Pd(II)-catalyzed dehydrogenative olefination of terminal arylalkynes with allylic ethers: general and selective access to linear (Z)-1,3-enynes.

This work demonstrates a green and efficient method to prepare 1,3-enynes via Pd(II)-catalyzed direct dehydrogenative olefination of terminal arylalkynes with unactived allylic ethers. Various terminal arylalkynes can participate in the reaction, stereoselectively affording the desired conjugated (Z)-1,3-enynes in moderate to good yields.

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