Gamma-Aminobutyric Acid → 4-(p-Nitrobenzyloxycarbonyl)aminobutyric acid

참여 물질

반응 단계

A 3.10 g portion of 4-aminobutyric acid was dissolved in 15 ml of 2N sodium hydroxide, to the solution were simultaneously added dropwise 6.48 g of p-nitrobenzyloxycarbonyl chloride dissolved in ether and 7.5 ml of 4N sodium hydroxide while cooling on an ice-bath. After 2 hours of stirring at the same temperature, the solution was washed with ether, the resulting aqueous layer was adjusted to acidic with concentrated hydrochloric acid, and a precipitated. solid material was collected by filtration, washed with water and then dried to yield 7.64 g of 4-(p-nitrobenzyloxycarbonyl)aminobutyric acid.

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