Group 6 metal carbonyl complexes of cyclo-(P5Ph5)
Group 6 metal carbonyl complexes of cyclo-(P5Ph5)
复制标题
环-(P5Ph5)第6族金属羰基配合物
DOI:
10.1515/pac-2018-0905
复制
发表时间:
2019
影响因子:
1.8
通讯作者:
E. Hey‐Hawkins
中科院分区:
文献类型:
--
作者:
D. M. Yufanyi;Toni Grell;M. Sárosi;P. Lönnecke;E. Hey‐Hawkins
Abstract Group 6 metal (Cr, Mo, W) carbonyl complexes react with cyclo-(P5Ph5) to afford the phosphorus-rich complexes [Cr(CO)5{cyclo-(P5Ph5)-κP1}] (1), [{Cr(CO)5}2{μ-cyclo-(P5Ph5)-κP1,P3}] (2), [M(CO)4{cyclo-(P5Ph5)-κP1,P3}] (with M=Cr (3), Mo (4), W (exo-5, endo-5)) depending on the reaction conditions. Complexes 1–5 were characterised by 31P{1H} NMR and IR spectroscopy, elemental analysis, and X-ray crystallography. The cyclopentaphosphane remains intact and acts as monodentate (1), bridging (2) or bidentate (3–5) ligand. Compounds exo-5 and endo-5 are configurational isomers and essentially differ in the orientations adopted by the phenyl rings attached to the uncoordinated phosphorus atoms. The 31P{1H} NMR spectra show five multiplets for an ABCDE spin system. Theoretical calculations showed that exo-5 and endo-5 are practically isoenergetic, which is in good agreement with the observed equilibrium in solution between exo-5 and endo-5. The thermal properties of the complexes have also been evaluated.
影响因子:
3.4
作者:
A. Kircali;R. Frank;S. Gómez-Ruiz;B. Kirchner;E. Hey-Hawkins
通讯作者:
E. Hey-Hawkins
影响因子:
3.1
作者:
Astarie-Dequeker,C;Pernollet,MG;LeBreton,G;Devynck,MA
通讯作者:
Devynck,MA