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. Author manuscript; available in PMC: 2008 Aug 21.
Published in final edited form as: Organometallics. 2007;26(13):3217–3226. doi: 10.1021/om7003805

Table 4.

Rate constants with variation of R groups on the diketiminate and boranea

Iron hydride reagent BR3 reagent Pseudo first-order rate constant kobs/s−1
LMeFe(μ-H)2FeLMe (1a) BEt3 3.09(2) × 10−3
LMeFe(μ-H)2FeLMe (1a) BPh3 8.91(5) × 10−3
LtBuFe(μ-H)2FeLtBu (1b) BEt3 4.8(2) × 10−3
a

[BR3] = 0.419 M, [LRFe(μ-H)2FeLR] = 26 mM, T = 40 °C.