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A Well-Defined Aluminum-Based Lewis Acid as an Effective Catalyst for Diels-Alder Transformations
被引:14
|作者:
Liu, Zhizhou
[1
]
Lee, Jazreen Hui Qi
[1
]
Ganguly, Rakesh
[1
]
Vidovic, Dragoslav
[1
]
机构:
[1] Nanyang Technol Univ, Sch Phys & Math Sci, Dept Chem & Biol Chem, Singapore 637371, Singapore
关键词:
aluminum;
homogeneous catalysis;
Diels-Alder reaction;
Lewis acids;
triflate;
TRIHALIDE-TETRAHYDROFURAN COMPLEXES;
MICHAEL ADDITION-REACTIONS;
TRIFLIC ACID;
SILYLIUM ION;
TRIFLUOROMETHANESULFONATE;
HYDROAMINATION;
DICATION;
ALCOHOLS;
CHLORIDE;
BROMIDE;
D O I:
10.1002/chem.201502205
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A catalytically active aluminum-based system for Diels-Alder transformations is reported. The system was generated by mixing a -diketiminate-stabilized aluminum bistriflate compound with Na[BAr4Cl] (Ar-Cl=3,5-Cl2C6H3). Solid-state analysis of the catalytic system reveals a unique structure incorporating a two-dimensional coordination polymer. According to the experimental results obtained from several Diels-Alder transformations, the aluminum-based system appears to be a more practical and more robust alternative to the recently reported compounds based on carbon and silicon cations.
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页码:11344 / 11348
页数:5
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