Iridium Pincer-Catalyzed Dehydrogenation of Ethers Featuring Ethylene as the Hydrogen Acceptor

被引：28
|
作者：
Lyons, Thomas W. [1 ]
Bezier, David [1 ]
Brookhart, Maurice [1 ]
机构：
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
来源：
ORGANOMETALLICS | 2015年 / 34卷 / 16期
基金：
美国国家科学基金会;
关键词：
COMPLEXES; ALKANES; HYDROCARBONS; SYSTEM;
D O I：
10.1021/acs.organomet.5b00501
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We describe efficient methods to dehydrogenate ethers by using iridium pincer complexes ((ipr4)Anthraphos)-Ir(H)(Cl), 4, (PC)-P-ipr4(sp(3))P-Ir(H)(Cl) 5, and ((PCP)-P-ipr4)-Ir(H)(Cl), 6. At 120 degrees C, cyclic ethers were dehydrogenated with high turnover numbers (over 400 in many cases). Acyclic ethers such as diethyl ether can also be dehydrogenated catalytically with TONs up to 90. The efficient dehydrogenation of cyclic and acyclic ethers using ethylene as a more practical hydrogen acceptor has been demonstrated for the first time.
引用
收藏
页码：4058 / 4062
页数：5
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