Preparation and reactions of half-sandwich rhenium nitrosyl complexes containing a tethered amino ligand

Article abstract of DOI:10.1016/0022-328X(96)06414-5

The aminorhenium nitrosyl complex [η⁵:η¹-C₅H₄CH₂CH₂N(CH₃)₂Re(NO)(CO)] ⁺ BF^-₄ (5a), in which the ligating amino group was connected to the cyclopentadienyl ring, was prepared by reacting the η⁵-C₅H₄CH₂CH₂N(CH₃)₂Re(NO)(CO)Br (4) with AgBF₄. Reaction of 5a with alkylmetal reagents provided the acyl complex η⁵:η¹-C₅H₄CH₂CH₂N(CH₃)₂Re(NO)COR (8) (R = n-butyl, methyl, ethyt, isopropyl, benzyl). Solid state structures of 5b (X^-= BPh^-₄) and the acetyl complex 8b were characterized by single-crystal X-ray analyses.