Ruthenium Hydrides Containing the Superhindered Polydentate Polyphosphine Ligand P(CH2CH2PtBu2)3
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https://figshare.com/articles/dataset/Ruthenium_Hydrides_Containing_the_Superhindered_Polydentate_Polyphosphine_Ligand_P_CH_sub_2_sub_CH_sub_2_sub_P_sup_i_t_i_sup_Bu_sub_2_sub_sub_3_sub_/2230564
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The complex RuH2(N2)(P2P3tBu) (1) containing the extremely bulky PP3-type ligand P2P3tBu = P(CH2CH2PtBu2)3 was synthesized by reduction of RuCl2(P2P3tBu) (2) with Na/NH3 under a N2 atmosphere. Like other complexes containing the P2P3tBu ligand, only three of the four donor phosphines are coordinated, and one of the phosphines remains as a dangling pendant phosphine. Reduction of RuCl2(P2P3tBu) (2) with a range of the more usual hydride reducing agents afforded the previously unknown ruthenium hydride complexes RuHCl(P2P3tBu) (3), RuH(BH4)(P2P3tBu) (6), RuH(AlH4)(P2P3tBu) (7), and the ruthenium(II) trihydride K[Ru(H)3(P2P3tBu)] (8). The ruthenium tetrahydride containing a coordinated H2 ligand RuH2(H2)(P2P3tBu) (10) was synthesized by exchange of N2 in 1 by H2. Complexes 1, 3, 6, 7, and 8 were characterized by crystallography and multinuclear NMR spectroscopy.
创建时间：
2016-02-16
