The reaction of aldehydes, amines, and TMSCN in the presence of 2-iodoxybenzoic acid (IBX) and tetrabutylammonium bromide (TBAB) afforded alpha-iminonitriles in good to excellent yields under mild conditions. The presence of TBAB is essential for this transformation. The methodology was applied to a two-step synthesis of indolizidine via a microwave-assisted intramolecular cycloaddition of alpha-iminonitrile.
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E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R ChinaChinese Acad Sci, Dept Med Chem, Shanghai Inst Mat Med, Shanghai 201203, Peoples R China
Zhang, Haoyi
Leng, Yixin
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E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R ChinaChinese Acad Sci, Dept Med Chem, Shanghai Inst Mat Med, Shanghai 201203, Peoples R China
Leng, Yixin
Liu, Wenjing
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E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R ChinaChinese Acad Sci, Dept Med Chem, Shanghai Inst Mat Med, Shanghai 201203, Peoples R China
Liu, Wenjing
Duan, Wenhu
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Chinese Acad Sci, Dept Med Chem, Shanghai Inst Mat Med, Shanghai 201203, Peoples R China
E China Univ Sci & Technol, Sch Pharm, Shanghai 200237, Peoples R ChinaChinese Acad Sci, Dept Med Chem, Shanghai Inst Mat Med, Shanghai 201203, Peoples R China