126-21-6Relevant articles and documents
Ruthenium-Catalyzed Oxidation of Nonactivated Alcohols by MnO2
Karlsson, Ulrika,Wang, Guo-Zhi,Baeckvall, Jan-E.
, p. 1196 - 1198 (1994)
Nonactivated alcohols are oxidized to ketones by MnO2 in the presence of a catalytic system consisting of 2 (1) and 2,6-di-tert-butylbenzoquinone (2).The reaction proceeds via a ruthenium-catalyzed dehydrogenation of the alcohol and subsequent hydrogen transfer to 2,6-di-tert-butylbenzoquinone (2).The hydroquinone formed is reoxidized to quinone by MnO2.
Photochemical Transformations with Iodine Azide after Release from an Ion-Exchange Resin
Dr?ger, Gerald,K?sel, Teresa,Kirschning, Andreas,Schulz, G?ran
supporting information, p. 12376 - 12380 (2020/05/08)
This report discloses the photochemical homolytic cleavage of iodine azide after its formation following release from polymer-bound bisazido iodate(I) anions. A series of radical reactions are reported including the 1,2-functionlization of alkenes and the unprecedented chemoselective oxidation of secondary alcohols in the presence of primary alcohols.
Oxidation of secondary alcohols using solid-supported hypervalent iodine catalysts
Ballaschk, Frederic,Kirsch, Stefan F.
supporting information, p. 5896 - 5903 (2019/11/11)
It is shown how secondary alcohols are oxidized to provide the corresponding ketones by use of Oxone and solid-supported hypervalent iodine catalysts. Under experimentally simple conditions with acetonitrile at elevated temperatures, excellent conversions were achieved with low catalyst loadings (0.2-5 mol%) when employing the conjugates 5 and 6 derived from IBX and IBS. The catalysts are broadly applicable to a range of alcohol substrates. Of primary importance with respect to sustainability issues, the metal-free catalysts are easily removed from the reaction mixture through filtration, and they can be re-used in oxidation processes for multiple times, without loss of catalytic activity.
