Recent advances in the electrochemical construction of heterocycles.

Recent advances in the electrochemical construction of heterocycles.
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DOI:
10.3762/bjoc.10.303
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发表时间:
2014
影响因子:
2.7
通讯作者:
Francke R
Francke R
中科院分区:
化学4区
文献类型:
--
作者:
Francke R

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由于大部分药物和农用化学品含有杂环单元,并且由于商业上使用的杂环化合物的总数正在稳步增长,因此杂环化学仍然是合成界的焦点。在过去的几十年中,为了使这种化合物的生产更具选择性和效率,已经进行了巨大的努力。然而,大多数用于构建杂环核的常规方法仍然涉及使用强酸或碱、在高温下操作和/或使用昂贵的催化剂和试剂。在这方面,电合成可以提供更温和和更环保的替代方案。事实上,近年来已经报道了许多用于电化学构建杂环的实例。这些情况表明,环的形成可以在环境条件下有效地实现,而无需使用额外的试剂。为了说明在这一领域的最新发展,选择代表性的反应,并在这篇评论中进行了讨论。
Due to the fact that the major portion of pharmaceuticals and agrochemicals contains heterocyclic units and since the overall number of commercially used heterocyclic compounds is steadily growing, heterocyclic chemistry remains in the focus of the synthetic community. Enormous efforts have been made in the last decades in order to render the production of such compounds more selective and efficient. However, most of the conventional methods for the construction of heterocyclic cores still involve the use of strong acids or bases, the operation at elevated temperatures and/or the use of expensive catalysts and reagents. In this regard, electrosynthesis can provide a milder and more environmentally benign alternative. In fact, numerous examples for the electrochemical construction of heterocycles have been reported in recent years. These cases demonstrate that ring formation can be achieved efficiently under ambient conditions without the use of additional reagents. In order to account for the recent developments in this field, a selection of representative reactions is presented and discussed in this review.
DOI: 10.1039/a802306i
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