Chemistry is traditionally divided into organic and inorganic chemistry. name: Bis(dibenzylideneacetone)palladium, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 32005-36-0
Regiospecific alkyne-formate ester reactions catalyzed by palladium(0)
Metal-catalyzed reactions of unsaturated substrates and formate esters have been the subject of a number of recent publications and patents, the focus being on olefins. We have now found that palladium(0) can catalyze the regiospecific conversion of alkynes and formate esters to trans-alpha, beta-unsaturated esters. Five alkynes and four esters were employed in the reaction experiments. For example: No reaction occurs when phenylacetylene is treated with n-butyl formate and a catalytic amount of bis(dibenzylideneacetone) paladium(0) in toluene at 80 atm carbon monoxide for 3 days at 100C. However, repetition of the reaction with added 1,4-bis(diphenylphosphino)butane results in the isolation of trans-n-butyl cinnamate in 31% yield. A possible mechanism for the alkyne-formate ester reaction is outlined.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method