Combining in situ Generated Chiral Silicon Lewis Acid and Chiral Bronsted Acid Catalysts for [3+2]Cycloadditions: Cooperative Catalysis as a Convenient Enantioselective Route to Pyrazolidines

被引:26
|
作者
Serdyuk, Olga V. [1 ]
Zamfir, Alexandru [1 ]
Hampel, Frank [1 ]
Tsogoeva, Svetlana B. [1 ]
机构
[1] Univ Erlangen Nurnberg, Dept Chem & Pharm, Chair Organ Chem 1, D-91054 Erlangen, Germany
关键词
3+2]cycloaddition; enantioselective synthesis; organocatalysis; pyrazolidines; silicon catalysts; ASYMMETRIC-SYNTHESIS; HYDRAZONES; ANTIDEPRESSANT; ALDEHYDES; EFFICIENT;
D O I
10.1002/adsc.201200293
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
A facile enantioselective synthesis of chiral pyrazolidines via a [3+2]cycloaddition reaction, involving a BINOL-derived phosphoric acid and an in situ generated BINOL phosphate-derived silicon Lewis acid, which may act cooperatively, has been developed.
引用
收藏
页码:3115 / 3121
页数:7
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