Chemistry is traditionally divided into organic and inorganic chemistry. name: (S)-N,N-Dimethyl-1-ferrocenylethylamine, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent£¬Which mentioned a new discovery about 31886-57-4
A (S)-1 – ferrocene ethyl dimethylamine preparation process (by machine translation)
The invention discloses a (S)- 1 – ferrocene ethyl dimethylamine preparation process. In the preparation process, in order to acetyl ferrocene as raw materials, the use of metal Ir complex with a chiral ferrocenyl tridentate ligands L* The reaction complex as a catalyst, by asymmetric catalytic hydrogenation to obtain (S)- 1 – ferrocenyl ethanol, then acetylation, dimethylamine substituted reaction, to obtain (S)- 1 – ferrocene ethyl dimethylamine. With the traditional chiral separating method preparation (S)- 1 – ferrocene ethyl dimethylamine processes of the prior art, the invention has the advantages embodied in: mild reaction conditions, the operation is simple, stereoselectivity is good, high yield, production cycle is short, the amount “three wastes”, easy industrialization, having great value and social and economic benefits. (by machine translation)
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Reference£º
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis¡ªI. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis