Selective esterifications of primary alcohols in a water-containing solvent.

Selective esterifications of primary alcohols in a water-containing solvent.
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DOI:
10.1021/ol3022337
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发表时间:
2012-09-21
期刊:
影响因子:
5.2
通讯作者:
Kurosu, Michio
Kurosu, Michio
中科院分区:
化学1区
文献类型:
--
作者:
Wang, Yong;Aleiwi, Bilal A.;Wang, Qinghui;Kurosu, Michio

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Oxyma及其衍生物2-氰基-2-(羟基亚氨基)乙酸(2,2-二甲基-1,3-二氧戊环-4-基)甲酯(5 b)对伯醇的选择性酯化反应有显著的影响。通过使用EDCI、NaHCO 3和Oxyma或Oxyma衍生物5 b在5% H2O-CH 3CN中可以用伯醇酯化宽范围的羧酸。Oxyma衍生物5 b是特别有用的,因为它可以在反应后通过简单的碱性或酸性水处理程序除去。
Oxyma and an oxyma derivative, (2,2-dimethyl-1,3-dioxolan-4-yl)methyl 2-cyano-2-(hydroxyimino)acetate (5b), displayed remarkable effect on selective esterifications of primary alcohols. A wide range of carboxylic acids could be esterified with primary alcohols by using EDCI, NaHCO3, and Oxyma or an Oxyma derivative 5b in 5% H2O-CH3CN. An Oxyma derivative 5b is particularly useful since it could be removed after the reaction via a simple basic or an acidic aqueous work-up procedure.
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