Regioselective alkylation of aromatic aldimines and ketimines via C-H bond activation by a rhodium catalyst

被引:18
作者
Lim, YG
Han, JS
Koo, BT
Kang, JB
机构
[1] Agcy Def Dev, Taejon 305600, South Korea
[2] Hanbat Natl Univ, Dept Ind Chem, Taejon, South Korea
关键词
alkylation; C-C bond formation; rhodium catalyst; aldimines; ketimines;
D O I
10.1016/j.molcata.2003.08.019
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The aldimines and ketimines reacted with alkenes under a rhodium catalyst [Rh(coe)(2)Cl](2) and Cy3P to give mainly the double alkylated products with moderate to high yields. The aldimines bearing H, p-CH3O, p-CH3, p-Cl, p-F, p-CF3 and o-CH3 groups have high reactivities, but m-CH3O, m-Cl and m-F exhibit moderate reactivities. However, o-Cl, o-NO2 and p-NO2 groups did not work. The ketimine 9 gave the mono-alkylated products predominantly. 1-Naphthyl and heteroaromatic aldimines showed good regioselectivities. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:41 / 49
页数:9
相关论文
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