使用最小感受态路易斯酸催化制备 S-糖苷表面活性剂和半胱氨酸硫糖苷.
摘要:在这里,我们报告了一种从相应的过乙酸盐供体制备异头纯β-S-吡喃糖苷(1,2-反式糖苷)的方法.在催化量的 Inbr3 存在下,在 Chcl3 中回流进行 S-糖基化.在 Zemplen 条件下实现中间体过乙酸酯的脱酰化.五个吡喃糖的例子,单糖 D-葡萄糖和 D-半乳糖和二糖纤维二糖,麦芽糖和乳糖,被用作供体,五种硫醇,包括 α/ω 二硫醇和 Fmoc-L-半胱氨酸被用作受体.报告了先前未描述的化合物的熔点,高分辨率 Ms,αd 和 NMR 数据((1)H 和 (13)C,包括 Cosy,Hsqc 和 Hmbc).
DOI:10.1016/j.Carres.2015.12.008

专利信息

专利号:US-2012190064-A1
优先权日:2004-10-01
标题 :Feeding buffers, systems, and methods for in vitro synthesis of biomolecules
发明人：KUDLICKI WIESLAW ANTONI; KEPPETIPOLA SHIRANTHI; FLETCHER JULIA; GETBEHEAD ASHLEY ELAINE; KATZEN FEDERICO; VOZZA-BROWN LAURA
权利人:KUDLICKI WIESLAW ANTONI; KEPPETIPOLA SHIRANTHI; FLETCHER JULIA; GETBEHEAD ASHLEY ELAINE; KATZEN FEDERICO; VOZZA-BROWN LAURA; LIFE TECHNOLOGIES CORP
摘要:Compositions, methods and kits for in vitro systems for synthesis of biomolecules such as polypeptides, are provided herein. Cell extracts that provide enhanced yields of soluble proteins using in vitro protein synthesis methods are provided. The invention also includes methods for producing high yields of proteins by the addition of a feeding solution that includes amino acids and an energy source to an ongoing in vitro synthesis system. The invention also includes methods of using a high-yield in vitro synthesis system to produce large quantities of proteins with incorporated labeled amino acids for analysis by methods such as by NMR. The invention further includes vectors for enhanced production of proteins from nucleic acid templates using in vitro synthesis systems.

专利号:WO-2024130393-A1
优先权日:2022-12-21
标 题 :Nanoparticle and method of synthesis thereof
发明人：MOSKOVCHENKO SVITLANA
权利人:MOSKOVCHENKO SVITLANA
摘要:The present technology relates to nanoparticles, compositions comprising said nanoparticles, and methods of synthesis of said nanoparticles; wherein the nanoparticles comprise a metal nanoparticle core, a first coating of amphiphilic molecules, and a second coating of essential oil, essential oil primary constituent, or both, which combine the antimicrobial properties of metal nanoparticles, amphiphilic molecules, and essential oil or essential oil primary constituents.

专利号:US-8067204-B2
优先权日:2005-12-15
标 题 :Long-chain chondroitin sugar chain and method for producing the same and method for promoting synthesis of chondroitin
发明人：SUGIURA NOBUO; SHIMOKATA SATOSHI; KIMATA KOJI
权利人:SUGIURA NOBUO; SHIMOKATA SATOSHI; KIMATA KOJI; SEIKAGAKU KOGYO CO LTD
摘要:A method for producing a chondroitin sugar chain comprises reacting a glucuronic acid donor, an N-acetyl galactosamine donor, a sugar receptor and a bacterial cell enzyme which synthesizes chondroitin in the presence of a surfactant. The surfactant is selected from polyoxyethylene octadecyl amine, n-decanoyl-N-methylglucamide, sodium cholate, n-octyl-β-D-thioglucopyranoside, n-nonyl-β-D-thiomaltopyranoside, sucrose monocholate, sucrose monocaprate, and sucrose monolaurate. The chondroitin sugar chain has all the following properties: a weight average molecular weight: 50,000 or more when measured by gel filtration chromatography; it is completely degraded to disaccharides with chondroitinase ABC; and when the sugar chain is decomposed with chondroitinase ABC and the decomposed products are subjected to a disaccharide analysis, substantially all of them correspond to an unsaturated disaccharide unit of chondroitin.

专利号:US-11618777-B2
优先权日:2015-07-31
标 题 :Method of manufacturing membrane protein and utilization thereof
发明人：YOKOYAMA SHIGEYUKI; SHINODA TAKEHIRO; ITO KAORI; NOMURA NAOKO; KATSURA YOSHIKO; SOMEYA TOMOMI; SHIROUZU MIKAKO; HORI TETSUYA; NAKAMURA YOSHIHIRO; TANABE HIROAKI
权利人:YOKOYAMA SHIGEYUKI
摘要:In order to provide a membrane protein production method which does not require the step of solubilizing a membrane protein and which allows the membrane protein having an excellent quality to be obtained with a high yield, a method in accordance with an embodiment of the present invention includes: a step (a) of preparing a reaction solution for cell-free protein synthesis, the reaction solution containing (i) a template nucleic acid which encodes the membrane protein, (ii) a lipid, and (iii) a detergent which is contained at a concentration equal to or higher than a critical micelle concentration; and a step (b) of synthesizing the membrane protein while the concentration of the detergent in the reaction solution is maintained at a concentration equal to or higher than a critical micelle concentration.

专利号:US-7282337-B1
优先权日:2006-04-14
标题:Methods for increasing accuracy of nucleic acid sequencing
发明人：HARRIS TIMOTHY D
权利人:HELICOS BIOSCIENCES CORP
摘要:The invention provides methods for improving the accuracy of a sequencing-by-synthesis reaction by sequencing at least a portion of a template and at least a portion of template complementary sequence.

专利号:US-2009263867-A1
优先权日:2005-12-15
标 题 :Long-chain chondroitin sugar chain and method for producing the same and method for promoting synthesis of chondroitin