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Stereoselective Aldol Reaction in Aqueous Solution Using Prolinamido-Glycosides as water-compatible Organocatalyst

Modern Research in Catalysis 2015年第1期4卷 20-27页

作者： Daisuke Miura Tomoya Machinami Department of Chemistry College of Science and Technology Meisei University Hino Tokyo Japan

Prolinamido-glycoside catalyzed asymmetric aldol reaction in aqueous media is reported. The reactions are rapid and highly stereoselective when water is used as solvent. The stereoselectivities were under influence of configurations of a prolyl residue of the catalyst and α-chiral aldehydes. water soluble prolinamido-glycoside catalysts are easily separable from reaction mixture and can be recycled and re-used several times.

关键词： Organocatalyst Aldol Reaction Carbohydrate water-compatible Prolinamide

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The Development of Molecularly Imprinted Polymers in the Clean-Up of water Pollutants: A Review

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American Journal of Analytical Chemistry 2019年第5期10卷 202-226页

作者： Kwabena Agyarko Sarpong Wanzhen Xu Weihong Huang Wenming Yang School of the Environment and Safety Engineering Jiangsu University Zhenjiang China School of Materials Science and Engineering Jiangsu University Zhenjiang China

In the last decades, the extensive use of chemical and biological materials has not only seen to an increased transport of environmental pollutants but also, it has interfered and compromised the pristine state of different environmental matrices with emphasis on waterbodies. This has stimulated studies to develop and adopt novel techniques which consider the removal of pollutants with premium on economic feasibility, simple instrumentation, and high performance. In the treatment of water, the removal of trace concentration organic compounds and other numerous polluted water effluents is difficult due to limited affinity of trace compound ions to ion exchange resins. Because of the selective nature;recognition properties;adsorption ability;high stability;and easier preparation of molecular imprints, they are considered attractive and suitable artificial receptors to be applied in analytical separations, drug delivery, and as chemical sensors. In this review, we touch on the fundamentals of molecularly imprinted technologies and underscore some recent advances made in the development of imprinted polymers that are compatible with water and how they can be used in the clean-up of pollutants. The paper finally presents a comprehensive report on some challenges and outlook in the use of MIPs as water treatment sorbent.

关键词： Wastewater Treatment Aqueous Conditions Molecularly Imprinted Polymers water-compatible

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