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- W2000263190 abstract "Diethyl 2-oxo-alkylphosphonates undergo reductive amination in the presence of an amine and sodium cyanohydridoborate (NaBH3CN) in MeOH at Ph 7–7.5. Studies with a large variety of ketophosphonates show that the reaction rate is very sensitive to steric hindrance and is carried out probably via an enaminophosphonate intermediate. Acid hydrolysis of aminoalkylphosphonates gives corresponding phosphonic acids. Les oxo-2- alkylphosphonates de diéthyle en présence d'une amine et d'un hydrure complexe (NaBH3CN) dans MeOH à pH 7–7.5 subsissent une amination réductrice. Etudes avec des β-cétophosphonates très diversifiés montrent que la réaction est très sensible aux facteurs stériques et s'effectue vraisemblablement par l'intermédiaire d'un énaminophosphonate. L'hydrolyse des amino alkylphosphonates donne les acides phosphoniques correspondants." @default.
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- W2000263190 date "1981-01-01" @default.
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- W2000263190 title "Animation reductrice des β-cetophosphonates: preparation d'acides aminoalkylphosphoniques" @default.
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- W2000263190 doi "https://doi.org/10.1016/s0040-4020(01)98903-3" @default.
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