Scheme 11

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Representative aminolysis reactions of 3-coordinate [Fe(NHC){N(SiMe3)2}Cl] complexes. Reagents and conditions: (i) 1 equiv. DiPPNH2 in octane, reflux for 5 min; (ii) 1 equiv. DiPPNH2 in toluene, room temp., 5 h; (iii) 1 or 2 equiv. DiPPNHLi in ether, −78°C to room temp., 5 h or 2 equiv. DiPPNH2 in ether, room temp., 12 h; (iv) 1 equiv. mesNH2 in toluene; (v) N,N’-di-cyclohexyl-acetamidine, toluene 100°C, 1 h; (vi) 1 equiv. Ph3SiOH in toluene, room temp.; (vii) 2 equiv. Ph3SiOTl in toluene, room temp., 24 h; (viii) 2 equiv. Ph3SiOH in toluene 100°C, 1 h.