One-pot three-component Mannich-type reactions using Sulfamic acid catalyst under ultrasound irradiation
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作者:
Zeng, Hongyao
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Chinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Grad Sch, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Grad Sch, Chengdu 610041, Peoples R China
Zeng, Hongyao
[1
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Li, Hua
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Chinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Grad Sch, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Grad Sch, Chengdu 610041, Peoples R China
Li, Hua
[1
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Shao, Huawu
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Chinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Grad Sch, Chengdu 610041, Peoples R ChinaChinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Grad Sch, Chengdu 610041, Peoples R China
Shao, Huawu
[1
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机构:
[1] Chinese Acad Sci, Chengdu Inst Biol, Nat Prod Res Ctr, Grad Sch, Chengdu 610041, Peoples R China
Sulfamic acid (NH2SO3H, SA) was used as an efficient, inexpensive, non-toxic and recyclable green catalyst for the ultrasound-assisted one-pot Mannich reaction of aldehydes with ketones and amines. This ultrasound protocol has advantages of high yield, mild condition, no environmental pollution, and simple work-up procedures. Most importantly, beta-aminocarbonyl compounds with ortho-substituted aromatic amines are obtained in acceptable to good yields by this methodology for the first time. (C) 2009 Elsevier B.V. All rights reserved.
机构:
Sci Univ Tokyo, Dept Ind Chem, Fac Engn, Shinjuku Ku, Tokyo 1628601, JapanSci Univ Tokyo, Dept Ind Chem, Fac Engn, Shinjuku Ku, Tokyo 1628601, Japan
Hayashi, Y
Tsuboi, W
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机构:Sci Univ Tokyo, Dept Ind Chem, Fac Engn, Shinjuku Ku, Tokyo 1628601, Japan
Tsuboi, W
Ashimine, I
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机构:Sci Univ Tokyo, Dept Ind Chem, Fac Engn, Shinjuku Ku, Tokyo 1628601, Japan
Ashimine, I
Urushima, T
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机构:Sci Univ Tokyo, Dept Ind Chem, Fac Engn, Shinjuku Ku, Tokyo 1628601, Japan
Urushima, T
Shoji, M
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机构:Sci Univ Tokyo, Dept Ind Chem, Fac Engn, Shinjuku Ku, Tokyo 1628601, Japan
Shoji, M
Sakai, K
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机构:Sci Univ Tokyo, Dept Ind Chem, Fac Engn, Shinjuku Ku, Tokyo 1628601, Japan
机构:
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