8-Oxocoptisine 1,a natural protoberberine alkaloid,can be more easily achieved starting from readily available and inexpensive berberine hydrochlorate 2.The structure of the target compound 1 was confirmed by melting ...8-Oxocoptisine 1,a natural protoberberine alkaloid,can be more easily achieved starting from readily available and inexpensive berberine hydrochlorate 2.The structure of the target compound 1 was confirmed by melting point,1H NMR,IR,MS and elemental analysis.展开更多
文摘8-Oxocoptisine 1,a natural protoberberine alkaloid,can be more easily achieved starting from readily available and inexpensive berberine hydrochlorate 2.The structure of the target compound 1 was confirmed by melting point,1H NMR,IR,MS and elemental analysis.
