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Coordination chemistry of P-rich phosphines and silylphosphines. Part 27. The reaction of tBu2PP:P(Me)tBu2 with [Fe2(CO)9] and [(h2-C8H14)2Fe(CO)3]

tBu2PP:P(Me)tBu2 reacts with [Fe2(CO)9] to give [m-(1,2,3:4-h-tBu2PPPPtBu2){Fe(CO)3}{Fe(CO)4}] (I) and [trans-(tBu2MeP)2Fe(CO)3] (II). With [(h2-C8H14)2Fe(CO)3] in addn. to [m(1,2,3:4-h-tBu2PPPPtBu2){Fe(CO)2PMetBu2}{Fe(CO)4}] and II also [(m-PtBu2){m-P-Fe(CO)3PMetBu2}{Fe(CO)3}2(Fe-Fe)] (III) is formed. Compd. I crystallizes in the monoclinic space group P21/c with a = 875.0(2), b = 1073.2(2), c = 3162.6(6) pm, b = 94.64(3) Deg. Compd. II crystallizes in the monoclinic space group P21/c with a = 1643.4(7), b = 1240.29(6), c = 2667.0(5) pm, b = 97.42(2) Deg. Compd. III crystallizes in the monoclinic space group P21/n with a = 1407.5(5), b = 1649.7(5), c = 1557.9(16) pm, b = 112.87(2) Deg. [on SciFinder (R)]

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