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Formation of Phosphino-Substituted Isocyanate by Reaction of CO2 with Group 2 Complexes Based on the (Me3Si)(i-Pr2P)NH Ligand

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Figshare2016-02-22 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Formation_of_Phosphino_Substituted_Isocyanate_by_Reaction_of_CO_sub_2_sub_with_Group_2_Complexes_Based_on_the_Me_sub_3_sub_Si_i_i_i_Pr_sub_2_sub_P_NH_Ligand/2560732
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The group 2 complexes [(Me3Si)­(i-Pr2P)­N]2M­(THF)x (M = Mg, x = 1; M = Ca/Sr, x = 2) as well as an unusual dimagnesium complex {[(Me3Si)­(i-Pr2P)­N]3Mg}­Mg­(n-C4H9) have been prepared and characterized by multinuclear NMR spectroscopy and single crystal X-ray diffraction. Each complex was shown to react with CO2 under extremely mild conditions (15 min, 1 atm, room temperature) to give the isocyanate (i-Pr)2P–NCO. The independent syntheses of (i-Pr)2P–NCO and the carbodiimide dimer [(i-Pr)2PNCNP­(i-Pr)2]2 are also reported.
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2016-02-22
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