論文 - 岡本　秀毅

Detection and thermal properties of 1,4-Difluorobenzene-naphthoquinone Biplanemer: A new longicyclic π system 査読

Masaru Kimura, Koji Sirasu, Hideki Okamoto, Kyosuke Satake, Shiro Morosawa

Tetrahedron Letters   33 ( 46 )   6975 - 6978   1992年11月

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

9,10-difluorotetracyclo[6.4.21,8.29,12.02,7]hexadeca-2,4,6,10,13,15-hexaene-3, 6-dione is thermally labile and shows a notably clear, long wave-length CT absorption. © 1992.

DOI： 10.1016/S0040-4039(00)60910-3

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The Base-Catalyzed H/D-Exchange of Anisole Moiety of Ruthenium Complex in Cooperation with Demethylation by Hydroxide Anion in Methanol-d₄

Kimura Masaru, Morita Mitsunobu, Mitani Hideo, Okamoto Hideki, Satake Kyosuke, Morosawa Shiro

Bulletin of the Chemical Society of Japan   65 ( 9 )   2557 - 2559   1992年

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記述言語：英語   出版者・発行元：公益社団法人 日本化学会  

[Ru(η⁵-C₅H₅)(η⁶-arene A)]BF₄ (arene A = nitrobenzene, m- or p-nitrotoluene, anisole, phenetole, m- or p-methylanisole) were quantitatively converted to pure [Ru(η⁵-C₅H₅)(η⁶-arene B)]BF₄ (arene B = phenoxido-2d m- or p-monodeuterated methylphenoxido) in the presence of excess KOH in CD₃OD, whereas [Ru(η⁵-C₅H₅)(η⁶-anisole)] BF₄ was quantitatively obtained by treatment [Ru(η⁵-C₅H₅)(η⁶-nitrobenzene)] BF₄ with 1 equivalent KOH or CH₃OK.

DOI： 10.1246/bcsj.65.2557

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Synthesis and characterization of 2H-, 3H- and 4H-azepine: The first observation of the thermal distribution equilibrium of azepines 査読

Kyosuke Satake, Ryoichi Okuda, Michiaki Hashimoto, Yasushi Fujiwara, Izumi Watadani, Hideki Okamoto, Masaru Kimura, Shiro Morosawa

Journal of the Chemical Society, Chemical Communications   ( 17 )   1154 - 1156   1991年

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Demethoxycarbonylation of methyl 2,5,-di-tert-butyl-1H-azepine-1- carboxylate using 1,8-diazabicyclo[5.4.0]undec-7-ene gives exclusively two isomers of 3H-azepine derivatives, while methyl 3,6-di-tert-butyl-1H-azepine-1- carboxylate gives a mixture of 2H-, 3H- and 4H-azepine derivatives under the same conditions because of a 1,5-hydrogen shift in the resulting triene system.

DOI： 10.1039/C39910001154

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A Desirable Route to Heterodimers of 1,4-Dihalobenzenes and Anthracene and Their Photoproperties and Thermal Properties 査読

Masaru Kimura, Hideki Okamoto, Hisatoshi Kura, Ayumi Okazaki, Eiji Nagayasu, Kyosuke Satake, Shiro Morosawa, Masayoshi Fukazawa, Hamzer Abdel-Halim, D. O. Cowan

Journal of Organic Chemistry   53 ( 17 )   3908 - 3911   1988年8月

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Electronic oxidative bisdecarboxylation of photoadducts of 2,5-dihalo-1,2-dihydrophthalic anhydride and anthracene gave the corresponding energy-rich heterodimers 12 and 13. The quantum yields of the formation of the excited anthracene from 12 and 13 by the irradiation of 280-nm light were 0.65 and 0.25, respectively. We assumed that the heterodimers of 12 and 13 form biradicaloid intermediates during thermal retro [4πs + 4πs] cycloaddition and consumed their stored energy without any visible light. However, we observed emission light from 340 to 460 nm through a glass filter and the formation of anthracene using Nd-YAG laser IR light (1.06 μm) by the multiphoton absorption, when fine powders of 12 and 13 were used. © 1988, American Chemical Society. All rights reserved.

DOI： 10.1021/jo00252a004

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Synthesis and photochemistry of 3, 6-difluoro-10,11-benzopentacyclo-[6,4,0.0<sup>2.7</sup>,0<sup>3.12</sup>.0<sup>6.9</sup>]dodeca-4,10-diene 査読

Masaru Kimura, Hisatoshi Kura, Kastumi Nukada, Hideki Okamoto, Kyosuke Satake, Shiro Morosawa

Journal of the Chemical Society, Perkin Transactions 1   ( 12 )   3307 - 3310   1988年

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

9,12-Difluoro-and 9,12-dichlorotetracyclo[6.4.2.2&lt
sup&gt
9.12&lt
/sup&gt
.0&lt
sup&gt
2.7&lt
/sup&gt
] hexadeca-2,4,6,13,15-pentaene-10,11 -dicarboxylic anhydrides (2a) and (2b) were prepared by 4π&lt
inf&gt
s&lt
/inf&gt
+ 4π&lt
inf&gt
s&lt
/inf&gt
is photocycloaddition between cis-3,6-difluoro-or cis-3,6-dichloro-1,2-dihydrophthalic anhydride and naphthalene, respectively. 12, 15-Difluoro-and 12, 15-dichlorohexacyclo [8.6.0.0&lt
sup&gt
2.15&lt
/sup&gt
.0&lt
sup&gt
3.8&lt
/sup&gt
.0&lt
sup&gt
9.12&lt
/sup&gt
.0&lt
sup&gt
11.16&lt
/sup&gt
] hexadeca-3,5,7-triene-13,14-dicar-boxylic anhydrides (6a) and (6b) were obtained by 2π&lt
inf&gt
s&lt
/inf&gt
+ 2π&lt
inf&gt
s&lt
/inf&gt
is intramolecular photocycloaddition of adducts (2a) and (2b), respectively. 12,15-Difluorohexacyclo[8.6.0.0&lt
sup&gt
2.15&lt
/sup&gt
.0&lt
sup&gt
3.8&lt
/sup&gt
.0&lt
sup&gt
9.12&lt
/sup&gt
.0&lt
sup&gt
11.16&lt
/sup&gt
]hexadeca-3,5,7,13-tetraene (7a) has been synthesized by the electro-oxidative decarboxylation of anhydride (6a) and the excited singlet naphthalene has been observed on irradiation of adduct (7a), and is presumably formed via an adiabatic pathway. © 1988, The Royal Society of Chemistry.

DOI： 10.1039/P19880003307

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