A new aporphine alkaloid in leaves of Nelumbo nucifera
2010
Objective To study the chemical constituents in the leaves of Nelumbo nucifera. MethodsCompounds were repeatedly purified by chromatography and structures were elucidated by physicochemical properties and spectroscopic analyses. Results Nine alkaloids were isolated and identified as 2-hydroxy-1-methoxy-6-methyl-6a,7-dehydroaporphine (1),armepavine (2),dehydroroemerine (3),dehydronuciferine (4),2-hydroxy-1-methoxyaporphine (5),liriodenine (6),pronuciferine (7),roemerine (8),and nuciferine (9). Conclusion compound 1 is a new aporphine alkaloid named nelumnucine.
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