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吡咯吲哚啉和双吡咯吲哚啉是生物碱结构基元的一个亚类,通常表现出生物活性。本文描述了一种手性选择性有机催化合成吡咯吲哚啉架构的方法。在咪唑烷酮催化剂1和8的存在下,色胺与α,β-不饱和醛的加成-环化反应生成吡咯吲哚啉加合物,产率高且手性选择性优异。该转化适用于多种色胺和α,β-不饱和醛底物。该胺催化序列还扩展到了手性选择性构建呋喃吲哚啉骨架。将该吡咯吲哚啉形成反应用于天然产物合成,已成功应用于(-)-flustramine B的手性选择性合成中。
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Joel F. Austin
Sung-Gon Kim
Christopher J. Sinz
Proceedings of the National Academy of Sciences
California Institute of Technology
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Austin等人(Mon,)研究了该问题。
www.synapsesocial.com/papers/6a04290f19338a5de3de4cb0 — DOI: https://doi.org/10.1073/pnas.0308177101
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