- Lewis Acid Activation of a Hydrogen Bond Donor Metal-Organic Framework for Catalysis
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A new metal-organic framework (MOF) composed of urea-containing tetracarboxylate struts was synthesized, and its hydrogen bonding capabilities were evaluated. The catalytic performance of this heterogeneous framework is enhanced through preactivation with silyl Lewis acids, leading to Friedel-Crafts reaction rates greater than those of common homogeneous hydrogen bond donors.
- Hall, Edward A.,Redfern, Louis R.,Wang, Michael H.,Scheidt, Karl A.
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p. 3248 - 3252
(2016/07/06)
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- A novel pyrrolidinium ionic liquid with 1,1,2,2-tetrafluoro-2-(1,1,2,2-tetrafluoroethoxy)ethanesulfonate anion as a recyclable reaction medium and efficient catalyst for Friedel-Crafts alkylations of indoles with nitroalkenes
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A series of pyrrolidinium-based salts with new fluorine-containing anions were synthesized. Different melting points could be obtained by changing the length of the fluoroalkyl chain of the anions. The pyrrolidinium 1,1,2,2-tetrafluoro-2-(1,1,2,2-tetraflu
- Lin, Jin-Hong,Zhang, Cheng-Pan,Zhu, Zhi-Qiang,Chen, Qing-Yun,Xiao, Ji-Chang
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experimental part
p. 394 - 398
(2009/12/03)
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