Journal
ULTRASONICS SONOCHEMISTRY
Volume 16, Issue 6, Pages 758-762Publisher
ELSEVIER
DOI: 10.1016/j.ultsonch.2009.03.008
Keywords
Mannich reaction; Ultrasound; beta-Aminocarbonyl compound; One-pot reaction; Sulfamic acid
Categories
Funding
- Chinese Academy of Sciences (Hundreds of Talents Program)
- NMR
- Analytical and Testing Center of Chengdu Institute of Biology
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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.
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