请教如何自己合成催化剂Pd2dba3？ preparation of the pd2(dba)3·dba catalyst precursor dibenzylidenacetone (2.30 g, 9.8 mmol) and sodium acetate(1.95 g, 23.8 mmol) were dissolved in 75ml of absolute methanol at 50 ?c under argon. palladium chloride(0.53 g, 2.96 mmol) was added to the reaction mixture. the solution was heated at 40 ?c for 4 h to give a purple precipitate. the reaction mixture was cooled to 0 ?c and the precipitate was filtered off, then washed with water (2 × 15 ml) and acetone (3 × 10 ml) to give 1.67 g of pd2(dba)3·dba as a microcrystalline purple compound (97% yield). all data were in accordance with literature. 这是它的合成过程，你好好试一下吧，我过两天原料到了也要做，你要先做分享一下经验呀查看更多
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