The one-pot three-component condensation of a beta-ketoester, ammonia and an alkynone in the presence of a Bronsted or Lewis acid or Amberlyst 15 ion exchange resin provided 2,3,6-trisubstituted or 2,3,4,6-tetrasubstituted pyridines directly in good yield and with total regiocontrol.
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Wuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R China
Hu, Jiaxing
Deng, Zhihong
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Jiangxi Normal Univ, Minist Educ, Key Lab Funct Small Organ Mol, Nanchang 330022, Peoples R ChinaWuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R China
Deng, Zhihong
Zhang, Xueqiong
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Wuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R China
Zhang, Xueqiong
Zhang, Fanglin
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Wuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R China
Jiangxi Normal Univ, Minist Educ, Key Lab Funct Small Organ Mol, Nanchang 330022, Peoples R ChinaWuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R China
Zhang, Fanglin
Zheng, Hua
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Wuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R ChinaWuhan Univ Technol, Sch Chem Engn, Dept Pharmaceut Engn, Wuhan 430070, Peoples R China