Reaction of Cr(NO)((NPr2)-Pr-i)(3) with PhCO2H leads to Cr(NO)((NPr2)-
Pr-i)(O2CPh)(2) (1). The benzoate ligands of 1 may be replaced to form
the diamagnetic, structurally-characterized organometallic complexes
CpCr(NO)-((NPr2)-Pr-i)(OC(O)Ph) (2), CpCr(NO)((NPr2)-Pr-i)(CH2SiMe3) (
3),and Cr(NO)((NPr2)-Pr-i)(CH2SiMe3)(2) (4).