Chemistry is traditionally divided into organic and inorganic chemistry. Application In Synthesis of Tris(dibenzylideneacetone)dipalladium-chloroform, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 52522-40-4
Organocatalytic diboration involving “reductive addition” of a boron-boron-bond to 4,4?-bipyridine
A 4,4?-bipyridine-based catalyst system for diboration of pyrazine derivatives was established. The catalyst cycle consists of the following two steps: (1) reductive addition of the boron-boron bond of bis(pinacolato)diboron to 4,4?-bipyridine to form N,N?-diboryl-4,4?-bipyridinylidene and (2) oxidative boryl transfer from the intermediate to pyrazine to give N,N?-diboryl-1,4-dihydropyrazine with regeneration of 4,4?-bipyridine.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method