(38). The bis(trifluoroacetato) derivatives 14, 15, and 17 react in acetone with water to afford the diaryl(carbonyl)osmium(II) complexes [(η6-mes)OsR2(CO)] (39−41). On the basis of a labeling experiment, a mechanism for this unusual C−C cleavage reaction is proposed. The reaction of the dichloro compounds 28 and 29 with PPh3 in the presence of AgPF6 gives the cationic carbene complexes [(η6-mes)OsCl(PPh3)(CR2)]PF6
虽然双核化合物[(η 6 -Mes)操作系统κ 1 -OC(O)CF 3 }(μ-Cl)的] 2(2)和[(η 6 -Mes)操作系统κ 1 -
OS(O)2 CF 3 }(μ-Cl)的] 2(3),由[(η制备6 -Mes)
OSCL(η 3 -C 3 H ^ 5)](1)和CF 3 CO 2 H或CF 3 SO 3 ħ通过排除
丙烯,可用于
锇卡宾合成不适合的前体,双(trifluoroacetato)衍
生物[(η 6-arene)操作系统κ 1 -OC(O)CF 3 }(κ 2 -O 2 CCF 3)](4,9,10)是有用的起始原料。它们反应以diaryldiazomethanes - [R 2 CN 2,得到半夹心型配合物[(η 6 -arene)操作系统κ 1 -OC(O)CF 3 } 2(CR 2)](11 - 17)的好优异的产量。双(t
OSylato)
锇(II)的化合物[(η