Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Noriko Ohsawa"'
Autor:
Yuji Matsuya, Noriko Ohsawa, Keiichi Kamoshita, Jacques Eustache, Solange Adam, Hideo Nemoto, Yoshikazu Sukenaga, T. Tschamber, Seiji Masuda
Publikováno v:
European Journal of Organic Chemistry. 2005:803-808
The estrane analogue of OSW-1, a potent antitumor natural saponin, was efficiently synthesized from estrone in 12 steps. The cytostatic activity of the compound against several human malignant tumor cells was examined and compared to those of the nat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13b81cb8c416d153cd91eb639e346461
https://doi.org/10.1002/ejoc.200400632
https://doi.org/10.1002/ejoc.200400632
Autor:
Kazunori Konno, Shinsuke Yoshimura, Hajime Yamaguchi, Akiko Chisaka, Satoshi Noguchi, Noriko Ohsawa
Publikováno v:
Journal of Toxicologic Pathology. 18:141-157
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5deb1b48d28c9fc53bd1de7e11ddf4c8
https://doi.org/10.1293/tox.18.141
https://doi.org/10.1293/tox.18.141
Autor:
Shinsuke Yoshimura, Noriko Ohsawa, Kazunori Konno, Akiko Chisaka, Satoshi Noguchi, Hajime Yamaguchi
Publikováno v:
Journal of Toxicologic Pathology. 17:113-118
Hypospadias was induced in male Sprague-Dawley rats by prenatal exposure to 30 mg/kg/day of flutamide from gestational days 14 to 17, or from 18 to 21. Their external genitalia were examined histopathologically and compared to untreated controls. On
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fa43f5376bbc6a174a2cd71ca5ffa42
https://doi.org/10.1293/tox.17.113
https://doi.org/10.1293/tox.17.113
Autor:
Théophile Tschamber, Seiji Masuda, Solange Adam, Noriko Ohsawa, Sakiko Maruyama, Yuji Matsuya, Keiichi Kamoshita, Hideo Nemoto, Jacques Eustache
Publikováno v:
Bioorganicmedicinal chemistry letters. 17(18)
4 OSW-1 analogues featuring modified carbohydrate moieties were prepared. The purpose of these modifications was to assess the importance of certain chemical functions with respect to biological activity. The synthesis and biological activity of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::123b88ff8a98213fcff4110bb3186874
https://pubmed.ncbi.nlm.nih.gov/17656091
https://pubmed.ncbi.nlm.nih.gov/17656091
Publikováno v:
ChemInform. 38
Efficient transformations of benzocyclobutenones into 2,3-benzodiazepines by a formal insertion of diazomethylene compounds are described. This sequential process includes nucleophilic addition of diazomethylene anion, oxy-anion accelerated o-quinodi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f357a66154450918272b149544520c5e
https://doi.org/10.1002/chin.200706156
https://doi.org/10.1002/chin.200706156
Publikováno v:
Journal of the American Chemical Society. 128(2)
A significant acceleration effect of a beta-silicon atom was observed on the electrocyclic ring-opening reaction of benzocyclobutene derivatives to form o-quinodimethanes. This acceleration effect could be attributed to an electronic sigma-donating n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::0c323c3ef9607c2ee32370ad01677dcb
https://pubmed.ncbi.nlm.nih.gov/16402819
https://pubmed.ncbi.nlm.nih.gov/16402819
Publikováno v:
Journal of the American Chemical Society. 128:412-413
A significant acceleration effect of a β-silicon atom was observed on the electrocyclic ring-opening reaction of benzocyclobutene derivatives to form o-quinodimethanes. This acceleration effect could be attributed to an electronic σ-donating nature
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51786d0f93b7c7c776ccbf8fd62c79d9
https://doi.org/10.1021/ja055505+
https://doi.org/10.1021/ja055505+
Accelerated Electrocyclic Ring-Opening of Benzocyclobutenes under the Influence of a β-Silicon Atom.
Publikováno v:
Journal of the American Chemical Society. 1/18/2006, Vol. 128 Issue 2, p412-413. 2p.