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C-Glycosphingolipids with an exo-methylene substituent: stereocontrolled synthesis and immunostimulation of mouse and human natural killer T lymphocytes.具有亚甲基取代基的C-糖鞘脂:小鼠和人类自然杀伤T淋巴细胞的立体定向合成与免疫刺激
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本文引用的文献

1
Assignment of the absolute configuration of polyfunctional compounds by NMR using chiral derivatizing agents.使用手性衍生试剂通过核磁共振确定多官能化合物的绝对构型
Chem Rev. 2012 Aug 8;112(8):4603-41. doi: 10.1021/cr2003344. Epub 2012 Jun 1.
2
The stimulating adventure of KRN 7000.KRN 7000 的刺激冒险之旅。
Org Biomol Chem. 2011 May 7;9(9):3080-104. doi: 10.1039/c0ob00975j. Epub 2011 Mar 11.
3
Design of a potent CD1d-binding NKT cell ligand as a vaccine adjuvant.设计一种有效的 CD1d 结合型 NKT 细胞配体作为疫苗佐剂。
Proc Natl Acad Sci U S A. 2010 Jul 20;107(29):13010-5. doi: 10.1073/pnas.1006662107. Epub 2010 Jul 2.
4
Asymmetric synthesis of D-ribo-phytosphingosine from 1-tetradecyne and (4-methoxyphenoxy)acetaldehyde.从 1-十四炔和(4-甲氧基苯氧基)乙醛不对称合成 D-赤式-植鞘氨醇。
J Org Chem. 2010 Jul 2;75(13):4356-64. doi: 10.1021/jo100707d.
5
Synthesis of immunostimulatory alpha-C-galactosylceramide glycolipids via Sonogashira coupling, asymmetric epoxidation, and trichloroacetimidate-mediated epoxide opening.通过 Sonogashira 偶联、不对称环氧化和三氯乙酰亚胺酯介导的环氧化物开环反应合成免疫刺激性的α-C-半乳糖神经酰胺糖脂。
Org Lett. 2010 Jul 2;12(13):2974-7. doi: 10.1021/ol1009976.
6
Total synthesis of enantiopure phalarine via a stereospecific Pictet-Spengler reaction: traceless transfer of chirality from L-tryptophan.通过立体特异性皮克特-斯彭格勒反应对映纯苦木碱的全合成:手性从 L-色氨酸的无痕迹转移。
J Am Chem Soc. 2010 Jun 23;132(24):8506-12. doi: 10.1021/ja1030968.
7
Syntheses and biological activities of KRN7000 analogues having aromatic residues in the acyl and backbone chains with varying stereochemistry.具有不同立体化学的酰基和主链中芳基残基的 KRN7000 类似物的合成及生物活性。
Bioorg Med Chem Lett. 2010 Feb 1;20(3):814-8. doi: 10.1016/j.bmcl.2009.12.103. Epub 2010 Jan 4.
8
C-Galactosylceramide Diastereomers via Sharpless Asymmetric Epoxidation Chemistry.通过夏普莱斯不对称环氧化反应化学合成的C-半乳糖神经酰胺非对映体
Tetrahedron. 2008 Sep 8;64(37):8618-8629. doi: 10.1016/j.tet.2008.06.007.
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Exploiting the cross-metathesis reaction in the synthesis of pseudo-oligosaccharides.
Org Biomol Chem. 2009 Jun 21;7(12):2635-44. doi: 10.1039/b822989a. Epub 2009 May 5.
10
Synthesis of all stereoisomers of KRN7000, the CD1d-binding NKT cell ligand.CD1d结合性NKT细胞配体KRN7000所有立体异构体的合成。
Bioorg Med Chem Lett. 2008 Jul 15;18(14):3906-9. doi: 10.1016/j.bmcl.2008.06.036. Epub 2008 Jun 14.

α-1C-半乳糖基神经酰胺的全合成,一种免疫刺激的 C-糖鞘脂,以及第一代合成中立体化学的确认。

Total synthesis of α-1C-galactosylceramide, an immunostimulatory C-glycosphingolipid, and confirmation of the stereochemistry in the first-generation synthesis.

机构信息

Department of Chemistry and Biochemistry, Queens College of The City University of New York, Flushing, New York 11367-1597, United States.

出版信息

J Org Chem. 2011 Nov 4;76(21):8588-98. doi: 10.1021/jo201450s. Epub 2011 Oct 4.

DOI:10.1021/jo201450s
PMID:21958232
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3204185/
Abstract

A nonisosteric α-C-glycoside analogue of KRN7000 (α-1C-GalCer, 1) was reported to induce a selective type of cytokine release in human invariant natural killer cells in vitro. We report here a very concise synthetic route to 1 and its analogue 1'. The key steps include olefin cross-metathesis, Sharpless asymmetric epoxidation, and epoxide opening by NaN(3)/NH(4)Cl. Inversion of configuration at the amide-bearing carbon in the phytosphingosine backbone constructed by epoxide opening in our previous synthesis of 1 was verified, indicating that remote group participation is not involved during the epoxide-opening reaction.

摘要

一种非同系的 α-C-糖苷类似物 KRN7000(α-1C-GalCer,1)被报道在体外能诱导人类不变自然杀伤细胞选择性地释放细胞因子。我们在此报告了一种非常简洁的 1 及其类似物 1'的合成路线。关键步骤包括烯烃交叉复分解、Sharpless 不对称环氧化以及通过NaN(3)/NH(4)Cl 开环。我们之前合成 1 时通过环氧化开环构建的植烷醇骨架中酰胺碳的构型翻转得到了验证,表明在开环反应过程中没有远程基团参与。