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Two New Cytotoxic Candidaspongiolides from an Indonesian Sponge
Marine sponges have been recognized as potentially rich sources of various bioactive molecules. In our continuing search for new secondary metabolites from Indonesian marine invertebrates, weExpand
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Glucosides from the leaves of Cynanchum liukiuense (2)
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Reusable Polymer-Supported Terpyridine Palladium Complex for Suzuki-Miyaura, Mizoroki-Heck, Sonogashira, and Tsuji-Trost Reaction in Water
A novel heterogeneous transition-metal catalyst comprising a polymer-supported terpyridine palladium(II) complex was prepared and found to promote the Suzuki-Miyaura, Mizoroki-Heck, Sonogashira, andExpand
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Isolation of five new flavonoids from Melicope triphylla.
Five new flavonoids, 5,8-dihydroxy-3,7-dimethoxy-3',4'-methylenedioxyflavone (1), 7-hydroxy-3,5-dimethoxy-3',4'-methylenedioxyflavone (2),Expand
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A new route for the construction of the AB-ring core of Taxol
Abstract A new method for the construction of the AB-ring core of Taxol was developed utilizing a new skeletal transformation protocol as a pivotal step. The acid-catalyzed rearrangement of theExpand
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Isolation of four new flavonoids from Melicope triphylla.
Four new flavonoids, 3,5-dihydroxy-7,8-dimethoxy-3',4'-methylenedioxyflavone (1), 3,5-dihydroxy-7-methoxy-3',4'-methylenedioxyflavone (2),Expand
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Trunculins X and Y from an Okinawan sponge Sigmosceptrella sp.
Abstract Two new norsesterterpenoid cyclic peroxides, trunculins X and Y, were isolated from an Okinawan sponge Sigmosceptrella sp. Their structures were determined by spectroscopic analyses onExpand
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Naphthoquinone Derivatives from Diospyros maritima.
From the chloroform extract of the fresh fruits of Diospyros maritima BLUME (Ebenaceae), five new naphthoquinone derivatives, 2,7'-dimethyl-2',3-bijuglone (27), 2,7'-dimethyl-3,3'-bijuglone (28),Expand
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Recyclable Polymer-Supported Terpyridine–Palladium Complex for the Tandem Aminocarbonylation of Aryl Iodides to Primary Amides in Water Using NaN3 as Ammonia Equivalent
Primary aromatic amides are valuable compounds, which are generally prepared via Beckmann rearrangement of oximes and the hydration of nitriles in organic solvents. We investigated theExpand
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