Abstract Methyl phenylethynyl and phenyl phenylethynyl sulfides are selectively converted into methyl phenylethynyl and phenyl phenylethynyl sulfones, respectively, under the action of system tert-butyl hydroperoxide-aluminum tri-tert-butoxide in benzene at 20° C. The
![Benzene,[(2-phenylethynyl)sulfonyl]- Structure](https://image.chemsrc.com/caspic/359/5324-64-1.png)
