A New Tropane Alkaloid From Pellacalyx axillaris

A New Tropane Alkaloid From Pellacalyx axillaris DETERMINATION OF THE ABSOLUTE CONFIGURATION OF NEW PIPERIDIN-4-ONE DERIVATIVE FROM Pellacalyx saccardianus BY NOESY SPECTROSCOPY Monomeric, Dimeric, and Trimeric Tropane Alkaloids from Pellacalyx saccardianus (±)-dioncophyllacine A, A naphthylisoquinoline alkaloid with A 4-methoxy substituent from the leaves of Triphyophyllum peltatum Pyrrolizidine alkaloids from seeds of Crotalaria scassellatii Structures of axillarine and axillaridine, novel pyrrolizidine alkaloids from Crotalaria axillaris Ait Cissampentin: A new bisbenzylisoquinoline alkaloid from Cissampelos fasciculata New tropane alkaloids, (+)-(3R,6R)-3α-Acetoxy-6β-hydroxytropane and (+)-2α-Benzoyloxy-3β-hydroxynortropane, from Peripentadenia mearsii (Euphorbiaceae) Alkaloids of Erythroxylum hypericifolium leaves Three New Alkaloids, Paxiphyllines C – E, from Daphniphyllum paxianum