Art

J-GLOBAL ID：200902128622548567   Reference number：99A0353952

Ring Expansion of Diazo-Functionalized 4-Hydroxycyclobutenone: Catalytic Ring Opening and Recyclization to 2(5H)-Furanone/Cyclopentenedione and Thermal 4π-8π Electrocyclic Ring Opening-Closure to Diazepinedione.

ジアゾ官能基化4-ヒドロキシシクロブテノンの環拡大 2(5H)-フラノン/シクロペンテンジオンへの接触的開環,再環化およびジアゼピンジオンへの熱的4π-8π電子環状開環-閉環

Author (4)： OHNO M (Nagoya Univ., Nagoya, JPN) ,  NODA M (Nagoya Univ., Nagoya, JPN) ,  YAMAMOTO Y (Nagoya Univ., Nagoya, JPN) ,  EGUCHI S (Nagoya Univ., Nagoya, JPN)
Material： Journal of Organic Chemistry  (J Org Chem)
Volume： 64  Issue： 3  Page： 707-712  Publication year： Feb. 05, 1999 
JST Material Number： C0328A  ISSN： 0022-3263  CODEN： JOCEAH  Document type： Article
Article type： 原著論文  Country of issue： United States (USA)  Language： ENGLISH (EN)

Thesaurus term： *ring enlargement reaction ,...

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JST classification (2)： Cyclobutanes  (CF04030A) ,  Cyclization reaction,ring-opening reaction  (CF02050I)

Substance index (20)： 2-(1-Hydroxy-2-ethoxy-3-methyl-4-oxo-2-cyclobutenyl)diazoacetic acid tert-butyl ester ,  2-(1-Hydroxy-2-ethoxy-3-methyl-4-oxo-2-cyclobutenyl)diazoacetic acid ethyl ester ,  2-Methyl-3-ethoxy-4-hydroxy-4-(1-diazo-2-oxo-2-phenylethyl)-2-cyclobutene-1-one ,  2-(1-Hydroxy-2-ethoxy-3-butyl-4-oxo-2-cyclobutenyl)diazoacetic acid tert-butyl ester ,  2-(1-Hydroxy-2-ethoxy-3-phenyl-4-oxo-2-cyclobutenyl)diazoacetic acid tert-butyl ester ,  2,5-Dioxo-3-ethoxy-4-methyl-3-cyclopentene-1-carboxylic acid tert-butyl ester ,  2,5-Dioxo-3-ethoxy-4-methyl-3-cyclopentene-1-carboxylic acid ethyl ester ,  2-Benzoyl-4-ethoxy-5-methyl-4-cyclopentene-1,3-dione ,  4-Ethoxy-5-methyl-4-cyclopentene-1,3-dione ,  4-Ethoxy-5-butyl-4-cyclopentene-1,3-dione ,  4-Ethoxy-5-phenyl-4-cyclopentene-1,3-dione ,  (E)-(3-Ethoxy-4-methyl-5-oxo-2,5-dihydrofuran-2-ylidene)acetic acid tert-butyl ester ,  (Z)-(3-Ethoxy-4-methyl-5-oxo-2,5-dihydrofuran-2-ylidene)acetic acid tert-butyl ester ,  (E)-(3-Ethoxy-4-methyl-5-oxo-2,5-dihydrofuran-2-ylidene)acetic acid ethyl ester ,  (Z)-(3-Ethoxy-4-methyl-5-oxo-2,5-dihydrofuran-2-ylidene)acetic acid ethyl ester ,  3-Methyl-4-ethoxy-5-methylenefuran-2(5H)-one ,  4,7-Dihydro-4,7-dioxo-5-ethoxy-6-methyl-1H-1,2-diazepine-3-carboxylic acid tert-butyl ester ,  4,7-Dihydro-4,7-dioxo-5-ethoxy-6-methyl-1H-1,2-diazepine-3-carboxylic acid ethyl ester ,  3-Benzoyl-5-ethoxy-6-methyl-1H-1,2-diazepine-4,7-dione ,  4,7-Dihydro-4,7-dioxo-5-ethoxy-6-butyl-1H-1,2-diazepine-3-carboxylic acid tert-butyl ester

Terms in the title (8)： 官能基化 ,  環拡大 ,  開環 ,  環化 ,  π ,  π電子 ,  環状 ,  閉環