Synthesis of novel chiral unsymmetrical imidazolinium bromides

被引:6
|
作者
Yang, Longguang [1 ,2 ]
Sun, Rui [1 ,2 ]
Zhang, Lingqiao [1 ,2 ]
Li, Yunfei [1 ,2 ]
Cao, Changsheng [1 ,2 ]
Pang, Guangsheng [3 ]
Shi, Yanhui [1 ,2 ,4 ]
机构
[1] Xuzhou Normal Univ, Sch Chem & Chem Engn, Xuzhou 221116, Jiangsu, Peoples R China
[2] Xuzhou Normal Univ, Jiangsu Key Lab Green Synthet Chem Funct Mat, Xuzhou 221116, Jiangsu, Peoples R China
[3] Jilin Univ, State Key Lab Inorgan Synth & Preparat Chem, Coll Chem, Changchun 130012, Jilin, Peoples R China
[4] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China
关键词
chiral; imidazolinium; L-phenylalanine; N-heterocyclic carbene; organometallic catalysts; N-HETEROCYCLIC CARBENES; CATALYSTS; LIGANDS;
D O I
10.3184/174751911X13179972094859
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
N-heterocyclic carbenes have been successfully used as ligands in organometallic catalysis, and also as organocatalysts in different reactions. A series of novel chiral unsymmetrical imidazolinium salts which are precursors of N-heterocylic carbenes were synthesised effectively from the relatively inexpensive amino acid L-phenylalanine in six steps. These chiral unsymmetrical imidazolinium bromides were fully characterised by NMR and elemental analysis, and their specific rotations were obtained.
引用
收藏
页码:608 / 610
页数:3
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