State Key Laboratory and Institute of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China.
J Org Chem. 2010 Jan 1;75(1):257-60. doi: 10.1021/jo902292t.
A reversible in situ acidic catalytic system comprising recyclable TEMPO functionalized imidazolium salt ([Imim-TEMPO][Cl])/NaNO(2)/CO(2)/H(2)O was developed for selective transformation of a series of aliphatic, allylic, heterocyclic, and benzylic alcohols to the respective carbonyl compounds. Notably, the system avoids any conventional acid and can eliminate unwanted byproducts, facilitate reaction, ease separation of the catalyst and product, and also provide a safe environment for oxidation involving oxygen gas.
开发了一种可回收的 TEMPO 功能化的咪唑鎓盐 ([Imim-TEMPO][Cl])/NaNO2/CO2/H2O 可逆原位酸性催化体系，用于选择性地将一系列脂肪族、烯丙基、杂环和苄醇转化为相应的羰基化合物。值得注意的是，该体系避免了任何常规酸，并能消除不需要的副产物，促进反应，便于催化剂和产物的分离，同时为涉及氧气的氧化反应提供了安全的环境。
