A procedure for labeling of alpha-allocryptopine with 125I is reported in this article. Alpha-allocryptopine is first iodinated with largely excessive iodine monochloride, and then radiolabeled by isotopic exchange with Na125I in a dichloromethane-water two-phase system. The radiochemical purity and
Macleaya cordata (Willd) R. Br. is a medicinal plant. The most important bioactive compounds of M. cordata are alkaloids that have many biological activities including anti-fungal, anti-inflammatory, and anti-tumor. In this study, an ionic-liquid-modified high speed counter-current chromatography
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