Chemistry is traditionally divided into organic and inorganic chemistry. category: catalyst-palladium, 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
The palladium-catalyzed branch- and enantioselective allylic amination of vinyl benzoxazinones was accomplished through controlling the hydrogen bond direction. This protocol provides a rapid and efficient route for synthesizing an important building block, chiral amino alkene, from widely available aliphatic amines in 64 ? 99% yields with up to 99% ee. Furthermore, this transformation and the accompanying products were utilized to develop one-pot reactions through dual catalysis, affording chiral indolines with good synthetic efficiency and excellent enantiocontrol.
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Reference：
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method