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dppe配体按文献所示方法自行合成。在10ml甲醇中先后溶入0.05g(0.29mmol)AgNO_3和0.23g(0.58mmol)dppe。将过滤后的清液半敞开静置14天,即析出棱形无色晶体,再以甲醇重结晶。晶体由于溶剂化而极易风化成白色粉末。
dppe ligand synthesized by the method shown in the literature. 0.05 g (0.29 mmol) AgNO 3 and 0.23 g (0.58 mmol) dppe were successively dissolved in 10 ml methanol. The filtered supernatant was left open for half a day for 14 days, that is, a precipitate of prismatic colorless crystals was recrystallized from methanol. Crystals can easily weather to white powder due to solvation.