A Concise and Efficient Synthesis of seco-Duocarmycin SA

A Concise and Efficient Synthesis of seco-Duocarmycin SA
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Seco-Duocarmycin SA 的简洁高效合成

DOI:
10.1002/ejoc.200390094
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发表时间:
2003
影响因子:
2.8
通讯作者:
T. Herzig
T. Herzig
中科院分区:
化学3区
文献类型:
--
作者:
L. Tietze;F. Haunert;T. Feuerstein;T. Herzig

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开环倍癌霉素SA(3)是一种高效的细胞生长抑制剂,也是天然产物倍癌霉素SA(1)的直接前体。从可商购的2-甲氧基-4-硝基苯胺(4)开始,合成方案包含Fischer吲哚合成以引入杂环骨架和自由基5-外消旋环化以提供(氯甲基)吲哚啉环系统作为关键反应。(© Wiley-VCH Verlag GmbH & Co. KGaA,69451魏因海姆,德国,2003)
A short and efficient synthesis of seco-duocarmycin SA (3), a highly potent cytostatic agent and direct precursor of the natural product duocarmycin SA (1), has been achieved. Starting from commercially available 2-methoxy-4-nitroaniline (4) the synthetic protocol contains a Fischer indole synthesis to introduce the heterocyclic scaffold and a radical 5-exo-trig cyclization to furnish the (chloromethyl)indoline ring system as key reactions. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)