Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Masumi Katsumata"'
Autor:
Junzo Shoji, Kentaro Yamaguchi, Hideo Kamei, Mariko Katoh, Yoshiteru Ida, Masumi Katsumata, Yohko Satoh, Miki Nagasao
Publikováno v:
Tetrahedron Letters. 35:6887-6890
Two new saponins, achyranthosides A and B, were isolated from Achyranthes fauriei root, and their structures were elucidated on the basis of chemical and physical evidences. Achyranthoside A methyl ester was found to have significant cytotoxic activi
Autor:
Kazuko Tsujiyama, Junzo Shoji, Yoshijiro Nakajima, Yohko Satoh, Yoshiteru Ida, Masumi Katsumata
Publikováno v:
Phytochemistry. 36:119-127
From fresh rhizome of Alisma orientale, and the crude drug Alismatis rhizoma of Japanese and Chinese origins, 15 new terpenoids were isolated together with 11 known terpenoids and were characterized as follows: 11-deoxy, 13β,17β-epoxy and ll-deoxy-
ChemInform Abstract: Achyranthosides A and B, Novel Cytotoxic Saponins from Achyranthes fauriei Root
Autor:
Mariko Katoh, Miki Nagasao, Yohko Satoh, Junzo Shoji, Hideo Kamei, Yoshiteru Ida, Masumi Katsumata, Kentaro Yamaguchi
Publikováno v:
ChemInform. 26
Two new saponins, achyranthosides A and B, were isolated from Achyranthes fauriei root, and their structures were elucidated on the basis of chemical and physical evidences. Achyranthoside A methyl ester was found to have significant cytotoxic activi
Autor:
Yoshiteru Ida, Masumi Katsumata, Miki Nagasao, Yasuaki Hirai, Toshinori Yamamoto, Yohko Satoh, Masako Yasuda, Tetsuya Kajimoto, Naho Katada
Publikováno v:
ChemInform. 30
Two novel triterpene glycosides, achyranthosides E and F, were isolated as methyl esters from the root of Achyranthes fauriei, an antiinflammatory medicinal plant. Their structures were characterized as oleanolic acid glucuronides having unique subst
Publikováno v:
Chemicalpharmaceutical bulletin. 43(5)
Two novel saponins, achyranthosides C and D, were isolated from Achyranthes fauriei root, and their structures were characterized based on the chemical and spectroscopic evidence.
Autor:
Miki Nagasao, Shigeru Sakai, Yoshiteru Ida, Masumi Katsumata, Yohko Satoh, Masazumi Miyakoshi, Junzo Shoji
Publikováno v:
Phytochemistry. 36(1)
Five new oleanolic acid glycosides, tarasaponins III-VII, were isolated from the dried root-bark of Aralia elata together with stipuleanoside R2, in addition to eight saponins previously reported. They were characterized as oleanolic acid 3-O-[beta-D
Autor:
Shigeru Sakai, Masumi Katsumata(Nee Ohtsuka), Yohko Satoh, Miki Nagasao, Masazumi Miyakoshi, Yoshiteru Ida, Junzo Shoji
Publikováno v:
Phytochemistry. 35(5)
Three new oleanolic acid glycosides, tarasaponins I-III, were isolated as their methyl esters from the root bark of Aralia elata together with four known glycosides, the methyl esters of chikusetsusaponins IVa, IV, 28-desglucosyl-chikusetsusaponin IV
Publikováno v:
Planta Medica. 60:286-287