Facile methoxymethylation of N_2-derived nitride NMo(N[ ~tBu]Ar)_3 provided the imido cation [MeOCH _2NMo(N[~tBu]Ar)_3]~+ as its triflate salt in 88% yield. Treatment of the latter with LiN(SiMe_3) _2 provided blue methoxyketimide complex MeO(H)CNMo(N[ ~tBu]Ar)_3 in 95% yield. Conversion of the latter to the terminal cyanide complex NCMo(N[tBu]Ar)_3, which was the subject of a single-crystal X-ray diffraction study, was accomplished in 51% yield upon treatment with a combination of SnCl_2 and Me _2NSiMe_3.
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