= 2: L = dppm or dppe, n = 1). This demonstrates that a variety of molybdenum(II) carbonyl complexes can be obtained readily from [Mo(CO)6] through the chelate assistance of the nitrogen bidentate ligand, H2CPz′2, where dppm is bis(diphenylphosphino)methane and dppe is 1,2-bis(diphenylphosphino)ethane. The structure of [Mo(dppm)2(CO)2Br2] has been determined by X-ray crystallography supporting the
双(
3,5-二甲基吡唑1-Y)(
甲烷ħ 2 'CPZ 2的空气稳定的化合物,[沫(H)2 CPZ' 2) - (CO)2
溴2 ]和[沫(H 2 CPZ' 2)(CO)2(η 3 -烯丙基)BR],很容易在反应过程中除去与
磷施主,其锥角小于或等于125°,得到分别[摩尔ñ(CO )2的Br 2](L = PME 3或P(OME)3,ñ = 3:L =
DPPM或
DPPE,ñ = 2)和[摩尔ñ(CO)2(η 3-ally)BR](L = PME 3或P(OME)3,3,Ñ = 2:L =
DPPM或
DPPE,Ñ = 1)。这表明各种
钼(II)羰基配合物的可容易地从[沫(CO)获得的6 ]通过氮二齿配位体,H的螯合物援助2 CPZ' 2,其中
DPPM是双(
二苯基膦基)
甲烷和
DPPE是1,2-双(
二苯基膦基)
乙烷。X射线晶体学确定了[Mo(
DPPM href=https://www.molaid.com/MS_78305 target="_blank">PM)2(CO)2 Br 2 ]的结构,从而得出以下结论:[Mo(
DPPM href=https://www.molaid.com/MS_78305 target="_blank">PM)2(CO)2