(Z)-N-[2-[2-[[(Z)-octadec-9-enoyl]amino]ethyldisulfanyl]ethyl]octadec-9-enamide | 1022899-18-8

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: (Z)-N-[2-[2-[[(Z)-octadec-9-enoyl]amino]ethyldisulfanyl]ethyl]octadec-9-enamide
• CAS: 1022899-18-8
• 化学式: C₄₀H₇₆N₂O₂S₂
• 分子量: 681.188
• InChiKey: KJTGNEWXDCBSLQ-CLFAGFIQSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  14.5
• 重原子数：
  46
• 可旋转键数：
  37
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.85
• 拓扑面积：
  109
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  (Z)-N-[2-[2-[[(Z)-octadec-9-enoyl]amino]ethyldisulfanyl]ethyl]octadec-9-enamide 在 三乙胺 、 锌 作用下， 以 四氢呋喃 、 溶剂黄146 、 异丙醇 为溶剂， 反应 2.17h， 生成 (Z)-N-[2-(2-ethenylsulfonylethylsulfanyl)ethyl]octadec-9-enamide
  参考文献：
  名称：

  Alkyl sulfonyl derivatized PAMAM-G2dendrimers as nonviral gene delivery vectors with improved transfection efficiencies

  摘要：

  构建了基于两亲性树枝状大分子的基因递送载体，其外围带有烷基磺酰疏水尾，以低代数PAMAM-G2为核，通过其一级氨基组与乙烯基砜衍生物的氮-迈克尔型加成反应进行功能化，作为表面工程的有效工具。虽然未修饰的PAMAM-G2无法有效地转染真核细胞，但功能化的PAMAM-G2树枝状大分子能够在低N/P比下结合DNA，保护DNA免受DNase I的消化，并显示出高转染效率和低细胞毒性。带有C18烷基链的树枝状大分子在CHO-k1细胞中的转染效率比LipofectAMINE™ 2000高出3.1倍。以功能化PAMAM-G2为基础的树枝状聚合物复合物也显示出在血清存在下保持其转染特性的能力，并能够转染不同的真核细胞系，如Neuro-2A和RAW 264.7。利用乙烯基砜化学，制备了这些载体的荧光PAMAM-G2衍生物，作为分子探针，通过非网格蛋白依赖的机制确定细胞摄取和内化。

  DOI：

  10.1039/c0ob00355g
• 作为产物：
  描述：

  油酸 在 氯化亚砜 、 三乙胺 作用下， 以 二氯甲烷 为溶剂， 反应 1.25h， 生成 (Z)-N-[2-[2-[[(Z)-octadec-9-enoyl]amino]ethyldisulfanyl]ethyl]octadec-9-enamide
  参考文献：
  名称：

  Alkyl sulfonyl derivatized PAMAM-G2dendrimers as nonviral gene delivery vectors with improved transfection efficiencies

  摘要：

  构建了基于两亲性树枝状大分子的基因递送载体，其外围带有烷基磺酰疏水尾，以低代数PAMAM-G2为核，通过其一级氨基组与乙烯基砜衍生物的氮-迈克尔型加成反应进行功能化，作为表面工程的有效工具。虽然未修饰的PAMAM-G2无法有效地转染真核细胞，但功能化的PAMAM-G2树枝状大分子能够在低N/P比下结合DNA，保护DNA免受DNase I的消化，并显示出高转染效率和低细胞毒性。带有C18烷基链的树枝状大分子在CHO-k1细胞中的转染效率比LipofectAMINE™ 2000高出3.1倍。以功能化PAMAM-G2为基础的树枝状聚合物复合物也显示出在血清存在下保持其转染特性的能力，并能够转染不同的真核细胞系，如Neuro-2A和RAW 264.7。利用乙烯基砜化学，制备了这些载体的荧光PAMAM-G2衍生物，作为分子探针，通过非网格蛋白依赖的机制确定细胞摄取和内化。

  DOI：

  10.1039/c0ob00355g

文献信息

• A potential new prodrug for the treatment of cystinosis: Design, synthesis and in-vitro evaluation
  作者：Bridgeen McCaughan、Graeme Kay、Rachel M. Knott、Donald Cairns

  DOI：10.1016/j.bmcl.2008.01.039

  日期：2008.3

  Nephropathic cystinosis is a rare autosomal recessive disease characterised by raised lysosomal levels of cystine in the cells of most organs. The disorder is treated by regular administration of the aminothiol, cysteamine, an odiferous and unpleasant tasting compound that along with its metabolites is excreted in breath and sweat, leading to poor patient compliance. In an attempt to improve patient compliance a series of novel prodrugs has been designed and evaluated as a potential new treatment for nephropathic cystinosis. The first of the prodrugs tested, 3a, was found to decrease the levels of intracellular cystine in cystinotic fibroblasts. This is the first report of a potential new therapeutic treatment for nephropathic cystinosis since the advent of cysteamine bitartrate. (C) 2008 Elsevier Ltd. All rights reserved.
• Alkyl sulfonyl derivatized PAMAM-G2dendrimers as nonviral gene delivery vectors with improved transfection efficiencies
  作者：Julia Morales-Sanfrutos、Alicia Megia-Fernandez、Fernando Hernandez-Mateo、Ma Dolores Giron-Gonzalez、Rafael Salto-Gonzalez、Francisco Santoyo-Gonzalez

  DOI：10.1039/c0ob00355g

  日期：——

  Amphiphilic dendrimer-based gene delivery vectors bearing peripheral alkyl sulfonyl hydrophobic tails were constructed using low-generation PAMAM-G2 as the core and functionalized by means of the aza-Michael type addition of its primary amino groups to vinylsulfone derivatives as an efficient tool for surface engineering. While the unmodified PAMAM-G2 was unable to efficiently transfect eukaryotic cells, functionalized PAMAM-G2 dendrimers were able to bind DNA at low N/P ratios, protect DNA from digestion with DNase I and showed high transfection efficiencies and low cytotoxicity. Dendrimers with a C18 alkyl chain produced transfection efficiencies up to 3.1 fold higher than LipofectAMINE™ 2000 in CHO-k1 cells. The dendriplexes based in functionalized PAMAM-G2 also showed the ability to retain their transfection properties in the presence of serum and the ability to transfect different eukaryotic cell lines such as Neuro-2A and RAW 264.7. Taking advantage of the vinylsulfone chemistry, fluorescent PAMAM-G2 derivatives of these vectors were prepared as molecular probes to determine cellular uptake and internalization through a clathrin-independent mechanism.

  构建了基于两亲性树枝状大分子的基因递送载体，其外围带有烷基磺酰疏水尾，以低代数PAMAM-G2为核，通过其一级氨基组与乙烯基砜衍生物的氮-迈克尔型加成反应进行功能化，作为表面工程的有效工具。虽然未修饰的PAMAM-G2无法有效地转染真核细胞，但功能化的PAMAM-G2树枝状大分子能够在低N/P比下结合DNA，保护DNA免受DNase I的消化，并显示出高转染效率和低细胞毒性。带有C18烷基链的树枝状大分子在CHO-k1细胞中的转染效率比LipofectAMINE™ 2000高出3.1倍。以功能化PAMAM-G2为基础的树枝状聚合物复合物也显示出在血清存在下保持其转染特性的能力，并能够转染不同的真核细胞系，如Neuro-2A和RAW 264.7。利用乙烯基砜化学，制备了这些载体的荧光PAMAM-G2衍生物，作为分子探针，通过非网格蛋白依赖的机制确定细胞摄取和内化。