1: methanol; 1-amino-1,2-carboxyethane With acetyl chloride T=20°C; 18 h; Cooling with ice; 2: With sodium carbonate in water 3: 1-[[(9H-fluoren-9-ylmethoxy)carbonyl]oxy]-2,5-pyrrolidinedione in 1,4-dioxane; water T=5 - 20°C;
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Jamieson, Andrew G.; Boutard, Nicolas; Beauregard, Kim; Bodas, Mandar S.; Ong, Huy; et al.
Journal of the American Chemical Society, 2009 , vol. 131, p. 7917 - 7927