蒽环类药物如多柔比星广泛用于治疗癌症。蒽醌相关的角环素也表现出抗增殖特性,并且已被提议通过类似的机制起作用,包括直接基因组靶向。在这里,我们报告了marmycin A 的化学合成及其细胞活性的研究。芳香核心是通过包含区域选择性 Diels-Alder 环加成的一锅多步反应构建的,并通过铜催化的 Ullmann 交叉偶联引入复杂的糖骨架,然后进行具有挑战性的 Friedel-Crafts 环化。值得注意的是,荧光显微镜显示马霉素 A 不靶向细胞核,而是在溶酶体中积累,从而促进细胞死亡,而与基因组靶向无关。此外,marmycin A 和溶酶体靶向剂青蒿琥酯的合成二聚体对侵袭性 MDA-MB-231 癌细胞系表现出协同活性。这些发现揭示了蒽醌衍生物在细胞中作用的难以捉摸的途径,指向了意想不到的生物学和治疗应用。
On the synthesis of the 2,6-dideoxysugar l-digitoxose
作者:Shannon C. Timmons、David L. Jakeman
DOI:10.1016/j.carres.2007.09.012
日期:2007.12
As deoxysugars are integral components of many natural products, the development of efficient chemical and enzymatic routes to prepare these compounds is of particular interest. Herein, we report a comparison of several synthetic methodologies used to prepare protected derivatives of the 2,6-dideoxysugar L-digitoxose. A novel, stereoselective synthetic route to efficiently access methyl 4-O-tert-butyldimethylsilyl-2,6-dideoxy-3-O-trimethylsilyl-alpha-L-ribo-hexopyranoside in 35% yield over nine facile steps is described. (C) 2007 Elsevier Ltd. All rights reserved.
Brimacombe, John S.; Hanna, Roderick; Saeed, May S., Journal of the Chemical Society. Perkin transactions I, 1982, # 11, p. 2583 - 2588
作者:Brimacombe, John S.、Hanna, Roderick、Saeed, May S.、Tucker, Leslie C. N.
DOI:——
日期:——
The reaction of derivatives of methyl 2,3-O-benzylidene-α-l-rhamnopyranoside with butyl-lithium
作者:John S. Brimacombe、Roderick Hanna、May S. Saeed、Leslie C.N. Tucker
DOI:10.1016/s0008-6215(00)81059-9
日期:——
METHOD FOR PREPARING MARMYCIN A AND ANALOGUES THEREOF, AND ALSO USES THEREOF
申请人:Centre national de la recherche scientifique
公开号:US20170260210A1
公开(公告)日:2017-09-14
The present invention relates to a method for preparing marmycin A and analogues thereof, to novel marmycin A analogues, and also to the use of these compounds as an organelle marker and in pharmacy, in particular as antibiotics, anticancer agents and antimalarials.
Synthesis of marmycin A and investigation into its cellular activity
exhibit antiproliferative properties and have been proposed to operate via similar mechanisms, including direct genome targeting. Here, we report the chemical synthesis of marmycin A and the study of its cellular activity. The aromatic core was constructed by means of a one-pot multistep reaction comprising a regioselective Diels–Alder cycloaddition, and the complex sugar backbone was introduced through
蒽环类药物如多柔比星广泛用于治疗癌症。蒽醌相关的角环素也表现出抗增殖特性,并且已被提议通过类似的机制起作用,包括直接基因组靶向。在这里,我们报告了marmycin A 的化学合成及其细胞活性的研究。芳香核心是通过包含区域选择性 Diels-Alder 环加成的一锅多步反应构建的,并通过铜催化的 Ullmann 交叉偶联引入复杂的糖骨架,然后进行具有挑战性的 Friedel-Crafts 环化。值得注意的是,荧光显微镜显示马霉素 A 不靶向细胞核,而是在溶酶体中积累,从而促进细胞死亡,而与基因组靶向无关。此外,marmycin A 和溶酶体靶向剂青蒿琥酯的合成二聚体对侵袭性 MDA-MB-231 癌细胞系表现出协同活性。这些发现揭示了蒽醌衍生物在细胞中作用的难以捉摸的途径,指向了意想不到的生物学和治疗应用。