2025年2月1日 · The use of different reactant models provides a comprehensive overview of the mechanisms, the Chalk-Harrod (CH) mechanism and the modified Chalk-Harrod (mCH) mechanism. Using larger molecular models for quantum calculations, the reactant models employed are closer to the actual reactants and have potential industrial application value.

3 天之前 · Subsequently, the generated metal-hydride specie undergoes cis-migratory alkyne insertion either between the Pt-H bond (classical Chalk-Harrod mechanism, Scheme 5 − blue) or the Pt-Si bond (modified Chalk-Harrod mechanism, Scheme 5 − orange). Following this, reductive elimination of the resulting alkenyl-metal compound occurs, yielding the ...

2025年1月27日 · We suggest that the reaction proceeds under Chalk-Harrod control [14a],[17] with Pt 0 (XPhos) 2 (I) being produced, which in turn produces the coordinatively unsaturated platinum species (II).

2025年2月5日 · （一） 鉑催化的硅氫加成反應機理 目前被廣泛接受的鉑催化硅氫加成反應機理是 Chalk - Harrod機理和Modified Chalk - Harrod機理。 在Chalk - Harrod機理中，鉑催化劑 首先 與

2025年2月1日 · The reaction route over this catalyst is supposed to follow the typical Chalk—Harrod mechanism.

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