| Autor: |
Minato, Makoto, Watanabe, Kyosuke, Maeda, Kengo |
| Zdroj: |
Chemistry Letters; December 2019, Vol. 48 Issue: 12 p1526-1528, 3p |
| Abstrakt: |
Reactions of molybdenum-silyl hydrido complex 2([MoH3{Si(Ph)[Ph2PCH2CH2P(Ph)C6H4-o]2}]) with 1.5 equiv of 1-alkynes RC≡CH occur readily at room temperature giving σ-acetylide complexes ([MoH2{Si(Ph)[Ph2PCH2CH2P(Ph)C6H4-o]2}(C≡CR)]: R = Ph (3a), t-Bu (3b)), in which the acetylide ligands ligate at the site opposite to the Si atom.Reactions of molybdenum-silyl hydrido complex 2([MoH3{Si(Ph)[Ph2PCH2CH2P(Ph)C6H4-o]2}]) with 2 equiv of 1-alkynes RC≡CH occur readily at room temperature giving σ-acetylide complexes ([MoH2{Si(Ph)[Ph2PCH2CH2P(Ph)C6H4-o]2}(C≡CR)]: R = Ph (3a), t-Bu (3b)), in which the acetylide ligands ligate at the site opposite to the Si atom. This high reactivity of 2can be attributed to advantageous properties of the ancillary P2SiP2ligand, including strong trans influence of the Si moiety. |
| Databáze: |
Supplemental Index |
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