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2849951 
Journal Article 
Syntheses of thiol and selenol esters by oxidative coupling reaction of aldehydes with RYYR (Y = S, Se) under metal-free conditions 
He, C; Qian, X; Sun, P 
2014 
1 
Organic and Biomolecular Chemistry
ISSN: 1477-0520
EISSN: 1477-0539 
12 
32 
6072-6075 
English 
25002223 
Thiol and selenol esters were synthesized by a direct oxidative coupling reaction of aldehydes with disulfides or diselenides in ethyl acetate under metal-free conditions. Among the oxidants examined, tert-butyl peroxide (TBP) was shown to give the best results. For the substrates with both electron-donating and electron-withdrawing substituents, the reaction proceeded smoothly and gave moderate to good yields. Compared with the previous method, the present route is very simple, atom-economical and environmentally friendly.