Broussonetine, a bisquinolyl-γ-butyrolactone from Broussonetia zeylanica

Broussonetine, a bisquinolyl-γ-butyrolactone from Broussonetia zeylanica Structure of a bipyridine alkaloid from Broussonetia zeylanica Studies on the Constituents of Broussonetia Species. I. Two New Pyrrolidine Alkaloids, Broussonetines C and D, as .BETA.-Galactosidase and .BETA.-Mannosidase Inhibitors from Broussonetia kazinoki SIEB. Studies on the Constituents of Broussonetia Species. I. Two New Pyrrolidine Alkaloids, Broussonetines C and D, as .BETA.-Galactosidase and .BETA.-Mannosidase Inhibitors from Broussonetia kazinoki SIEB. A New Pyrrolizidine Alkaloid, Broussonetine N, as an Inhibitor of Glycosidase, from Broussonetia kazinoki SIEB. and Absolute Stereostructures of Broussonetines A and B. Studies on the Constituents of Broussonetia Species. IV. Two New Pyrrolidinyl Piperidine Alkaloids, Broussonetines I and J, from Broussonetia kazinoki SIEB. Studies on the Constituents of Broussonetia Species. IV. Two New Pyrrolidinyl Piperidine Alkaloids, Broussonetines I and J, from Broussonetia kazinoki SIEB. A New Pyrrolizidine Alkaloid, Broussonetine N, as an Inhibitor of Glycosidase, from Broussonetia kazinoki SIEB. and Absolute Stereostructures of Broussonetines A and B. Studies on the Constituents of Broussonetia Species X. Six New Alkaloids from Broussonetia kazinoki SIEB. Studies on the Constituents of Broussonetia Species X. Six New Alkaloids from Broussonetia kazinoki SIEB.