supports a single electron transfer pathway. Cationic complexes [2,6-(iPr2PO)2C6H3]Fe(CO)(PMe3)(CH3CN)}+[BF4]− (2+-BF4, trans CO/CH3CN) and cis-[2,6-(iPr2PO)2C6H3]Fe(CO)2(CH3CN)}+[BF4]− (3+-BF4) are prepared from protonation of 2-H (or 2′-H) and 3-H with HBF4·Et2O, respectively. Both compounds react with H2 with the aid of iPr2NEt to yield neutral hydride complexes and [iPr2N(H)Et]+[BF4]−. In addition,
铁PO
COP-氢化
铁配合物顺-[2,6-(i Pr 2 PO)2 C 6 H 3 ] Fe(H)(PMe 3)2(1-H),[2,6-(i Pr 2 PO)2 C ^ 6 ħ 3 ]的Fe(H)(PME 3)(CO)(2-H ,反式H / CO; 2 ' -H,顺式H / CO),和顺- [2,6-(i Pr 2 PO)2 C 6小时CD 3 CN / THF- d 8中具有HBF 4 ·Et 2 O的3 ] Fe(H)(CO)2(3-H)导致H 2迅速释放。除1-H反应导致夹子结构分解外,所有其他
氢化物均干净地转化为
乙腈捕获的阳离子络合物。这些
氢化物与更弱的酸CF的质子3 CO 2 H和HCO 2 ħ建立的碱度顺序1-H > 2-H > 2 ' -H > 3-H ,与带有最少碱性
氢化物配体的3-H。另一种通过[Ph 3 C] + [BF 4 ] -提取
氢化物的方法会产生复杂的产物;2-H的反应产生两个钳子产物[HPMe