Monaryloxide pyrrolide (MAP) molybdenum imido alkylidene complexes of the type Mo(NAr)(CHCMe2R)(Me2Pyr)(OR′) (Me2Pyr = 2,5dimethylpyrrolide) have been prepared in which NAr is an ortho-substituted phenylimido group (X = Cl (NAr), CF3 (NAr ), i-Pr (NAr), t-Bu (NAr), mesityl (NAr), or TRIP (TRIP = triisopropylphenyl; NAr)) and OR′ = O-2,3,5,6(C6H5)4C6H (OTPP), O-2,6-(2,4,6-Me3C6H2)2C6H3 (OHMT), o...