期刊
TETRAHEDRON LETTERS
卷 50, 期 15, 页码 1744-1747出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.01.144
关键词
Cellulose; Ionic liquid; Tritylation; Protection; Deprotection
资金
- Alfred Kordelin foundation (Gustaf Komppa trust)
Increased reactivity of cellulose in ionic liquids was revealed when cellulose was protected with a 4-methoxytrityl moiety in the imidazolium-based ionic liquid, 1-allyl-3-methylimidazolium chloride ([amim]Cl). Selectively protected 2,6-di-O-(4-methoxytrityl)cellulose was obtained in one reaction step with a DS of close to 2, and was characterised by NMR. (C) 2009 Elsevier Ltd. All rights reserved.
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