Art

J-GLOBAL ID：200902232285633966   Reference number：09A0154238

Palladium-catalyzed Decarboxylative [4+1] Cyclization of γ-Methylidene-δ-valerolactones with Isocyanides

γ-メチリデン-δ-バレロラクトンとイソシアニドのパラジウム触媒による脱炭酸[4+1]環化

Author (3)： PARK Soyoung (Dep. of Chemistry, Graduate School of Sci., Kyoto Univ.) ,  SHINTANI Ryo (Dep. of Chemistry, Graduate School of Sci., Kyoto Univ.) ,  HAYASHI Tamio (Dep. of Chemistry, Graduate School of Sci., Kyoto Univ.)
Material： Chemistry Letters  (Chem Lett)
Volume： 38  Issue： 3  Page： 204-205 (J-STAGE)  Publication year： 2009 
JST Material Number： S0742A  ISSN： 0366-7022  CODEN： CMLTAG  Document type： Article
Article type： 短報  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： *lactone ,  *aromatic isocyanide ,  *palladium catalyst ,  decarboxylation reaction ,  cyclization reaction ,  chemical synthesis ,  alicyclic compound

JST classification (3)： Cyclization reaction,ring-opening reaction  (CF02050I) ,  Cyclopentanes  (CF04040L) ,  Catalytic reactions(homogeneous system)  (CB06090Q)

Substance index (15)： 2-Oxo-3-phenyl-5-methylenetetrahydro-2H-pyran-3-carboxylic acid methyl ester ,  2-(2-Acetoxyphenyl)-2-azaethene-1-ylideneradical ,  1-Methyl-3-(2-acetoxyphenylimino)-4-phenylcyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2-acetoxyphenylimino)-4-(4-methoxyphenyl)cyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2-acetoxyphenylimino)-4-(4-methylphenyl)cyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2-acetoxyphenylimino)-4-(3-methylphenyl)cyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2-acetoxyphenylimino)-4-(2-naphthyl)cyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2-acetoxyphenylimino)-4-(3-thienyl)cyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2-methylphenylimino)-4-phenylcyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2-tert-butylphenylimino)-4-phenylcyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(2,6-dimethylphenylimino)-4-phenylcyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-[2-[2-(methoxycarbonyl)vinyl]phenylimino]-4-phenylcyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(4-methoxyphenylimino)-4-phenylcyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-(benzylimino)-4-phenylcyclopentene-4-carboxylic acid methyl ester ,  1-Methyl-3-oxo-4-(3-thienyl)cyclopentene-4-carboxylic acid methyl ester

Reference (40)：

• 1) a) T. Shibata, Adv. Synth. Catal. 2006, 348, 2328.
•  b) S. E. Gibson, N. Mainolfi, Angew. Chem., Int. Ed. 2005, 44, 3022.
•  c) S. Laschat, A. Becheanu, T. Bell, A. Baro, Synlett 2005, 2547.
•  d) K. H. Park, Y. K. Chung, Synlett 2005, 545.
• 2) a) N. Chatani, A. Kamitani, M. Oshita, Y. Fukumoto, S. Murai, J. Am. Chem. Soc. 2001, 123, 12686.

Terms in the title (5)： δ-バレロラクトン ,  イソシアニド ,  パラジウム触媒 ,  脱炭酸 ,  環化