Rapid Injection NMR Reveals η3 'π-Allyl' CuIII Intermediates in Addition Reactions of Organocuprate Reagents

被引:24
作者
Bertz, Steven H. [1 ]
Hardin, Richard A. [1 ]
Murphy, Michael D. [1 ]
Ogle, Craig A. [1 ]
Richter, Joshua D. [1 ]
Thomas, Andy A. [1 ]
机构
[1] Univ N Carolina, Dept Chem, Charlotte, NC 28223 USA
基金
美国国家科学基金会;
关键词
CONJUGATE ADDITION; GILMAN REAGENTS; ORGANOCOPPER; COPPER(I); MECHANISM; INSIGHTS;
D O I
10.1021/ja3022363
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
By using rapid injection NMR, it has now been possible to prepare and characterize the eta(3) 'pi-allyl' copper(III) intermediate that has been proposed for addition reactions of organocopper(I) reagents and alpha,beta-unsaturated carbonyl compounds.
引用
收藏
页码:9557 / 9560
页数:4
相关论文
共 21 条
[1]   Theoretical Insights into Enantioselective Catalysis: The Mechanism of the Kharasch-Sosnovsky Reaction [J].
Antonio Mayoral, Jose ;
Rodriguez-Rodriguez, Sergio ;
Salvatella, Luis .
CHEMISTRY-A EUROPEAN JOURNAL, 2008, 14 (30) :9274-9285
[2]   Preparation of σ- and π-allylicopper(III) intermediates in SN2 and SN2′ reactions of organocuprate(I) reagents with allylic substrates [J].
Bartholomew, Erika R. ;
Bertz, Steven H. ;
Cope, Stephen ;
Murphy, Michael ;
Ogle, Craig A. .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2008, 130 (34) :11244-+
[3]   Neutral organocopper(III) complexes [J].
Bartholomew, Erika R. ;
Bertz, Steven H. ;
Cope, Stephen ;
Dorton, Donna C. ;
Murphy, Michael ;
Ogle, Craig A. .
CHEMICAL COMMUNICATIONS, 2008, (10) :1176-1177
[4]   Serendipity strikes again-efficient preparation of lithium tetramethylcuprate(III) via rapid injection NMR [J].
Bartholomew, Erika R. ;
Bertz, Steven H. ;
Cope, Stephen K. ;
Murphy, Michael D. ;
Ogle, Craig A. ;
Thomas, Andy A. .
CHEMICAL COMMUNICATIONS, 2010, 46 (08) :1253-1254
[5]   ARYLLEAD TRIACETATES - REGIOSELECTIVE REAGENTS FOR N-ARYLATION OF AMINES [J].
BARTON, DHR ;
DONNELLY, DMX ;
FINET, JP ;
GUIRY, PJ .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 1991, (09) :2095-2012
[6]   Rapid-injection NMR study of lodo- and cyano-gilman reagents with 2-cyclohexenone:: observation of π-complexes and their rates of formation1 [J].
Bertz, SH ;
Carlin, CM ;
Deadwyler, DA ;
Murphy, MD ;
Ogle, CA ;
Seagle, PH .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2002, 124 (46) :13650-13651
[7]   Organocuprate cross-coupling: The central role of the copper(III) intermediate and the importance of the Copper(I) precursor [J].
Bertz, Steven H. ;
Cope, Stephen ;
Dorton, Donna ;
Murphy, Michael ;
Ogle, Craig A. .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2007, 46 (37) :7082-7085
[8]   Rapid injection NMR in mechanistic organocopper chemistry. Preparation of the elusive copper(III) intermediate [J].
Bertz, Steven H. ;
Cope, Stephen ;
Murphy, Michael ;
Ogle, Craig A. ;
Taylor, Brad J. .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2007, 129 (23) :7208-+
[9]   Organocuprate(III) chemistry: synthesis and reactivity of amido, cyano, phosphido and thiolato ate complexes of compper(III) [J].
Bertz, Steven H. ;
Murphy, Michael D. ;
Ogle, Craig A. ;
Thomas, Andy A. .
CHEMICAL COMMUNICATIONS, 2010, 46 (08) :1255-1256
[10]  
Cope S.K., 2007, 233 ACS NAT M CHIC I