『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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EID=73471EID:73471, Map:0, LastModified:2022年5月5日(木) 20:05:42, Operator:[[ADMIN]], Avail:TRUE, Censor:0, Owner:[[学科長]/[徳島大学.薬学部.創製薬科学科]], Read:継承, Write:継承, Delete:継承.
○種別 (必須): □学術論文 (審査論文) [継承]
○言語 (必須): □英語 [継承]
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○組織 (推奨): 1.徳島大学.薬学部.製薬化学科 (〜2006年3月31日) [継承]
2.徳島大学.薬学部.薬学科 [継承]
○著者 (必須): 1.落合 正仁
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2. (英) Suefuji Takashi (日) (読)
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3.宮本 和範
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4. (英) Tada Norihiro (日) (読)
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5.後藤 了
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6. (英) Shiro Motoo (日) (読)
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7. (英) Sakamoto Shigeki (日) (読)
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8. (英) Yamaguchi Kentaro (日) (読)
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○題名 (必須): □(英) Secondary hypervalent I(III) ---O interactions: Synthesis and structure of hypervalent complexes of diphenyl-<lambda>^3-iodanes with 18-crown-6  (日)    [継承]
○副題 (任意):
○要約 (任意): □(英) Reported here for the first time are the synthesis and characterization of supramolecular complexes between diaryl-lambda(3)-iodanes and 18-crown-6 (18C6). Slow evaporation of solvents afforded 1:1 and 2:1 complexes between Ph(2)IBF(4) and 18C6 as stable crystals, depending on the conditions. X-ray crystal structures of these complexes indicated that each iodine atom contacts with the three adjacent oxygen atoms of 18C6 through two hypervalent secondary bonding and a weak interaction. (1)H NMR analyses and CSI-MS spectra showed that, in dichloromethane solution, Ph(2)IBF(4) exclusively forms the 1:1 complex with 18C6 (binding constant K(a), 1.02 x 10(3) M(-)(1)). The binding constants decrease with the increased solvent donor ability (Gutmann's DN). Changing the heteroatom ligand from BF(4) to the less nucleophilic PF(6) and AsF(6) increased the binding constant by about six times. Substitution of an electron-withdrawing group onto the para position of Ph(2)IBF(4) tends to increase in the complex stability. A linear Hammett relationship (rho = 0.59) between log K(a) and sigma(p)(+) values of substituents indicates that the diaryl-lambda(3)-iodanes with electropositive iodine(III) interact more efficiently with 18C6. Decreased binding magnitude was measured with 15C5, dibenzo-18C6, dibenzo-21C7, and dibenzo-30C10.  (日)    [継承]
○キーワード (推奨): 1. (英) ACTIVATED VINYL HALIDES (日) (読) [継承]
2. (英) STEREOSPECIFIC SYNTHESIS (日) (読) [継承]
3. (英) MACROCYCLIC POLYETHERS (日) (読) [継承]
4.質量分析法 (mass spectrometry) [継承]
5.ヨウ素 (iodine) [継承]
6. (英) IODOSYLBENZENE (日) (読) [継承]
7.生体分子 (biomolecules) [継承]
8. (英) IONIZATION (日) (読) [継承]
9. (英) EXCHANGE (日) (読) [継承]
10. (英) BINDING (日) (読) [継承]
○発行所 (推奨): □アメリカ化学会 [継承]
○誌名 (必須): □Journal of the American Chemical Society ([アメリカ化学会])
(pISSN: 0002-7863, eISSN: 1520-5126)

○ISSN (任意): □0002-7863
ISSN: 0002-7863 (pISSN: 0002-7863, eISSN: 1520-5126)
Title: Journal of the American Chemical Society
Title(ISO): J Am Chem Soc
Publisher: American Chemical Society
 (NLM Catalog)   (Scopus)   (CrossRef)  (Scopus information is found. [need login])
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○巻 (必須): □125 [継承]
○号 (必須): □3 [継承]
○頁 (必須): □769 773 [継承]
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○年月日 (必須): □西暦 2003年 1月 22日 (平成 15年 1月 22日) [継承]
○URL (任意): □http://ci.nii.ac.jp/naid/80015791212/ [継承]
○DOI (任意): □10.1021/ja0211205    (→Scopusで検索) [継承]
○PMID (任意): □12526677    (→Scopusで検索) [継承]
○CRID (任意): □1570009751824052352 [継承]
○NAID : □80015791212 [継承]
○WOS (任意): □000180468900035 [継承]
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○備考 (任意): 1.(英) Article.Affiliation: Faculty of Pharmaceutical Sciences, University of Tokushima, 1-78 Shomachi, Japan. mochiai@ph2.tokushima-u.ac.jp  (日)    [継承]
2.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]

標準的な表示

和文冊子 ● Masahito Ochiai, Takashi Suefuji, Kazunori Miyamoto, Norihiro Tada, Satoru GOTO, Motoo Shiro, Shigeki Sakamoto and Kentaro Yamaguchi : Secondary hypervalent I(III) ---O interactions: Synthesis and structure of hypervalent complexes of diphenyl-<lambda>^3-iodanes with 18-crown-6, Journal of the American Chemical Society, Vol.125, No.3, 769-773, 2003.
欧文冊子 ● Masahito Ochiai, Takashi Suefuji, Kazunori Miyamoto, Norihiro Tada, Satoru GOTO, Motoo Shiro, Shigeki Sakamoto and Kentaro Yamaguchi : Secondary hypervalent I(III) ---O interactions: Synthesis and structure of hypervalent complexes of diphenyl-<lambda>^3-iodanes with 18-crown-6, Journal of the American Chemical Society, Vol.125, No.3, 769-773, 2003.

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