Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Toyokichi Yoshizawa"'
Autor:
Wen-mei Yan, Toyokichi Yoshizawa, Junei Kinjo, Y.-M. Chi, Motoyuki Nakamura, Toshihiro Nohara, Fumio Hashimoto, Yu-Ming Chi, X.-Y. Zhao
Publikováno v:
Journal of Asian Natural Products Research. 9:115-118
A novel macrocyclic spermine alkaloid incasine C' (1), along with a known compound incasine C (2), were isolated from the whole plants of Incarvillea sinensis, and their structures were elucidated on the basis of chemical and spectroscopic evidence.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2a0217ee820cbf9215a6e105c976da98
https://doi.org/10.1080/10286020500289212
https://doi.org/10.1080/10286020500289212
Autor:
Fumio Hashimoto, Wen-mei Yan, Toshihiro Nohara, Shinobu Sakurada, Junei Kinjo, Toyokichi Yoshizawa, Yu-Ming Chi, Motoyuki Nakamura, Xi-Ying Zhao
Publikováno v:
Biological and Pharmaceutical Bulletin. 29:580-584
Our recent study demonstrated that the dimeric structure of alpha-truxillic acid derivatives played an important role in the expression of their anti-inflammatory activities. In the present report, to investigate the correlation between the structure
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34e9ead3da4b1a4374ec38b60415de6e
https://doi.org/10.1248/bpb.29.580
https://doi.org/10.1248/bpb.29.580
Autor:
Toyokichi Yoshizawa, Toshihiro Nohara, Xi Ying Zhao, Motoyuki Nakamura, Fumio Hashimoto, Wen Mei Yan, Yu Ming Chi, Shinobu Sakurada, Junei Kinjo
Publikováno v:
Biological and Pharmaceutical Bulletin. 29:489-493
The oral anti-inflammatory activity of 4,4'-dihydroxy-alpha-truxillic acid (1) was compared with that of two other nonsteroidal anti-inflammatory drugs, loxoprofen sodium (LOX) and diclofenac sodium (DIC). The activity of 1 against the inflammatory p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a1deff52f968925cd89bbb86426e736
https://doi.org/10.1248/bpb.29.489
https://doi.org/10.1248/bpb.29.489
Publikováno v:
Journal of Carbohydrate Chemistry. 24:73-84
The first synthesis of 3‐O‐β‐D‐glucopyranosyl‐(3R)‐hydroxybutanolide (Kinsenoside) and 3‐O‐β‐D‐glucopyranosyl‐(3S)‐hydroxybutanolide (Goodyeroside A) is described. The diastereomers of the aglycon in 2‐O‐β‐D‐gulucop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b1d28187de777004c3bcca141f694af
https://doi.org/10.1081/car-200050541
https://doi.org/10.1081/car-200050541
Autor:
Fumio Hashimoto, Akihiko Yonezawa, Toyokichi Yoshizawa, Junei Kinjo, Yu-Ming Chi, Shinobu Sakurada, Toshihiro Nohara, Yumiko Nakasugi, Wen-Mei Yan, Motoyuki Nakamura
Publikováno v:
Planta Medica. 67:114-117
Incarvillateine (1), a new monoterpene alkaloid carrying a characteristic cyclobutane ring, has been found to show significant antinociceptive activity in a formalin-induced pain model in mice. To investigate the correlation between its structure and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c4636ea6f041ea4dbb1c06b61304ddcb
https://doi.org/10.1055/s-2001-11512
https://doi.org/10.1055/s-2001-11512
Autor:
Xiao-Ming Du, Atsushi Mohri, Ning-Yi Sun, Takashi Tamura, Nobuto Irino, Toyokichi Yoshizawa, Yukihiro Shoyama, Minoru Sugiura, Jun Hayashi
Publikováno v:
Biological and Pharmaceutical Bulletin. 24:65-69
A higher concentration of kinsenoside, 3-(R)-3-beta-D-glucopyranosyloxybutanolide (1), was detected in the crude drug Anoectochilusformosanus, and A. koshunensis by HPLC analysis. A methylation reaction occurred to give methyl ester (4) when the lact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::184417a6f4bbce36ab374970954c3f51
https://doi.org/10.1248/bpb.24.65
https://doi.org/10.1248/bpb.24.65
Autor:
Wen Mei Yan, Toshihiro Nohara, Motoyuki Nakamura, Xi Ying Zhao, Yu-Ming Chi, Junei Kinjo, Toyokichi Yoshizawa, Fumio Hashimoto, Shinobu Sakurada
Publikováno v:
Biological and Pharmaceutical Bulletin. 28:1989-1991
To determine the antinociceptive mechanism of incarvillateine (INCA), the opiate antagonists nor-binaltorphimine (nor-BNI), beta-funaltrexamine (beta-FNA) and naltrindole (NTI) were pretreated prior to its injection in a formalin test. The antinocice
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bca1169fd54a929697b71162102366eb
https://doi.org/10.1248/bpb.28.1989
https://doi.org/10.1248/bpb.28.1989
Publikováno v:
Chemical and Pharmaceutical Bulletin. 44:2103-2106
Three new prenylated xanthones, garciniaxanthones F (1), G (2) and H (3), have been isolated as antioxidative substances from the wood of Garcinia subelliptica (Guttiferae). Their structures have been elucidated on the basis of spectroscopic data inv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf269f8029e798961671bc77a2e13b31
https://doi.org/10.1248/cpb.44.2103
https://doi.org/10.1248/cpb.44.2103
Autor:
Hiroyuki Minami, Mitsuaki Kodama, Toyokichi Yoshizawa, Keiji Nakagawa, Yoshiyasu Fukuyama, Minoru Sugiura, Miho Kinoshita, Harumi Tago
Publikováno v:
Phytochemistry. 36:501-506
From the woods of Garcinia subelliptica four new xanthones, garciniaxanthone C, 1,2,5-trihydroxyxanthone, 2,6-dihydroxy-1,5-dimethoxyxanthone and 1,2-dihydroxy-5,6-dimethoxyxanthone have been isolated along with a new benzophenone derivative, 4′,6-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::893ccfccddc6d2e7561dd96623ac9c42
https://doi.org/10.1016/s0031-9422(00)97103-6
https://doi.org/10.1016/s0031-9422(00)97103-6
Autor:
Emi Takahashi, Mitsuaki Kodama, Hiroyuki Minami, Yoshiyasu Fukuyama, Keiji Nakagawa, Toyokichi Yoshizawa
Publikováno v:
ChemInform. 26
Two new xanthones, garciniaxanthone D (1) containing a dihydrobenzofuran ring and 1,4,5-trihydroxyxanthone (2), have been isolated from Garcinia subelliptica as superoxide anion scavengers. Their structures have been determined mainly by spectroscopi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6cddf894e49a8bf935b0c048c3a43916
https://doi.org/10.1002/chin.199535274
https://doi.org/10.1002/chin.199535274