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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Shangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R ChinaShangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R China
Meng, Tuanjie
Liu, Lantao
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Shangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R ChinaShangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R China
Liu, Lantao
Ren, Lifeng
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Shangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R ChinaShangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R China
Ren, Lifeng
Liu, Xinming
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Shangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R ChinaShangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R China
Liu, Xinming
Wang, Xiaojuan
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Shangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R ChinaShangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R China
Wang, Xiaojuan
Zhao, Wenxian
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Shangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R ChinaShangqiu Normal Univ, Coll Chem & Chem Engn, Key Lab New Organ Mat Synth, Shangqiu 476000, Peoples R China