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A pharmaceutical intermediate pyrrolizinone ketone the synthetic method of the compound of (by machine translation)
The invention relates to a can be represented by following formula (III) useful as pharmaceutical intermediates in the synthesis of pyrrole ketone compound, the method comprising: under a nitrogen atmosphere, in an organic solvent, the catalyst, organic ligand, oxidizing agent, auxiliary and presence of alkali, the following formula (I) compounds and the following formula (II) compound generating reaction, after-treatment after reaction, so as to obtain the compound of said formula (III), Wherein R is H, C 1-C 6 alkyl, C 1-C 6 alkoxy, halogen or nitro. The stated method, through through the use of catalyst, ligand, oxidizing agent, alkali and integrated reaction system of the solvent, the objective product can be obtained with high yield, in the organic synthesis in particular the technical field of pharmaceutical intermediates synthesized with good application prospect and industrialized production potential. (by machine translation)
Note that a catalyst decreases the activation energy for both the forward and the reverse reactions and hence accelerates both the forward and the reverse reactions.Recommanded Product: Pd2(DBA)3, you can also check out more blogs about52409-22-0
Reference£º
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method