Pd-Catalyzed Vinylic C–H Funtionalization for the Synthesis of 1, 4-Disilylated 1, 3-Dienes
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X Qiu, D Yi, X Zuo, Q Zhu, Y Zhang
Organic Letters, 2026
ACS Publications
A palladium-catalyzed C− H silylation reaction of alkenyl triflates has been developed, employing a norbornene analogue as a relay for C− H activation. The reaction forms C (vinyl), C (alkyl)-palladacycles as the key intermediates via norbornene analogue-relayed C− H activation. These palladacycles subsequently react with a disilane to form disilylated intermediates, which undergo a retro-Diels− Alder reaction to deliver the final products. This method offers an efficient route to Z, Z-1, 4-disilylated 1, 3-dienes.
