{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282679134458240.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.3769/radioisotopes.63.283"}},{"identifier":{"@type":"HDL","@value":"http://hdl.handle.net/10191/30807"}},{"identifier":{"@type":"URI","@value":"https://niigata-u.repo.nii.ac.jp/records/2563"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"025592414"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/025592414"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I025592414"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/radioisotopes/63/6/63_283/_pdf"}},{"identifier":{"@type":"NAID","@value":"130004511710"}},{"identifier":{"@type":"URI","@value":"https://search.jamas.or.jp/link/ui/2014261234"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Kinetic Reaction Analysis of the Pyridine Derivatives in the T-for-H Exchage Reaction and the Application to the Estimation of the Reactivity of Unknown Nicotinic Acid Derivatives"},{"@language":"ja","@value":"T-for-H交換反応における各種ピリジン誘導体の速度論的反応解析と未知のニコチン酸誘導体の反応性推定への応用"},{"@language":"ja-Kana","@value":"T-for-H コウカン ハンノウ ニ オケル カクシュ ピリジン ユウドウタイ ノ ソクドロンテキ ハンノウ カイセキ ト ミチ ノ ニコチンサン ユウドウタイ ノ ハンノウセイ スイテイ エ ノ オウヨウ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"<i>In order to quantitatively evaluate the influence of tritium</i>(<sup>3</sup>H<i> or </i>T)<i> in ecosystem and the reactivity of materials having H atoms, the hydrogen isotope exchange reaction</i>(T<i>-for-</i>H<i> exchange reaction</i>)<i> between 6-Chloronicotinic Acid</i>(<i>or 5,6-Dichloronicotinic Acid</i>)<i> and HTO vapor was observed at 50-70</i>℃<i> in the gas-solid system. Applying the A\"-McKay plot method to the data obtained in the reaction, the rate constants of the functional groups in each material were obtained. Comparing these constants, following four matters have been found in the </i>T<i>-for-</i>H<i> exchange reaction. </i>(<i>1</i>)<i>With regard to pyridine derivative, the reactivity of carboxyl groups depends on the number and position of chloro groups;</i>(<i>meta-position and para-position of chloro groups</i>)<i>:</i>(<i>para-position of chloro groups and meta-position of hydrogen</i>)<i>:</i>(<i>meta-position and para-position of hydrogen)=1.9:1.5:1.0. </i>(<i>2</i>)<i>The reactivity of the unknown nicotinate derivatives can be obtained by applying the Hammett plot obtained in this work. </i>(<i>3</i>)<i>Using the A\"-McKay plot method, the reactivity of each functional group can be obtained nondestructively, quantitatively, and be analyzed without using any masking reagent. </i>(<i>4</i>)<i>The method used in this work may be useful to determine the reactivity of the functional groups in similar materials.</i>"},{"@language":"ja","@value":"トリチウム(<sup>3</sup>H又はT)が環境中に及ぼす影響と水素を含む化合物との反応性を定量的に評価するために，6-Chloronicotinic Acid又は5，6-Dichloronicotinic AcidとHTO蒸気との間の水素同位体交換反応(T-for-H交換反応)を，50～70℃の温度範囲で固―気系で観測した。得られたデータに<i>A</i>\"-McKayプロット法を適用することで，この反応における各官能基の速度定数(<i>k</i>)を求めた。これらの<i>k</i>を相互比較した結果，以下のことが明らかになった。(1) ピリジン誘導体においてCOOH基の反応性はCl基の数や位置の違いに依存しており，次のようになった；(<i>m</i>-位及び<i>p</i>-位のCl基)：(<i>p</i>-位のCl基)：(Cl基なし)＝1.9：1.5：1.0。(2) 未知のニコチン酸誘導体の反応性は，本研究で得られたHammettプロットを使って推定することができる。(3) <i>A</i>\"-McKayプロット法を使うことで，官能基を持つ物質においてTの挙動をマスク剤なしで非破壊的，定量的に解析することができる。(4) 本研究で用いられた手法は，物質における官能基の反応性を求めるための手法として役立つことが期待される。"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410009222469649285","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000258086588"}],"foaf:name":[{"@language":"en","@value":"AOTSUKA Jun"},{"@language":"ja","@value":"青塚 潤"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Chemistry and Chemical 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Naoki"},{"@language":"ja","@value":"狩野 直樹"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Chemistry and Chemical Engineering, Faculty of Engineering, Niigata University"},{"@language":"ja","@value":"新潟大学工学部化学システム工学科"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00338303"},{"@type":"EISSN","@value":"18844111"},{"@type":"ISSN","@value":"00338303"},{"@type":"NDL_BIB_ID","@value":"000000000516"},{"@type":"LISSN","@value":"00338303"},{"@type":"NCID","@value":"AN00351589"}],"prism:publicationName":[{"@language":"en","@value":"RADIOISOTOPES"},{"@language":"ja","@value":"ＲＡＤＩＯＩＳＯＴＯＰＥＳ"},{"@language":"en","@value":"RADIOISOTOPES"},{"@language":"ja","@value":"ＲＡＤＩＯＩＳＯＴＯＰＥＳ"}],"dc:publisher":[{"@language":"en","@value":"Japan Radioisotope Association"},{"@language":"ja","@value":"公益社団法人 日本アイソトープ協会"}],"prism:publicationDate":"2014","prism:volume":"63","prism:number":"6","prism:startingPage":"283","prism:endingPage":"291"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"https://niigata-u.repo.nii.ac.jp/records/2563"},{"@id":"http://id.ndl.go.jp/bib/025592414"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I025592414"},{"@id":"https://www.jstage.jst.go.jp/article/radioisotopes/63/6/63_283/_pdf"},{"@id":"http://hdl.handle.net/10191/30807"},{"@id":"https://search.jamas.or.jp/link/ui/2014261234"}],"availableAt":"2014","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=T-for-H%20exchange%20reaction","dc:title":"T-for-H exchange reaction"},{"@id":"https://cir.nii.ac.jp/all?q=A%22-McKay%20plot%20method","dc:title":"A\"-McKay plot method"},{"@id":"https://cir.nii.ac.jp/all?q=rate%20constant","dc:title":"rate constant"},{"@id":"https://cir.nii.ac.jp/all?q=gas-solid%20reaction","dc:title":"gas-solid 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