An efficient iron porphyrin Lewis acid-catalyzed cycloaddition of aziridines with aldehydes has been developed to provide oxazolidines with high regio- and diastereoselectivity. The cycloaddition proceeds in toluene with 1 mol % of the iron catalyst at 25 degrees C. A theoretical study and synchrotron-based X-rabsorption fine structure measurements provided fundamental insights into the aziridine iron porphyrin complex, which is the key intermediate for the generation of the 1,3-dipole synthon.
机构:Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China
Reddy, Annapureddy Rajasekar
Guo, Zhen
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机构:Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China
Guo, Zhen
Siu, Fung-Ming
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机构:Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China
Siu, Fung-Ming
Lok, Chun-Nam
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机构:Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China
Lok, Chun-Nam
Liu, Fuli
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机构:Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China
Liu, Fuli
Yeung, Kai-Chung
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机构:Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China
Yeung, Kai-Chung
Zhou, Cong-Ying
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Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China
Zhou, Cong-Ying
Che, Chi-Ming
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机构:Univ Hong Kong, Dept Chem, State Key Lab Synthet Chem, Hong Kong, Hong Kong, Peoples R China