1H NMR Studies of Aqueous N,N-Dimethylacetamide Solutions

Acta Chimica Sinica ›› 2005, Vol. 63 ›› Issue (14): 1293-1297. Previous Articles Next Articles

Original Articles

DMA水溶液的¹H NMR研究

朱龙华*¹，平磊¹，雷毅²

(¹ 中国计量学院生命科学学院杭州 310018)
(² 浙江大学化学系杭州 310027)

投稿日期:2004-06-15 修回日期:2005-03-21 发布日期:2010-12-10
通讯作者: 朱龙华

¹H NMR Studies of Aqueous N,N-Dimethylacetamide Solutions

ZHU Long-Hua*¹, PING Lei¹, LEI Yi²

(¹College of Life Sciences, China Jiliang University, Hangzhou 310018)
(²Department of Chemistry, Zhejiang University, Hangzhou 310027)

Received:2004-06-15 Revised:2005-03-21 Published:2010-12-10
Contact: ZHU Long-Hua

Abstract

¹H NMR of aqueous N,N-dimethylacetamide (DMA) solutions was measured at different temperatures. Based on chemical association model, the association equilibrium constant K and the corresponding ΔH were obtained. In addition, these results were compared with those of aqueous dimethylformamide and N-methylacetamide solutions. It was found that the effect of the amides on the structure of water was very dependent upon solution composition and the intrinsic molecular structure of the amide.

Key words: N,N-dimethylacetamide (DMA), dimethylformamide (DMF), N-methylacetamide (NMA), water, association, ¹H NMR

Cite this article

ZHU Long-Hua*, PING Lei, LEI Yi². ¹H NMR Studies of Aqueous N,N-Dimethylacetamide Solutions[J]. Acta Chimica Sinica, 2005, 63(14): 1293-1297.

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DMA水溶液的¹H NMR研究

¹H NMR Studies of Aqueous N,N-Dimethylacetamide Solutions

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DMA水溶液的1H NMR研究