Preparation and physical properties of alkylcobalt complexes of the coenzyme B12 model complex RCo[C2(DO)(DOH)pn]X
Preparation and physical properties of alkylcobalt complexes of the coenzyme B12 model complex RCo[C2(DO)(DOH)pn]X
复制标题
辅酶B12模型复合物RCo[C2(DO)(DOH)pn]X烷基钴复合物的制备及物理性质
DOI：
10.1021/ic50217a010
复制
发表时间：
1981
影响因子：
4.6
通讯作者：
P. Christian
中科院分区：
文献类型：
--
作者：
R. Finke;Brad L Smith;William A. McKenna;P. Christian
A detailed and convenient three-step synthesis of Co [C2 (DO)(DOH) p „] l2 (IV) is described beginning with readily available starting materials. The 70-80% reduction of the diiodide IV to 1-g quantities of the crystalline Co (I) Co [C2 (DO)(DOH) p „](CO)(V) is presented as are the 13CO-exchange reaction of V and its alkyl halide oxidative additions as a clean and efficient synthesis of RCo [C2 (DO)(DOH) pn] X complexes. Transformation of the alkyl halide adducts to [RCo [C2 (DO)-(DOH)^](base)]+ PF6" and BF2-bridged derivatives is also described. Some of the key physical properties of the alkyl-cobalt complexes are also presented including their extent of axial halide dissociation, the pyridine binding constant of the methyl derivative, the photochemical cleavage of the alkyl-cobalt bond in the presence of HMn (CO) 5, and the properties of the oxime O—H—O bridge.
