Synthesis and characterization of chitosan alkyl urea
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- 作者：Jing Wanga ; 1 ; Ji-Zhou Jiangb ; 1 ; Wei Chena ; Zheng-Wu Baia ; zwbai@wit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; zhengwubai@163.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Chitosan ; N-methoxyformylation ; Amine-ester exchange ; Chitosan alkyl urea ; Theoretical calculation
- 刊名：Carbohydrate Polymers
- 出版年：2016
- 出版时间：10 July 2016
- 年：2016
- 卷：145
- 期：Complete
- 页码：78-85
- 全文大小：1728 K
文摘
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A series of chitosan alkyl urea derivatives were synthesized.
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Amino group on chitosan was selectively converted into urea.
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Methoxyformylation and amine-ester exchange were performed almost quantitatively.
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Theoretical calculation showed the structure of amine affect amine-ester exchange.
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Prepared chitosan alkyl urea derivatives were fully characterized by NMR spectra.