Pentamethylcyclopentadienylgallium (Cp*Ga): Alternative Synthesis and Application as a Terminal and Bridging Ligand in the Chemistry of Chromium, Iron, Cobalt, and Nickel
作者:Peter Jutzi、Beate Neumann、Guido Reumann、Hans-Georg Stammler
DOI:10.1021/om970913a
日期:1998.3.1
(Me5C5Ga, Cp*Ga, 1) via reductive dehalogenation of (pentamethylcyclopentadienyl)diiodogallane (Cp*GaI2, 2) is reported. In addition, the behavior of compound 1 as a ligand in transition metal chemistry is examined. In the reaction of 1 with Cr(CO)5(C8H14) (C8H14 = cis-cyclooctene), Fe2(CO)9, Fe(CO)3CHT (CHT = cycloheptatriene), Co2(CO)8, and Ni(CO)4 the new complexes Cr(Cp*Ga)(CO)5 (3), Fe(Cp*Ga)(CO)4
一种替代的合成路线,以η 5 -pentamethylcyclopentadienylgallium(ME 5 Ç 5镓中,Cp *镓,1经由(五甲基环戊二烯)diiodogallane的还原性脱卤化(CP * GAI)2,2)被报告。另外,研究了化合物1在过渡金属化学中作为配体的行为。在1与Cr(CO)5(C 8 H 14)(C 8 H 14 =顺式环辛烯),Fe 2(CO)9,Fe(CO)3 CHT(CHT =环庚三烯),Co2(CO)8和Ni(CO)4为新的络合物Cr(Cp * Ga)(CO)5(3),Fe(Cp * Ga)(CO)4(4),Fe 2(μ-Cp* Ga)3(CO)6(5),Co 2(μ-Cp* Ga)2(CO)6(6)和Ni 4(μ-Cp* Ga)4(CO)6(8),获得了。通过分析和光谱方法对它们进行了表征;X射线衍射分析确定了固态结构。在反应1中Ni(Cp * G