1: toluene-4-sulfonic acid; (+/-)-Aspartic acid; benzyl alcohol in benzene Heating; 2: (9H-Fluoren-9-yl)-methyl chloroformate With sodium hydroxide; ethanol; copper(II) sulfate in 1,4-dioxane; water pH=8; Further stages.;
参考文献
Boyer; Stanchev; Fairbanks; Davis
Chemical communications (Cambridge, England), 2001 , # 19 p. 1908 - 1909
potassium hydroxide also (2,S,3S)-methylaspartic acid; Mechanism;
参考文献
Bruce, Michael J.; Butler, Anthony R.; Russell, Kate V.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1994 , # 2 p. 319 - 322