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- W2784130003 abstract "[1798847-71-8], [1873295-14-7], [1873295-15-8] C42H50N4Ni2 (MW 728.28)InChI = 1S/C36H44N4.C6H6.2Ni/c1-21(2)28-13-11-14-29(22(3)4)34(28)37-25(9)32-19-17-27-18-20-33(40-36(27)39-32)26(10)38-35-30(23(5)6)15-12-16-31(35)24(7)8;1-2-4-6-5-3-1;;/h11-24H,1-10H3;1-6H;;/q-2;;;+2/b32-25-,38-26+;;;InChIKey = SKPGHBKGUPELJC-PARUBIRUSA-N(dinickel catalyst for hydrosilylation;2 alkyne cyclotrimerization;3 and reductive cyclopropanation reactions4)Alternate Name: [i-PrNDI]Ni2(C6H6)Physical Data: brown crystalline solid.5Solubility: soluble in C6H6, toluene, ether, and THF; partially soluble in pentane.5Analysis of Reagent Purity: the title compound is diamagnetic, and its purity can be assessed using NMR spectroscopy. 1H NMR (300 MHz, C6D6): δ 7.25–7.03 (m, 6H), 6.58 (d, J = 8.1 Hz, 2H), 5.91 (d, J = 8.1 Hz, 2H), 4.54 (s, 6H), 2.93 (sept, J = 6.8 Hz, 4H), 1.75 (s, 6H), 1.17 (d, J = 6.9 Hz, 12H), 0.93 (d, J = 6.8 Hz, 12H).5Preparative Method: under an atmosphere of N2, the naphthyridine–diimine ligand (1,1(-(1,8-naphthyridine-2,7-diyl)bis(N-(2,6-diisopropylphenyl)ethan-1-imine), 1.0 equiv), (i-PrNDI), and Ni(COD)2(2.0 equiv) were stirred in C6H6 at room temperature. After 24 h, the reaction mixture was concentrated to dryness under reduced pressure.5Purification: the crude solid was redissolved in C6H6, filtered through a glass fiber pad, and concentrated to dryness. Any COD or excess Ni(COD)2 remaining were removed by triturating with small portions of pentane. Crystalline material was obtained by slow evaporation of a saturated solution of the [i-PrNDI]Ni2(C6H6) complex in pentane.5Handling, Storage, and Precautions: the title compound is highly reactive toward O2 and should only be handled under inert atmospheric conditions in a glove box. When stored under N2, the compound is indefinitely stable at room temperature as a solid." @default.
- W2784130003 created "2018-01-26" @default.
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- W2784130003 date "2017-04-11" @default.
- W2784130003 modified "2023-09-24" @default.
- W2784130003 title "Dinickel, 1,1(-(1,8-Naphthyridine-2,7-diyl)bis[N-(2,6-diisopropylphenyl)ethan-1-imine](benzene)" @default.
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- W2784130003 doi "https://doi.org/10.1002/047084289x.rn02058" @default.
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