Art

J-GLOBAL ID：201002252261660662   Reference number：10A0379840

Enantioselective α-Fluorination and Chlorination of β-Ketoesters by Cobalt Catalyst

コバルト触媒によるβ-ケトエステルのエナンチオ選択的α-フッ素化及び塩素化

Author (5)： KAWATSURA Motoi (Dep. of Chemistry and Biotechnology, Graduate School of Engineering, Tottori Univ.) ,  HAYASHI Shunsuke (Dep. of Chemistry and Biotechnology, Graduate School of Engineering, Tottori Univ.) ,  KOMATSU Yuji (Dep. of Chemistry and Biotechnology, Graduate School of Engineering, Tottori Univ.) ,  HAYASE Shuichi (Dep. of Chemistry and Biotechnology, Graduate School of Engineering, Tottori Univ.) ,  ITOH Toshiyuki (Dep. of Chemistry and Biotechnology, Graduate School of Engineering, Tottori Univ.)
Material： Chemistry Letters  (Chem Lett)
Volume： 39  Issue： 5  Page： 466-467 (J-STAGE)  Publication year： 2010 
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： *transition metal catalyst ,  cobalt complex ,  keto ester ,  stereoselectivity ,  *fluorination ,  *chlorination (chemical reaction) ,  asymmetric reaction ,  diamine ,  aromatic carboxylic acid ,  aliphatic ketone ,  diketone ,  *cobalt catalyst ,  enantioselectivity ,  Salens

JST classification (2)： Catalytic reactions(homogeneous system)  (CB06090Q) ,  Addition reaction,elimination reaction  (CF02030M)

Substance index (17)： Acetylacetone ,  Trifluoromethanesulfonic acid chloride ,  2-Oxocyclopentanecarboxylic acid ethyl ,  1-Fluoro-2-oxocyclopentane-1α-carboxylic acid ethyl ester ,  Pybox ,  N,N′-Bis(3,5-ditert-butylsalicylidene)cyclohexane-1β,2α-diamine ,  Methy 2-oxocyclopentanecarboxylate ,  2-Oxocyclopentanecarboxylic acid tert-butyl ester ,  Methyl 2-oxocyclohexanecarboxylate ,  2-Oxocyclohexanecarboxylic acid ethyl ,  2-Oxocycloheptanecarboxylic acid methyl ester ,  1-Fluoro-2-oxocyclopentane-1α-carboxylic acid methyl ester ,  1-Fluoro-2-oxocyclopentane-1α-carboxylic acid tert-butyl ester ,  (R)-1β-Fluoro-2-oxo-1-cyclohexanecarboxylic acid methyl ester ,  1-Fluoro-2-oxocyclohexane-1α-carboxylic acid ethyl ester ,  (R)-1-Fluoro-2-oxocycloheptane-1-carboxylic acid methyl ester ,  (R)-1β-Chloro-2-oxo-1-cyclopentanecarboxylic acid methyl ester

Reference (22)：

• 1) a) B. E. Smart, J. Fluorine Chem. 2001, 109, 3.
•  b) J.-A. Ma, D. Cahard, Chem. Rev. 2004, 104, 6119.
•  c) H. Ibrahim, A. Togni, Chem. Commun. 2004, 1147.
• 2) a) N. Shibata, T. Ishimaru, S. Nakamura, T. Toru, J. Fluorine Chem. 2007, 128, 469.
•  b) V. A. Brunet, D. O’Hagan, Angew. Chem., Int. Ed. 2008, 47, 1179.

Terms in the title (4)： コバルト触媒 ,  ケトエステル ,  フッ素化 ,  塩素化