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Synthesis of ω-Aminoalkylcarboxamidoalkyl- and ω-Aminoalkylcarboxamido-p-benzyl-Substituted Phosphonic Acid Diethyl Estersa
a Reagents and conditions: (a) dry THF, N-methylmorpholine, ClCO2CH2CH(CH3)2, –25 °C to room temp, 3 h; (b) 4 N HCl in dry dioxane, room temp, 2h.
