Abstract
An improved method for the synthesis of symmetrical diselenides is described. Reductive selenation of aromatic aldehydes with Se/CO/H2O/Et3N system in THF gave the corresponding aromatic diselenides in good yields.
Acknowledgments
We acknowledge the financial support from China Postdoctoral Science Foundation (No. 20070410876).
Notes
a All experimental reaction.
b Yield is only 32% in toluene.