Synthesis of ω-(methoxycarbonyl)alkyl and 9-(methoxycarbonyl)-3,6-dioxanonyl glycopyranosides for the preparation of carbohydrate-protein conjugates
摘要:
Omega-(Methoxycarbonyl)alkyl glycopyranosides of D-mannose having C4, C-7, C-9, C-12, and C-15 carbon chains, L-fucose and 2-acetamido-2-deoxy-D-mannose having C-7 and C-9 carbon chains. D-xylose and 2-acetamido-2-deoxy-L-fucose having a C-9 carbon chian, and 9-(methoxycarbonyl)-3,6-dioxanoyl glycopyranosides of D-mannose. 2-acetamido-2-deoxy-D-mannose, and L-fucose were' synthesized as intermediates for coupling to human serum albumin in order to examine the effect of chain length and hydrophobicity of the spacer arm on the binding specificity of lectins. 8-(Methoxycarbonyl)octyl glycosides of beta-D-Man-(1 --> 2)-alpha-D-Man, alpha-D-Man-(1 --> 2)-alpha-D-Man, alpha-D-ManNAc-(1 --> 2)-alpha-D-Man, beta-D-GlcNAc-(1 --> 2)-alpha-D-Man, and their 6-O-positional isomers, beta-D-Man-(1 --> 6)-alpha-D-Man, alpha-D-Man-(1 --> 6)-alpha-D-Man, alpha-D-ManNAc-(1 --> 6)-alpha-D-Man, and beta-D-GlcNAc-(1 --> 6)-alpha-D-Man, were also synthesized.
Benzoate Surfactants for Enhancing the Activity of Lipoprotein Lipase from
<i>Burkholderia</i>
Species in Organic Solvent
作者:Yeonock Oh
DOI:10.1002/bkcs.11877
日期:2019.11
Two benzoatesurfactants were synthesized and examined as the additives for enhancing the activity of a lipoproteinlipase from Burkholderia species (BSLPL) in organicsolvent. It was found that the benzoatesurfactants enhanced the turnover number (kcat) by four orders of magnitude and the catalytic efficiency (kcat/K m) by three orders of magnitude. These results strongly suggest that the favorable
合成了两种苯甲酸酯表面活性剂,并作为添加剂用于增强Burkholderia种(BSLPL)的脂蛋白脂肪酶在有机溶剂中的活性。发现苯甲酸酯表面活性剂将周转数(k cat)提高了四个数量级,并将催化效率(k cat / K m)提高了三个数量级。这些结果强烈表明,表面活性剂尾部的芳环与酶活性位点周围的疏水残基之间的良好相互作用可能有助于BSLPL在有机溶剂中保持高度活性的开放构象。
[EN] IMMUNOTHERAPIES FOR MALIGNANT, NEURODEGENERATIVE AND DEMYELINATING DISEASES BY THE USE OF TARGETED NANOCARRIERS<br/>[FR] IMMUNOTHÉRAPIES UTILISANT DES NANOVECTEURS CIBLÉS POUR TRAITER DES MALADIES MALIGNES, NEURODÉGÉNÉRATIVES ET DÉMYÉLINISANTES
申请人:RODOS BIOTARGET GMBH
公开号:WO2017017148A1
公开(公告)日:2017-02-02
The present invention relates to the targeted delivery of the active generic antiproliferative and anti-inflammatory agents gemcitabine, paclitaxel and/or curcumin preferentially or exclusively to antigen-presenting cells (APCs) of the immune system by means of encapsulation into a lipid-based nanocarrier, the CLR-TargoSphere, which is surface-labeled with a Fucose-derivative ligand that exclusively targets C-type lectin receptors (CLRs) on APCs to deliver the active agents intracellularly to myeloid dendritic cells (mDCs), circulating monocytes, macrophages, and tumor-associated macrophages (TAMs) as well as cytotoxic T lymphocytes (CTLs).
[2]Rotaxane End‐Capping Synthesis by Click Michael‐Type Addition to the Vinyl Sulfonyl Group
作者:Arthur H. G. David、Pablo García‐Cerezo、Araceli G. Campaña、Francisco Santoyo‐González、Victor Blanco
DOI:10.1002/chem.201900156
日期:2019.4.26
addition reaction to vinyl sulfone or vinyl sulfonate groups in the synthesis of rotaxanes through the threading‐and‐capping method. This methodology has proven to be efficient and versatile as it allowed the preparation of rotaxanes using template approaches based on different noncovalent interactions (i.e., donor‐acceptor π–π interactions or hydrogenbonding) in yields of generally 60–80 % and up to 91 %
我们报道了通过穿线加帽法将点击迈克尔型加成反应应用于乙烯基砜或乙烯基磺酸酯基团在轮烷的合成中的应用。该方法已被证明是有效且通用的,因为它允许使用基于不同非共价相互作用(即供体-受体π-π相互作用或氢键)的模板方法制备轮烷,产率通常为60-80%,最高可达91% %受所需的温和条件(室温或0°C以及温和的碱,如Et 3 N或4‐(N,N-二甲基氨基)吡啶(DMAP))。此外,使用乙烯基磺酸盐部分作为偶联和去偶联(CAD)化学的合适基序,意味着另一个优势,因为它允许通过封端产生的磺酸盐的亲核取代,将轮烷的化学分解成可控的组分。在温和的条件下(Cs 2 CO 3和室温)用硫醇进行萃取。
[EN] DIARYL UREA DERIVATIVES AS P38 KINASE INHIBITORS<br/>[FR] DÉRIVÉS DE DIARYLE-URÉE EN TANT QU'INHIBITEURS DE KINASE P38
申请人:RESPIVERT LTD
公开号:WO2016051187A1
公开(公告)日:2016-04-07
There are provided compounds of formula I, wherein R1A to R1E, R2 to R4, R5a, L and X1 to X3 have meanings given in the description, which compounds have antiinflammatory activity (e.g. through inhibition of one or more of members of: the family of p38 mitogen-activated protein kinase enzymes; Syk kinase; and members of the Src family of tyrosine kinases) and have use in therapy, including in pharmaceutical combinations, especially in the treatment of inflammatory diseases, including inflammatory diseases of the lung, eye and intestines.
Biological Evaluation of
<scp>l</scp>
‐Tyrosine Labelled with
<i>fac</i>
‐[
<sup>99m</sup>
Tc(CO)
<sub>3</sub>
]
<sup>+</sup>
at a
<i>para</i>
‐OH‐Coupled 2,3‐Diaminopropionic Acid Based Chelator
作者:Michael Felber、Matthias Bauwens、Sebastian Imstepf、Thomas Fox、Felix M. Mottaghy、Roger Alberto
DOI:10.1002/ejic.201601316
日期:2017.3.27
amino acids as metabolic tracers are increasingly important for imaging and therapy applications. There are only a few reports on 99mTc-labeled amino acids that have been evaluated in vivo. In this work we coupled a small and highly potent chelator for the fac-[99mTc(CO)3]+ core to l-tyrosine through a poly(ethylene glycol) linker and investigated the in vivo biodistribution of the 99mTc-labeled l-tyrosine