Experimental protocol demonstrates stereoselective alkynylation of allylic carbonates with terminal alkynes, highlighting a robust catalytic route to 1,4-enynes.
A mild and efficient palladium‐catalyzed alkynylation of 3‐aryl, 3,3‐diaryl, and aliphatic allylic carbonates with terminal alkynes has been developed, providing straightforward access to 1,4‐enynes. The methodology exhibits broad substrate scope, accommodating aryl, heteroaryl, and structurally diverse aliphatic terminal alkynes. Notably, the protocol enables the stereoselective construction of diarylalkenyl propargylic frameworks from unsymmetrically substituted 3,3‐diaryl allylic carbonates.
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Gazzilli et al. (2026) studied this question.
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