New acetogenin katsuurallene from Laurencia saitoi collected from Katsuura, Japan

Yu Minamida,Hiroshi Matsuura,Takahiro Ishii,Miyu Miyagi,Yuto Shinjo,Kosuke Sato,Takashi Kamada,Yoshihiro Mihara, Iwao Togashi,Keisuke Sugimoto,Tsuyoshi Abe,Norio Kikuchi,Minoru Suzuki

Natural Products and Bioprospecting（2022）

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摘要

We examined the chemical constitution of the red alga Laurencia saitoi Perestenko, collected from Katsuura, Boso Peninsula, Chiba Prefecture, Japan. This specimen produced a new polyhalogenated acetogenin, named katsuurallene ( 1 ), which structure was determined by the spectral methods, along with known diterpene, deoxyparguerol ( 2 ) and triterpene, thyrsiferol ( 3 ). In this paper we describe the structural elucidation of katsuurallene together with some biological activities.

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关键词

Laurencia , Rhodomelaceae, Acetogenin, Triterpene, Diterpene, Biological activity

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