S,S'-diphenylphosphorodithioate 、
(9,10-dioxoanthracen-2-yl)methyl (2S)-3-hydroxy-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoate 在
2,4,6-三异丙基苯磺酰氯 作用下,
以
吡啶 为溶剂,
反应 2.0h,
以78%的产率得到(S)-3-(Bis-phenylsulfanyl-phosphoryloxy)-2-tert-butoxycarbonylamino-propionic acid 9,10-dioxo-9,10-dihydro-anthracen-2-ylmethyl ester