Abstract:
Stereoselective synthesis of the first representatives of 1,12-diaza-3,10,14,21-tetraphosphacyclodocosanes was achieved via the Mannich-type condensation of 1,6-bis(phenylphosphino)hexane, formaldehyde and primary amines. Due to covalent self-assembly, individual RPSPSPRP isomer was isolated from a dynamic system containing all possible stereoisomers and a number of by-products.
Citation:
E. I. Musina, T. I. Wittmann, A. S. Shpagina, A. A. Karasik, P. Lӧnnecke, E. Hey-Hawkins, “Stereoselective synthesis of the RPSPSPRP isomer of 22-membered P4N2 macrocycles”, Mendeleev Commun., 30:6 (2020), 697–699
Linking options:
https://www.mathnet.ru/eng/mendc1295
https://www.mathnet.ru/eng/mendc/v30/i6/p697
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