| 372989-04-3

• CAS: 372989-04-3
• 化学式: C₃₁H₅₂OsP₂
• 分子量: 676.901
• InChiKey: FRADFIFSJXVMRH-UHFFFAOYSA-N

反应信息

• 作为反应物：
  描述：

  hexafluorophosphoric acid 、 以 乙醚 、 水 为溶剂， 以78%的产率得到
  参考文献：
  名称：

  Formation of Cationic Half-Sandwich Osmium−Vinylidene Complexes from [Os(η⁵-C₅H₅)(PⁱPr₃)₂]⁺ and Terminal Alkynes

  摘要：

  Ab initio calculations on the model complexes [Os(eta (5)-C5H5)(eta (2)-HC drop CH)(PH3)(2)](+) (1), [OsH(eta (5)-C5H5)-(C drop CH)(PH3)(2)](+) (2), and [Os(eta (5)-C5H5)(=C=CH2)(PH3)(2)](+) (3) indicate that the thermodynamic stability of these compounds decreases according to the sequence 3 > 1 > 2. According to this, the vinylidene complexes [Os(eta (C5H5)-C-5)(=C=CHR)((PPr3)-Pr-i)(2)]PF6 (R = Cy (8), Ph (9)) are prepared by deprotonation of [OsH(eta (5)-C5H5)(C drop CR)-((PPr3)-Pr-i)(2)]PF6 (R = Cy (4), Ph (5)) with KOH in methanol and subsequent protonation of the resulting alkynyl derivatives Os(eta (5) -C5H5)(C drop CR)((PPr3)-Pr-i)(2) (R = Cy (6), Ph (7)). The X-ray structure of [Os(eta (5)-C5H5)(=C=CHPh)-((PPr3)-Pr-i)(2)]PF6 (9) is also reported.

  DOI：

  10.1021/om0104565
• 作为产物：
  描述：

  在 KOH 作用下， 以 甲醇 为溶剂， 以75%的产率得到
  参考文献：
  名称：

  Formation of Cationic Half-Sandwich Osmium−Vinylidene Complexes from [Os(η⁵-C₅H₅)(PⁱPr₃)₂]⁺ and Terminal Alkynes

  摘要：

  Ab initio calculations on the model complexes [Os(eta (5)-C5H5)(eta (2)-HC drop CH)(PH3)(2)](+) (1), [OsH(eta (5)-C5H5)-(C drop CH)(PH3)(2)](+) (2), and [Os(eta (5)-C5H5)(=C=CH2)(PH3)(2)](+) (3) indicate that the thermodynamic stability of these compounds decreases according to the sequence 3 > 1 > 2. According to this, the vinylidene complexes [Os(eta (C5H5)-C-5)(=C=CHR)((PPr3)-Pr-i)(2)]PF6 (R = Cy (8), Ph (9)) are prepared by deprotonation of [OsH(eta (5)-C5H5)(C drop CR)-((PPr3)-Pr-i)(2)]PF6 (R = Cy (4), Ph (5)) with KOH in methanol and subsequent protonation of the resulting alkynyl derivatives Os(eta (5) -C5H5)(C drop CR)((PPr3)-Pr-i)(2) (R = Cy (6), Ph (7)). The X-ray structure of [Os(eta (5)-C5H5)(=C=CHPh)-((PPr3)-Pr-i)(2)]PF6 (9) is also reported.

  DOI：

  10.1021/om0104565