Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Journal of Organic Chemistry called Preparative-Scale Synthesis of Vedejs Chiral DMAP Catalysts, Author is Kinens, Artis; Balkaitis, Simonas; Suna, Edgars, which mentions a compound: 34941-92-9, SMILESS is ClC1=CC(=NC=C1)F, Molecular C5H3ClFN, Name: 4-Chloro-2-fluoropyridine.
A scalable synthesis of chiral Vedejs-type DMAP catalysts is reported. The key step of the synthesis is amination of the enantiomerically pure 4-chloropyridine derivative using well-defined ZnCl2(amine)2 complexes. A series of Zn(II)-amine complexes have been synthesized to explore the scope of the ZnCl2-mediated amination of 4-halopyridines. Mechanistic studies support a Zn(II)-facilitated nucleophilic aromatic substitution as a plausible mechanism for the chlorine-to-amine exchange.
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Reference:
Pyrroline – Wikipedia,
1-Pyrroline | C4H7N – PubChem