Zobrazeno 1 - 10
of 87
pro vyhledávání: '"Takakazu Shinzato"'
Autor:
Katsuyoshi Matsunami, Takakazu Shinzato, Misaki Ishinaka, Hideaki Otsuka, Masanori Inagaki, Sachiko Sugimoto, Motohiro Nishimura, Susumu Kawakami, Tadashi Hyodo, Shintaro Asaumi, Kentaro Yamaguchi
Publikováno v:
Journal of Natural Medicines. 75:643-654
From the leaves of Ardisia quinquegona, two alkylated tetronic acid derivatives, named ardisiatetrons A and B (1, 2), and four triterpenoids (3–6) were isolated together with one known compound (7) by a combination of various kinds of chromatograph
Autor:
Takakazu Shinzato, Sachiko Sugimoto, Hideaki Otsuka, Serika Teshima, Yukiko Yamashita-Higuchi, Katsuyoshi Matsunami
Publikováno v:
Chemical and Pharmaceutical Bulletin. 68:814-817
From the leaves of Zanthoxylum ailanthoides, four new phenolic glucosides, termed zanthosides A-D (1-4), were isolated. Their structures were elucidated by means of spectroscopic evidence. Zanthoside A was enzymatically hydrolyzed and thus the aglyco
Autor:
Susumu, Kawakami, Misaki, Ishinaka, Shintaro, Asaumi, Sachiko, Sugimoto, Masanori, Inagaki, Motohiro, Nishimura, Katsuyoshi, Matsunami, Hideaki, Otsuka, Takakazu, Shinzato, Tadashi, Hyodo, Kentaro, Yamaguchi
Publikováno v:
Journal of natural medicines. 75(3)
From the leaves of Ardisia quinquegona, two alkylated tetronic acid derivatives, named ardisiatetrons A and B (1, 2), and four triterpenoids (3-6) were isolated together with one known compound (7) by a combination of various kinds of chromatography.
Autor:
Serika, Teshima, Yukiko, Yamashita-Higuchi, Sachiko, Sugimoto, Katsuyoshi, Matsunami, Hideaki, Otsuka, Takakazu, Shinzato
Publikováno v:
Chemicalpharmaceutical bulletin. 68(8)
From the leaves of Zanthoxylum ailanthoides, four new phenolic glucosides, termed zanthosides A-D (1-4), were isolated. Their structures were elucidated by means of spectroscopic evidence. Zanthoside A was enzymatically hydrolyzed and thus the aglyco
Autor:
Hideaki Otsuka, Susumu Kawakami, Shintaro Asaumi, Takakazu Shinzato, Katsuyoshi Matsunami, Sachiko Sugimoto
Publikováno v:
Chemical and Pharmaceutical Bulletin. 66:757-763
Eight alkylated benzoquinone derivatives, named ardisiaquinones A-H, were isolated together with four known compounds from the leaves of Ardisia quinquegona using a combination of different chromatography techniques. Their structures were elucidated
Autor:
Sachiko Sugimoto, Hideaki Otsuka, Katsuyoshi Matsunami, Ayano Sasaki, Takakazu Shinzato, Yoshi Yamano
Publikováno v:
Journal of Natural Medicines. 72:381-389
From the EtOAc-soluble fraction of a MeOH extract of the leaves of Breynia officinalis, five new compounds (1-5) along with 11 known compounds (6-16) were isolated. The structures of the new compounds were elucidated by spectroscopic methods and comp
Autor:
Serika Teshima, Takakazu Shinzato, Katsuyoshi Matsunami, Susumu Kawakami, Hideaki Otsuka, Sachiko Sugimoto
Publikováno v:
CHEMICAL & PHARMACEUTICAL BULLETIN. 65:754-761
From the leaves of Zanthoxylum ailanthoides, 4'-O-p-E-coumaric acid esters of 2-propanol β-D-glucopyranoside, megastigmane and megastigmane glucosides were isolated. Their structures were elucidated by spectroscopic evidence. The absolute configurat
Autor:
Saori Terazawa, Yuka Uemura, Susumu Kawakami, Hideaki Otsuka, Takakazu Shinzato, Masatoshi Kawahata, Kentaro Yamaguchi, Katsuyoshi Matsunami, Yuka Koyama, Sachiko Sugimoto
Publikováno v:
CHEMICAL & PHARMACEUTICAL BULLETIN. 65:930-939
Microtropins Q-W, (2S,3R)-2-ethyl-2,3-dihydroxybutyrate of various glucosides and glucose, as well as three ent-labdane diterpenoid glucosides, named microtropiosides G, H and I, an ursane-type triterpene diglucoside and a flavonoid glycoside were is
Autor:
Takakazu Shinzato, Hideaki Otsuka, Sachiko Sugimoto, Yuka Uemura, Katsuyoshi Matsunami, Susumu Kawakami
Publikováno v:
CHEMICAL & PHARMACEUTICAL BULLETIN. 64:638-643
Chemical study of the leaves of Meliosma pinnata spp. arnottiana afforded five sulfated glucosides of oct-1-en-3-ol (1) and cyclic linalool derivatives (2-5), and two megastigmanes (6, 7). Their structures were elucidated by extensive investigation o
Autor:
Shintaro, Asaumi, Susumu, Kawakami, Sachiko, Sugimoto, Katsuyoshi, Matsunami, Hideaki, Otsuka, Takakazu, Shinzato
Publikováno v:
Chemicalpharmaceutical bulletin. 66(7)
Eight alkylated benzoquinone derivatives, named ardisiaquinones A-H, were isolated together with four known compounds from the leaves of Ardisia quinquegona using a combination of different chromatography techniques. Their structures were elucidated