CAS: 16096-97-2; (2R,3R)-1,4-Dimercaptobutane-2,3-Diol

该化合物是一种小分子减少剂,通常用于生物化学和分子生物学,其特点是能够打破蛋白质中的分硫结合,从而保持其较低的状态,这对于在实验过程中保存蛋白结构和功能至关重要.DT是一种无色,晶状的固体,在水中可溶解,分子重量相对较低.它的化学结构有两组三醇(-SH),负责其特性的减少.DTT经常用于蛋白净化,酶试验和储存期间蛋白质的稳定.然而,它对氧化很敏感,可能会随着时间的推移,特别是在存在空气或金属离子的情况下,失去其衰减能力.此外,DTT可以干涉某些实验性分析和反应,因此实验设计必须认真考虑其使用.

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CAS号16096-98-3 (4S,5S)-dithian...

合成工艺路线路线简述

    📜2,3-O-Isopropylidene-1,4-Dithiol-Lg-Threitol置于盐酸体系中,用 甲醇 用作溶剂,化学反应生成L-1,4-二硫代苏糖醇
    参考文献:Synthesis Of Optically Active Cleland'S Reagent [(-)-1,4-Dithio-L-Threitol]
    标题:Synthesis Of Optically Active Cleland'S Reagent [(-)-1,4-Dithio-L-Threitol]
    摘要:
    Doi:10.1021/jo01269A123

    海关参考信息

    专利信息


    专利号:US-7041479-B2
    优先权日:2000-09-06
    标题 :Enhanced in vitro synthesis of active proteins containing disulfide bonds
    发明人:SWARTZ JAMES ROBERT; KIM DONG-MYUNG
    权利人:TRUSTESS OF THE LELAND STANFOR
    摘要:Compositions and methods are provided for the enhanced in vitro synthesis of polypeptides containing disulfide bonds. In order to improve the performance of in vitro protein synthesis reactions, pre-treatment and redox buffering of the reaction mix is performed in order to optimize the redox potential. Exogenous enzymes that enhance protein folding and disulfide bond formation may also be added to the reaction.

    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-2025257380-A1
    优先权日:2023-01-31
    标 题:Method for template-free de novo synthesis of long-chain nucleic acid, and use thereof
    发明人:XU CHENG; LIU YUANXIAO
    权利人:SHANGHAI TYPING BIOSCIENCE CO LTD
    摘要:The present application relates to the fields of molecular biology and biotechnology, and in particular to a method for template-free de novo synthesis of a long-chain nucleic acid, including the following steps: S1, synthesis of double-stranded oligonucleotides; and S2, combination and ligation of the double-stranded oligonucleotides to obtain a target long-chain nucleic acid. The present application achieves continuous synthesis from single nucleotides to long-chain nucleic acids by means of the combination of S1 and S2, and has the advantages of no need for templates, high accuracy, low complexity and low cost.

    专利号:US-2023331778-A1
    优先权日:2020-08-31
    标 题 :An improved process for fmoc synthesis of etelcalcetide
    发明人:LOBO LESTER JOHN; CHANDRAKESAN MURALIDHARAN; DOSHI CHETAN; CHANADAK SHAILESH LALCHAND; YADAV NANDLAL GOPAL; MOHE NIKHIL UMESH; VISHWANATHAN KODANDARAMAN; CHAVRE PRAFUL SHAMRAO
    权利人:USV PRIVATE LTD
    摘要:The present invention relates to an improved process for the synthesis of Etelcalcetide and its analogs by solid phase synthesis of Fmoc protected amino acids in a sequential manner, followed by acetylation of terminal D-cys and cleavage of peptide from solid support. The crude heptapeptide thus obtained is reduced using Tris(2-carboxyethyl) phosphine hydrochloride, purified and oxidized with L-cysteine. The oxidized Etelcalcetide is purified and salt exchanged using a one-step reverse phase chromatography process. The purified Etelcalcetide hydrochloride is then precipitated using organic solvents, concentrated and lyophilized to purity of greater than 99.0%.

    专利号:WO-2024199310-A1
    优先权日:2023-03-31
    标 题 :Method for enzymatic synthesis of capped mrna in one tube
    发明人:LI YALI; ZHU HUAXING; ZHANG QINGYI
    权利人:NOVOPROTEIN SCIENT INC
    摘要:Provided is a method for enzymatic synthesis of capped mRNA in one tube. In the method, the step of purifying mRNA after IVT is omitted, and a capped product having a higher capping efficiency and fewer by-products is obtained. The method provided for enzymatic synthesis of capped mRNA is simple, convenient and short in terms of the process, and is rapid and efficient, so that the production process of a capped mRNA product is simplified, and a production cost is reduced, which is conducive to industrial production.

    专利号:WO-2024153642-A1
    优先权日:2023-01-16
    标题 :Scarless template-free enzymatic synthesis of polynucleotides
    发明人:HORGAN ADRIAN; VERARDO DAMIANO; ADELIZZI BEATRICE; RODRIGUEZ-PINZON DANIEL; THOMEE EMMA
    权利人:DNA SCRIPT
    摘要:Methods are provided for template-free enzymatic synthesis of polynucleotides on a solid support using double cleavage to produce scarless polynucleotides. In particular, methods are disclosed that use an initiator that comprises a cleavable group, which can be cleaved by a small molecule chemical agent, adjusting pH, heat, or photocleaved by illumination with light to release polynucleotides from a solid support after enzymatic synthesis is completed, and an enzymatic cleavage site, which can be cleaved by a cleavage enzyme to remove polynucleotide scars.

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    主要参考文献


    1: Zhang S, Wang D, Li Y, Li L, Chen H, Xiong Q, Liu Y, Wang Y. pH- and redox-responsive nanoparticles composed of charge-reversible pullulan-based shells and disulfide-containing poly(ß-amino ester) cores for co-delivery of a gene and chemotherapeutic agent. Nanotechnology. 2018 Aug 10;29(32):325101. doi: 10.1088/1361-6528/aac4b5. Epub 2018 May 15. doi: 10.3748/wjg.v23.i44.7830.
    3: Chafik A, Essamadi A, Çelik SY, Mavi A. Purification of camel liver catalase by zinc chelate affinity chromatography and pH gradient elution: An enzyme with interesting properties. J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Dec 1;1070:104-111. doi: 10.1016/j.jchromb.2017.10.052. Epub 2017 Oct 27. doi: 10.1021/acsami.7b10148. Epub 2017 Sep 1. doi: 10.3389/fpls.2017.00246. eCollection 2017.
    6: Saha B, Haldar U, De P. Polymer-Chlorambucil Drug Conjugates: A Dynamic Platform of Anticancer Drug Delivery. Macromol Rapid Commun. 2016 Jul;37(13):1015-20. doi: 10.1002/marc.201600146. Epub 2016 May 9. doi: 10.1016/j.jconrel.2014.12.032. Epub 2014 Dec 27. doi: 10.1016/j.cca.2014.07.028. Epub 2014 Jul 31. doi: 10.1002/marc.201300885. Epub 2014 Feb 4. doi: 10.1002/mabi.201300339. Epub 2013 Sep 17. doi: 10.1021/la400215c. Epub 2013 May 14. doi: 10.1186/1475-2859-10-26.

    合成参考文献


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