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- W1964454967 abstract "On décrit le schéma de synthèse de deux polyazamacrocycles comportant un atome d'azote discriminé par rapport aux autres la:(tri-N-méthyl)-tétraaza-1,4,7,10-cyclododécane et la (tetra-N-méthyl)-pentaaza-1,4,7,10,13-cyclopentadécane ont ainsi été préparées. Le seul atome d'azote secondaire présent dans ces molécules est susceptible de réagir dans des réactions d'alkylation et d'acylation, et de conduire à de nouveaux ligands polyazotés macrocycliques porteurs de fonctionnalités latérales. Plusieurs complexes métallques entre les ligands et des métaux de transition (Cu, Co, Ni, Rh) sont également décrits A synthetic scheme is elaborated to prepare two polyaza-macrocycles in which one nitrogen atom is distinct from the others. Thus, (tri-N-methyl)-1,4,7,10-tetraazacyclododecane and (tetra-N-methyl)-1,4,7,10,13-pentaazacyclopentadecane were synthesised. Through acylation and alkylation reactions, the remaining secondary nitrogen site allows further modifications of the ligand structures and leads to new cyclic polyamines bearing lateral functionalities. Several complexes between the ligands and transition metals (Cu, Co, Ni, Rh) are also described" @default.
- W1964454967 created "2016-06-24" @default.
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- W1964454967 date "1985-01-01" @default.
- W1964454967 modified "2023-10-09" @default.
- W1964454967 title "Synthese de coordinats macrocycliques polyazotes comportant une fonction amine secondaire discriminee" @default.
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- W1964454967 doi "https://doi.org/10.1016/s0040-4020(01)96560-3" @default.
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