Facile and Convenient Method of Deuterium Gas Generation Using a Pd/C-Catalyzed H2–D2 Exchange Reaction and Its Application to Synthesis of Deuterium-Labeled Compounds
The Pd/C-catalyzed H(2)-D(2) exchange reaction using a H(2)-D(2)O combination provided a general, efficient and environmentally friendly route for the preparation of deuterium gas (D(2)). H(2) sealed in a reaction flask was converted into nearly pure D(2), which could be used for the Pd/C-catalyzedone-potreductive deuteration of various reducible functionalities and the chemoselective one-pot deuterogenation
A convenient method for palladium-catalyzed reductive deuteration of organic substrates using deuterated hypophosphite in D<sub>2</sub>O
作者:Makoto Oba
DOI:10.1002/jlcr.3277
日期:2015.5.15
A convenient method for the deuteration of organic substrates using deuterated hypophosphite as the deuterium source was investigated. Transfer deuteration of organic substrates, such as aromatic halides, alkenes, alkynes, epoxides, and O-benzyl derivatives, in the presence of palladium on carbon in deuterium oxide proceeded efficiently to give the corresponding deuterated products in excellent yields with high deuterium contents.
Chemical‐Reductant‐Free Electrochemical Deuteration Reaction using Deuterium Oxide
作者:Xu Liu、Ruoyu Liu、Jiaxing Qiu、Xu Cheng、Guigen Li
DOI:10.1002/anie.202005765
日期:2020.8.10
We report a method for the electrochemical deuteration of α,β‐unsaturated carbonyl compounds under catalyst‐ and external‐reductant‐free conditions, with deuteration rates as high as 99 % and yields up to 91 % in 2 h. The use of graphite felt for both the cathode and the anode was key to ensuring chemoselectivity and high deuterium incorporation under neutral conditions without the need for an external