1,2-methylenedioxy-9-methoxy-N-methoxycarbonyl-aporphine and 1,2-methylenedioxy -8,9-dimethoxy-N-methoxycarbonyl-aporphine, two new alkaloids possessing a N-(methoxy carbonyl) group have been isolated from the stems o...1,2-methylenedioxy-9-methoxy-N-methoxycarbonyl-aporphine and 1,2-methylenedioxy -8,9-dimethoxy-N-methoxycarbonyl-aporphine, two new alkaloids possessing a N-(methoxy carbonyl) group have been isolated from the stems of Fssistigma bracteolatum. Their structures were established on the basis of spectral analysis.展开更多
文摘1,2-methylenedioxy-9-methoxy-N-methoxycarbonyl-aporphine and 1,2-methylenedioxy -8,9-dimethoxy-N-methoxycarbonyl-aporphine, two new alkaloids possessing a N-(methoxy carbonyl) group have been isolated from the stems of Fssistigma bracteolatum. Their structures were established on the basis of spectral analysis.