Linking metal centres with 1,4-bis(diphenylphosphino)but-2-yne (DPPBu): syntheses and molecular structures of [{Mo(CO)4(μ-DPPBu)}2] and [{Mo(CO)4(ν2-DPPBu)}3{Mo(CO)}]
作者:Graeme Hogarth、Jim Yau Pang
DOI:10.1016/0022-328x(95)06050-7
日期:1996.5
Addition of cis-[Mo(CO)4(piperidine)] to 1,4-bis(diphenylphosphino)but-2-yne (DPPBu) affords [Mo(CO)4(ν-DPPBU)}2] (1) and [Mo(CO)4(ν2-DPPBu)}3Mo(CO)}](2), both of which have been characterised crystal lographically. Three different bonding modes of the diphosphine are seen in the two complexes. In 1 it bridges molybdenum tetracarbonyl centres via coordination through phosphorus to give a 14-membered