Regioselective acetylation of carbohydrates and diols catalyzed by tetramethyl-ammonium hydroxide in water
Regioselective acetylation of carbohydrates and diols catalyzed by tetramethyl-ammonium hydroxide in water
复制标题
四甲基氢氧化铵在水中催化碳水化合物和二醇的区域选择性乙酰化
DOI:
10.1039/c4gc00770k
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发表时间:
2014-09
期刊:
影响因子:
9.8
通讯作者:
Pei, Zhichao
中科院分区:
文献类型:
--
作者:
Pei, Yuxin;Xu, Hengfu;Xin, Xiaoting;Pei, Zhichao
A novel method for an efficient regioselective acetylation of carbohydrates and diols in aqueous solution is described. Treatment of substrates with 1-acetylimidazole, and tetramethyl-ammonium hydroxide (TMAH) in water under mild conditions gave highly regioselective acetylation for primary hydroxyl groups. This discovery provides an eco-friendly way for selective acetylation of non-protected glycosides and diols in water, avoiding the use of toxic organic solvents and the necessity of pre-protection of secondary hydroxyl groups.
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