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铑/钴异双金属纳米颗粒催化的炔烃与烯醛之间的Pauson-Khand型反应：以烯醛作为烯烃和CO源

A Pauson-Khand-type reaction between alkynes and olefinic aldehydes catalyzed by rhodium/cobalt heterobimetallic nanoparticles: an olefinic aldehyde as an olefin and CO source.

作者信息

Park Kang Hyun, Jung Il Gu, Chung Young Keun

机构信息

School of Chemistry, Seoul National University, Seoul 151-747, Korea.

出版信息

Org Lett. 2004 Apr 1;6(7):1183-6. doi: 10.1021/ol049765s.

DOI:10.1021/ol049765s
PMID:15040753
Abstract

Co/Rh (Co:Rh = 2:2) heterobimetallic nanoparticles derived from Co(2)Rh(2)(CO)(12) react with alkynes and alpha,beta-unsaturated aldehydes such as acrolein, crotonaldehyde, and cinnamic aldehyde and release products resulting from [2 + 2 + 1]cycloaddition of alkyne, carbon monoxide, and alkene. alpha,beta-Unsaturated aldehydes act as a CO and alkene source. These reactions produce 2-substituted cyclopentenones.

摘要

源自Co(2)Rh(2)(CO)(12)的Co/Rh（Co:Rh = 2:2）异质双金属纳米颗粒与炔烃以及α,β-不饱和醛（如丙烯醛、巴豆醛和肉桂醛）发生反应，并释放出炔烃、一氧化碳和烯烃经[2 + 2 + 1]环加成反应生成的产物。α,β-不饱和醛充当一氧化碳和烯烃的来源。这些反应生成2-取代环戊烯酮。

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