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钌催化苯乙酮的串联C-H官能团化反应

Ruthenium-catalyzed cascade C-H functionalization of phenylacetophenones.

作者信息

Mehta Vaibhav P, García-López José-Antonio, Greaney Michael F

机构信息

School of Chemistry, The University of Manchester, Manchester, M13 9PL (UK).

出版信息

Angew Chem Int Ed Engl. 2014 Feb 3;53(6):1529-33. doi: 10.1002/anie.201309114. Epub 2014 Jan 22.

DOI:10.1002/anie.201309114
PMID:24453063
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4265981/
Abstract

Three orthogonal cascade CH functionalization processes are described, based on ruthenium-catalyzed CH alkenylation. 1-Indanones, indeno indenes, and indeno furanones were accessed through cascade pathways by using arylacetophenones as substrates under conditions of catalytic [{Ru(p-cymene)Cl2 }2 ] and stoichiometric Cu(OAc)2 . Each transformation uses CH functionalization methods to form CC bonds sequentially, with the indeno furanone synthesis featuring a CO bond formation as the terminating step. This work demonstrates the power of ruthenium-catalyzed alkenylation as a platform reaction to develop more complex transformations, with multiple CH functionalization steps taking place in a single operation to access novel carbocyclic structures.

摘要

基于钌催化的CH烯基化反应,描述了三种正交级联CH官能团化反应过程。在催化量的[{Ru(p - 异丙基苯)Cl2 }2 ]和化学计量的Cu(OAc)2 条件下,以芳基苯乙酮为底物,通过级联反应途径合成了1 - 茚酮、茚并茚和茚并呋喃酮。每个转化过程都使用CH官能团化方法依次形成CC键,茚并呋喃酮的合成以形成CO键作为终止步骤。这项工作证明了钌催化的烯基化反应作为一种平台反应来开发更复杂转化反应的能力,多个CH官能团化步骤可在一次操作中进行,以获得新型碳环结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/8397b21f7de1/anie0053-1529-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/b2bc61a6f5df/anie0053-1529-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/ad326aaa15e3/anie0053-1529-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/a4ed02fbcce8/anie0053-1529-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/36d90e504670/anie0053-1529-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/8397b21f7de1/anie0053-1529-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/b2bc61a6f5df/anie0053-1529-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/ad326aaa15e3/anie0053-1529-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/a4ed02fbcce8/anie0053-1529-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/36d90e504670/anie0053-1529-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5b11/4265981/8397b21f7de1/anie0053-1529-f5.jpg

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