A photochemical approach to the Galanthan ring system

A photochemical approach to the Galanthan ring system
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DOI:
10.1021/jo0356560
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发表时间:
2004-03-05
影响因子:
3.6
通讯作者:
Winslow, CD
Winslow, CD
中科院分区:
化学2区
文献类型:
--
作者:
Minter, DE;Winslow, CD

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已经开发出加兰坦四环骨架的五步原子效率合成方法。关键步骤是使用异喹诺酮底物与氮上的官能化链进行不寻常的分子内 de Mayo 反应。由异喹诺酮产生的目标分子总产率为 35%。
A five-step, atom-efficient synthesis of the Galanthan tetracyclic skeleton has been developed. The key step is an unusual intramolecular de Mayo reaction using an isocarbostyril substrate with a functionalized tether on nitrogen. The target molecule is produced in 35% overall yield from isocarbostyril.