Transition-Metal-Free Highly Efficient Aerobic Oxidation of Sulfides to Sulfoxides under Mild Conditions
Abstract
:1. Introduction
2. Results and Discussion
Entry | NaNO2 (mol %)b | Br2 (mol %) b | Conversion (%) c |
---|---|---|---|
1 | 0 | 3 | 21 |
2 | 5 | 0 | 10 |
3 | 5 | 3 | 100 |
2.1. Aerobic oxidation of sulfides to sulfoxides
Entry | Substrate | Product | Time (h) | Br2 (mol %) | Conversion (%)b | Yield (%)c | |
---|---|---|---|---|---|---|---|
1 | 1 | 3 | 100 | 96 | |||
2 | 1 | 3 | 100 | 92 | |||
3 | 1 | 3 | 100 | 95 | |||
4 | 1 | 3 | 100 | 94 | |||
5 | 1 | 3 | 100 | 95 | |||
6 | 1 | 3 | 100 | 94 | |||
7 | 1 | 3 | 100 | 93 | |||
8 | 2 | 3 | 100 | 92 | |||
9 | 5 | 5 | 100 | 96 | |||
10 | 5 | 5 | 25 | 21d | |||
11 | 1 | 3 | 100 | 92 |
2.2. Mechanism of aerobic sulfide oxidation
3. Experimental
3.1. Materials
3.2. Instrumentation
3.3. General procedure for catalytic aerobic sulfides oxidation
3.4. Spectroscopic data for products
4. Conclusions
Acknowledgements
- Sample Availability: Samples of the compounds are available from the authors.
References and Notes
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Zhang, H.; Chen, C.; Liu, R.; Xu, Q.; Zhao, W. Transition-Metal-Free Highly Efficient Aerobic Oxidation of Sulfides to Sulfoxides under Mild Conditions. Molecules 2010, 15, 83-92. https://doi.org/10.3390/molecules15010083
Zhang H, Chen C, Liu R, Xu Q, Zhao W. Transition-Metal-Free Highly Efficient Aerobic Oxidation of Sulfides to Sulfoxides under Mild Conditions. Molecules. 2010; 15(1):83-92. https://doi.org/10.3390/molecules15010083
Chicago/Turabian StyleZhang, Hua, Chunyu Chen, Renhua Liu, Qiang Xu, and Weiqie Zhao. 2010. "Transition-Metal-Free Highly Efficient Aerobic Oxidation of Sulfides to Sulfoxides under Mild Conditions" Molecules 15, no. 1: 83-92. https://doi.org/10.3390/molecules15010083
APA StyleZhang, H., Chen, C., Liu, R., Xu, Q., & Zhao, W. (2010). Transition-Metal-Free Highly Efficient Aerobic Oxidation of Sulfides to Sulfoxides under Mild Conditions. Molecules, 15(1), 83-92. https://doi.org/10.3390/molecules15010083