中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | Dibutyl-ethinyl-phosphin | 15466-86-1 | C10H19P | 170.235 |
The syntheses of two complexes consisting of two Ru3(µ-H)(µ3-C2But)(CO)8 clusters bridged by acetylenic ditertiary phosphines, C2(PR2)2 [R = Ph (3), Bun (4)], are described. The molecular structure of (3) confirms that substitution of the cluster at the ruthenium which is σ bonded to the acetylide has occurred. The structural parameters closely resemble those of Ru3(µ−H)(µ3-C2But)(CO)8(L) [L = CO, PPh2(OEt)].
The preparation of the bis -tertiary phosphine C2(Pbu2)2 ( dpba ) is described. Pyrolysis of the ruthenium carbonyl derivative Ru3(CO)11}2(μ- dbpa ) gives Ru5(μ5-C2PBu2)(μ-PBu2)(CO)13[in 41% overall yield from Ru3(CO)12)] which in turn reacts with Me2S2 to give Ru5(μ5-C2)(μ5-SMe)2(μ-PBu2)2(CO)11(19%).