1-trifluoroacetyl-1,4,5,6-tetrahydropyrazine-2-carboxylic acid tert-butylamide 、 、
硫酸 在
(1Z,5Z)-cycloocta-1,5-diene;rhodium;tetrafluoroborate 氢气 作用下,
以
四氢呋喃 为溶剂,
反应 18.0h,
以3.42 g (>99%) of the title compound were obtained in the form of a white powder的产率得到(S)-1-(Trifluoroacetyl)piperazine-2-carboxylic acid tert-butylamide sulfuric acid salt