Zobrazeno 1 - 10
of 136
pro vyhledávání: '"Yasuko Okamoto"'
Publikováno v:
Molecules, Vol 28, Iss 13, p 5107 (2023)
Eight samples of Eupatorium heterophyllum leaves were collected at different locations in Yunnan and Sichuan provinces in China, and their chemical constituents were investigated. Thirteen previously undescribed sesquiterpene lactones—seven germacr
Externí odkaz:
https://doaj.org/article/b60155f5f39e4249a36fb3d4eb434983
Autor:
Taishu Kawada, Katsuhito Kino, Yoshihiko Matsuzawa, Masayuki Morikawa, Yasuko Okamoto, Takanobu Kobayashi, Yoshiyuki Tanaka
Publikováno v:
Molbank, Vol 2022, Iss 3, p M1436 (2022)
The title compound, N′1,N′4-bis(2-(7,8-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2H)-yl)ethylidene)succinohydrazide (1), was obtained by the reaction of formylmethylflavin and succinic acid dihydrazide. The product 1 was characterized by
Externí odkaz:
https://doaj.org/article/d6d52cf689e34e098e46879a776a2dc8
Autor:
Eishin Kato, Miwa Kubo, Yasuko Okamoto, Yoichi Matsunaga, Hoko Kyo, Nobutaka Suzuki, Kazuo Uebaba, Yoshiyasu Fukuyama
Publikováno v:
ACS Omega, Vol 3, Iss 11, Pp 15879-15889 (2018)
Externí odkaz:
https://doaj.org/article/dda2039ec8144c74ae2ef2a5a03207e7
Publikováno v:
Molecules, Vol 16, Iss 12, Pp 10645-10652 (2011)
Two samples of Cremanthodium stenactinium (Asteraceae) were collected in Sichuan Province, China. From the ethyl acetate extracts of the roots, three new eremophilane-type sesquiterpenoids and one new trinoreremophilane compound were isolated, togeth
Externí odkaz:
https://doaj.org/article/d986b1e6912b462489db71a0b7860dbb
Autor:
Chiaki Kuroda, Ryohei Kobayashi, Ayumi Nagata, Yumi Nakadozono, Taketo Itoh, Yasuko Okamoto, Motoo Tori, Ryo Hanai, Xun Gong
Publikováno v:
Molecules, Vol 22, Iss 12, p 2062 (2017)
The diversity in root chemicals and evolutionally neutral DNA regions in the complex of Ligularia duciformis, L. kongkalingensis, and L. nelumbifolia (the d/k/n complex) was studied using eight samples collected in central and northern Sichuan Provin
Externí odkaz:
https://doaj.org/article/7debffac9b224f58af1bfc38134909f8
Publikováno v:
Molecules; Volume 28; Issue 13; Pages: 5107
Eight samples of Eupatorium heterophyllum leaves were collected at different locations in Yunnan and Sichuan provinces in China, and their chemical constituents were investigated. Thirteen previously undescribed sesquiterpene lactones—seven germacr
Autor:
Yasuko Okamoto, Takanori Sakaguchi, Yoshito Ikematsu, Toshikazu Kanai, Kazuhisa Hirayama, Hiroaki Tamura, Tadataka Hayashi, Yoshiro Nishiwaki, Hiroyuki Konno, Katsunori Aoki
Publikováno v:
Journal of Medical Investigation; 2023, Vol. 70 Issue 3/4, p325-333, 9p
Autor:
Yukiyasu Yoneda, Tadahiro Yahagi, Kenichi Harada, Yasuko Okamoto, Sumiaki Motai, Keiichi Matsuzaki, Miwa Kubo, Yoshiyasu Fukuyama, Ayumi Ohsaki
Publikováno v:
Phytochemistry. 203
Five undescribed norfriedelane triterpenoids, anchietins A-E, along with three known norfriedelane triterpenoids, 21β-hydroxycaloncobalactone, and welwitschiilactones B and C, were isolated from the vine of Anchietia pyrifolia. The compounds were ch
Publikováno v:
Biochemical and Biophysical Research Communications. 529:910-915
Transcription factor EVI1 is essential for normal hematopoiesis in embryos but is aberrantly elevated in bone marrow cells of myelodysplastic syndrome (MDS) patients. EVI1 and its downstream GATA-2 appear to be a possible therapeutic target of MDS. H
Autor:
Ayumi Ohsaki, Kosuzu Shiojiri, Yasuko Okamoto, Xun Gong, Yoshinori Saito, Ryo Hanai, Motoo Tori, Takuya Hashida, Chiaki Kuroda
Publikováno v:
Chemistrybiodiversity. 18(11)
Root chemicals and the sequences of the internal transcribed spacers (ITSs) were analyzed for 9 Ligularia kanaitzensis and 3 L. subspicata samples collected in northwestern Yunnan and southwestern Sichuan, China. Subspicatins A and C were isolated fr