Photochemical and photophysical behavior of p-methoxyphenyl-alkenyl phenanthrenecarboxylates. I. Structure and competitive formation of intramolecular cycloaddition products.
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概要
- 論文の詳細を見る
Irradiation of (<I>E</I>)-3-(<I>p</I>-methoxyphenyl)-3-pentenyl, (<I>E</I>)-4-(<I>p</I>-methoxyphenyl)-4-hexenyl, and (<I>E</I>)-5-(<I>p</I>-methoxyphenyl)-5-heptenyl 9-phenanthrenecarboxylates (B-2E, B-3E, and B-4E, respectively) in benzene gave intramolecular [2+2] cycloadducts, cyclobutane derivatives (CB-2, CB-3, and CB-4, respectively) possessing the same conformation as an intermolecular [2+2] cycloadduct (CB-0) between methyl 9-phenanthrenecarboxylate (9-MCP) and <I>trans</I>-anethole (<I>t</I>-AN), and oxetane derivatives (OX-2, OX-3, and OX-4, respectively) arising from intramolecular cycloaddition between the carbonyl group and the olefinic double bond. However, (<I>E</I>)-4-(<I>p</I>-methoxyphenyl)-3-butenyl and (<I>E</I>)-5-(<I>p</I>-methoxyphenyl)-4-pentenyl 9-phenanthrenecarboxylates (A-2E and A-3E, respectively) afforded only products derived from oxetane precursors.
- 公益社団法人 日本化学会の論文
著者
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Itoh Hiroki
Department Of Cardiology Tokyo Women's Medical University
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TOKUMARU Katsumi
Department of Chemistry, University of Tsukuba
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Sakuragi Hirochika
Department Of Chemistry University Of Tsukuba
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Tokumaru Katsumi
Department of Chemistry Faculty of Science The University of Tokyo
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Kikuchi Katsuo
Department of Chemistry Faculty of Science Tohoku University
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Caldwell R.
Department of Chemistry, The University of Texas at Dallas
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Terakawa Kohki
Department of Chemistry, Faculty of Science, Yamagata University
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Hsu Chien-Chung
Department of Chemistry, The University of Texas at Dallas
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