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Direct syn addition of two silicon atoms to a C≡C triple bond by Si-Si activation: access to reactive disilytated olefins

Abstract : A catalytic intramolecular silapalladation of alkynes affords, in good yields and stereoselectively, syn‐disilylated heterocycles of different chemical structure and size. When applied to silylethers, this reaction leads to vinylic silanols that undergo a rhodium‐catalyzed addition to activated olefins, providing the oxa‐Heck or oxa‐Michael products, depending on the reaction conditions.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-01844357
Contributor : Jocelyne Levillain <>
Submitted on : Thursday, July 19, 2018 - 11:54:45 AM
Last modification on : Tuesday, November 3, 2020 - 9:50:05 AM

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M. Ahmad, A. -C. Gaumont, Muriel Durandetti, Jacques Maddaluno. Direct syn addition of two silicon atoms to a C≡C triple bond by Si-Si activation: access to reactive disilytated olefins. Angewandte Chemie International Edition, Wiley-VCH Verlag, 2017, 56 (9), pp.2464-2468. ⟨10.1002/anie.201611719⟩. ⟨hal-01844357⟩

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