Axially Chiral Anilido-Aldimine Aluminum Complexes with a Pseudobinaphthyl Skeleton

被引：8
|
作者：
Hayashi, Kazuhiro [1 ]
Nakajima, Yumiko [1 ]
Ozawa, Fumiyuki [1 ]
Kawabata, Takeo [1 ]
机构：
[1] Kyoto Univ, Inst Chem Res, Kyoto 6110011, Japan
来源：
CHEMISTRY LETTERS | 2010年 / 39卷 / 06期
关键词：
POLYMERIZATION; CATALYSIS; LIGANDS; BOND;
D O I：
10.1246/cl.2010.643
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Axially chiral anilido-aldimine aluminum complexes with a pseudobinaphthyl skeleton 3a and 3b have been prepared. X-ray analysis indicates that complex 3b adopts a conformation similar to that of 1,1'-binaphthyls. The racemization barrier of 3a was determined to be 23.0 kcal mol(-1), which was higher by ca. 4 kcal mol(-1) than the corresponding diarylamine precursor with an N-H-N hydrogen bond.
引用
收藏
页码：643 / 645
页数：3
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