Zobrazeno 1 - 10 of 178 pro vyhledávání: '"Mineharu Hiiragi"'
5
Studies on the syntheses of heterocyclic compounds. Part DCXII. A simple synthesis of benzopyran and dibenzopyran derivatives
Autor: Nagatoshi Wagatsuma, Haruhide Ishimaru, Seiji Haga, Kazuo Kigasawa, Tetsuji Kametani, O. Kusama, Mineharu Hiiragi
Publikováno v: Journal of Heterocyclic Chemistry. 12:851-854
trans-2-(3-Hydroxyphenyl)cyclohexanol (1b) was converted into 6-methyl-6-phenylbenzopyran (11a) and 6-spirocyclohexanobenzopyran (11b) by phenolic cyclization or under acidic condition. This type of reaction was also applied to the synthesis of 3,4-d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6147b395b5f993e2bcdb3e65b558a52f
https://doi.org/10.1002/jhet.5570120508
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6
Studies on the syntheses of heterocyclic compounds. 845. Studies on the synthesis of chemotherapeutics. 10. Synthesis and antitumor activity of N-acyl- and N-(alkoxycarbonyl)-5-fluorouracil derivatives
Autor: A Taguchi, N Nishimura, Osamu Irino, Tetsuji Kametani, Okada Taiji, Seiji Haga, Kazuo Kigasawa, Kikuo Wakisaka, T Yamamoto, Kazunaga Fukawa, Hideo Sugi, M Nakayama, Y Nagamatsu, Mineharu Hiiragi
Publikováno v: Journal of Medicinal Chemistry. 23:1324-1329
A number of N-acyl and N-(alkoxycarbonyl)-5-fluorouracil derivatives possessing, for example, benzoyl, o-toluyl, acetyl, propionyl, heptanoyl, ethoxycarbonyl, phenoxycarbonyl, and benzyloxycarbonyl groups as N1 and/or N3 substituents were synthesized
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::abe8fb3cbbfd1cc84e4b5c5958525e5f
https://doi.org/10.1021/jm00186a008
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7
Studies on the syntheses of analgesics. 41. Optical resolution of (.+-.)-N-cyclopropylmethyl-3-hydroxy-9-azamorphinan (studies on the syntheses of heterocyclic compounds. 669
Autor: Tsuneo Uryu, O. Kusama, Kazuo Kigasawa, Tetsuji Kametani, Nagatoshi Wagatsuma, Mineharu Hiiragi
Publikováno v: Chemical and Pharmaceutical Bulletin. 24:2563-2566
Optical resolution of (+)-N-cyclopropylmethyl-3-hydroxy-9-azamorphinan (I) was successfully effected with (+)-O, O-dibenzoyltartaric acid or (2R : 3R)-2'-nitrotartranilic acid as the resolution agent. The optically active compounds thus obtained were
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6490c75b70b9c7029a285804ebeb1d9b
https://doi.org/10.1248/cpb.24.2563
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