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Journals and Conferences
Eight new dimeric bromopyrrole alkaloids, nagelamides A-H (1-8) and a monomeric one, 9,10-dihydrokeramadine (9), have been isolated from the Okinawan marine sponge Agelas sp., and the structures were… (More)
Two new sesterterpenoids, luffariolides H (1) and J (2), have been isolated from an Okinawan marine sponge Luffariella sp. The structures of 1 and 2 were elucidated on the basis of spectroscopic data.
A quadrature bridge which will be used in the chain of measurements from the QHR to the standard of capacitance at ETL has been developed. The bridge may be balanced at several frequencies including… (More)
A new bromotyrosine alkaloid, nakirodin A (1), has been isolated from an Okinawan marine Verongid sponge. The structure was elucidated on the basis of spectroscopic data.
Asymmetric synthesis of double bond isomers (+)-2 (delta(15',16')) and (+)-3 (delta(14',15')) of the structure (1) (delta(16',17')) proposed for pyrinodemin A, a cytotoxic bis-pyridine alkaloid with… (More)