52522-40-4,Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. Tris(dibenzylideneacetone)dipalladium-chloroform,52522-40-4, This compound has unique chemical properties. The synthetic route is as follows.
52522-40-4, Under inert gas protection,Tri-tert-butylphosphonium tetrafluoroborate (9.3 g, 0.032 mil,4Eq), tris (dibenzylideneacetone) dipalladium () chloroform adduct (8. 3g, 008 mol, leq) and 200 mlDimethyl sulfoxide was added to the reaction flask,And then slowly dropping to them1M sodium methoxide solution in methanol(32L, 0.032, 0e, 4eq),50 ¡ã C for 15 h.Gloves bag filter,The filter cake was washed with dimethyl sulfoxideThe The filter cake was dried in n-hexane.filter,The filtrate was concentrated and crystallized.filter,The filter cake was washed with a small amount of n-hexane and the filter cake was washed with a small amount of n-hexane and dried to give 3. 27 g of a white solid powder in 80percent yield, elemental analysis: C, 56.17;H, 10. 50; P, 12. 07; Pd, 21.26
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Reference£º
Patent; Hebei bailingwei super fine material Co. Ltd.; Wang, Zhen; Liu, YunSheng; Deng, XongFei; (5 pag.)CN105273009; (2016); A;,
Chapter 1 An introduction to palladium catalysis
Palladium/carbon catalyst regeneration and mechanical application method