Abstract magnified image A metal free highly efficient and concise oxidative‐coupling ether formation between 1,3‐diarylallylic sp 3 C‐H and aliphatic alcohols promoted by 2,3‐dichloro‐5,6‐dicyanoquinone (DDQ) is reported. This system is also applied to form CS bonds from 1,3‐diarylpropylene and thiols/thiophenols. The corresponding diarylallyl ethers/thioethers are obtained in good yields.
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Li et al. (2009) studied this question.