Zobrazeno 1 - 10
of 121
pro vyhledávání: '"Teruo Kurihara"'
Autor:
Hidetsugu Wakabayashi, Masami Kawase, Joseph Molnár, Satoru Tani, Hideki Nakashima, Kazue Satoh, Hiroshi Sakagami, Hidetaka Fukushima, Katalin Ugocsai, Yoshiaki Shirataki, Noboru Motohashi, Yoshitaka Sohara, Gabriella Spengler, Tomoko Yamada, Nóra Gyémánt, Teruo Kurihara, Annamária Molnár
Publikováno v:
Phytotherapy Research. 18:212-223
Fractionation of barbados cherry (acerola fruit, a fruit of Malpighia emarginata DC.) extracts were performed by organic solvent extractions and column chromatographies, using two extraction methods. Higher cytotoxic activity was concentrated in frac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1c07ec523a0cfbf1cc2d293ec8b03fc
https://doi.org/10.1002/ptr.1426
https://doi.org/10.1002/ptr.1426
Autor:
Hiroshi Sakagami, Yoshiaki Shirataki, Noboru Motohashi, Teruo Kurihara, Satoru Tani, Masami Kawase, Hideki Nakashima, Krisztina Wolfard, Kazue Satoh, Joseph Molnár, Gabriella Spengler
Publikováno v:
Phytotherapy Research. 17:495-500
Fractionated extracts of persimmon (Diospyros kaki) peels were studied for cytotoxic activity, multidrug resistance (MDR) reversal activity, anti-human immunodeficiency virus (HIV) activity and anti-Helicobacter pylori (H. pylori) activity. The poten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edc40b46a5bbcf4b70c34711c702d257
https://doi.org/10.1002/ptr.1183
https://doi.org/10.1002/ptr.1183
Autor:
Kimio Shindo, T. Nozoe, Luo‐Chenz Zhang, Teruo Kurihara, Hideki Sakurai, Keisuke Ebata, Hidetugu Wakabayashi
Publikováno v:
Journal of the Chinese Chemical Society. 50:47-50
Treatment of benzo[b]cyclohepta[e] [1,4]oxazines (4) with 1.2 equiv. of tris(2-aminoethyl)amine (13) in methanol at 80 °C gave 1,4,12,15,18,26,31,39-octaazapentacyclo[13.13.13.0 5 , 1 1 .0 1 9 , 2 5 .0 2 5 .0 1 2 , 3 ]pentetraconta-4,6,8,10,18,20,22
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f8d7c4bc147505678f0d99d389cdf21d
https://doi.org/10.1002/jccs.200300006
https://doi.org/10.1002/jccs.200300006
Autor:
Andreas Varga, Satoru Tani, Hiroshi Sakagami, Ilona Mucsi, Joseph Molnár, Hideki Nakashima, Yoshiaki Shirataki, Teruo Kurihara, Masami Kawase, Noboru Motohashi, Kazue Satoh
Publikováno v:
Journal of Ethnopharmacology. 81:357-364
Kiwi gold fruits were extracted successively with hexane, acetone, methanol and 70% methanol, and further fractionated by silica gel and ODS column chromatographies for the assays of various biological activities. Five fractions H1, H2 (hexane extrac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::954139296c464cc7e0362e40a33966ea
https://doi.org/10.1016/s0378-8741(02)00125-3
https://doi.org/10.1016/s0378-8741(02)00125-3
Autor:
S.‐J. Lin, Tadayoshi Morita, Chien Yu Huang, Hitoshi Takeshita, Yun Shan Lin, Akira Mori, Tian Chyuan Huang, Teruo Kurihara, Shuan Ya Jiang, Tetsuo Nozoe
Publikováno v:
Bulletin of the Chemical Society of Japan. 73:2793-2803
The lead(IV) oxide oxidation of various azulen-2-ol derivatives in acetic acid generates azulenoxy radicals via one-electron oxidation. The intermediates end up yielding recombined dimers, [1,1′-biazulene]-2,2′(1H,1′H)-dimers, as common type of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22a0ae371f55ea03a873689a5ca7e153
https://doi.org/10.1246/bcsj.73.2793
https://doi.org/10.1246/bcsj.73.2793
Publikováno v:
International Journal of Antimicrobial Agents. 14:243-247
The antiplasmid effects of promethazine on E. coli is the consequence of special complex formed with a covalently closed circular (ccc) form of plasmid DNA. The exact target in this macromolecule, however, was not clarified until recently. Caffeine a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::caff451204570175ab9e48bbbfc011e8
https://doi.org/10.1016/s0924-8579(00)00130-8
https://doi.org/10.1016/s0924-8579(00)00130-8
Publikováno v:
Chemical and Pharmaceutical Bulletin. 48:1338-1343
Alpha-trifluoromethylated acyloins (2 and 6) have been prepared from alpha-hydroxy acids (1), N-acylprolines (5) or N-acyl-N-alkyl alpha-amino acids (8) by novel transformation reactions with trifluoroacetic anhydride (TFAA) in the presence of pyridi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba788b7cb5830249f15f002a5ba9d780
https://doi.org/10.1248/cpb.48.1338
https://doi.org/10.1248/cpb.48.1338
Autor:
Masaaki Tsukada, Hidetsugu Wakabayashi, Paw-Wang Yang, T. Nozoe, Kimio Shindo, Teruo Kurihara, Masafumi Yasunami
Publikováno v:
Journal of the Chinese Chemical Society. 45:391-400
A very convenient, one-pot synthesis (over 80% yield) of 3-bromo-1,5- and −1,7-azulenequinones has been developed by bromination of azulene in aqueous tetrahydrofuran. Reduction of 3-bromo-1,5- and −1,7-azulenequinones with tin or zinc powder in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e948b14b75ba9695a4aaa8085708c0a7
https://doi.org/10.1002/jccs.199800062
https://doi.org/10.1002/jccs.199800062
Publikováno v:
Chemical and Pharmaceutical Bulletin. 46:749-756
The reactions of N-acyl-N-benzyl-α-amino acids (1) or N-acylprolines (5) with trifluoroacetic anhydride in the presence of pyridine afford 5-trifluoromethyloxazoles (2 or 7) in good yields. The reaction could proceed through the transient formation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9181d4120e0b4c82feb0662eabfa26e
https://doi.org/10.1248/cpb.46.749
https://doi.org/10.1248/cpb.46.749
Autor:
Takeshi Matsuzaki, Shusuke Hashimoto, Yudai Satake, Tsutomu Shiina, Teruo Kurihara, Koichi Takeya, Haruhiko Fukaya, Yutaka Aoyagi, Ritsuo Aiyama, Yoshinao Takahashi
Publikováno v:
Tetrahedron Letters. 46:7885-7887
Grandione, a unique isetexane diterpene dimer, was synthesized from demethylsalvicanol via the solid state hetero-Diels–Alder type dimerization reaction. By X-ray crystallography, grandione was determined to have the structure, in which the two iso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d23c3ef62349f381852d2587a79cca7
https://doi.org/10.1016/j.tetlet.2005.09.104
https://doi.org/10.1016/j.tetlet.2005.09.104