Radical trifluoromethylation of titanium ate enolate

被引:83
作者
Itoh, Y [1 ]
Mikami, K [1 ]
机构
[1] Tokyo Inst Technol, Dept Appl Chem, Tokyo 1528552, Japan
关键词
D O I
10.1021/ol047565a
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The radical trifluoromethylation of ketone titanium ate enolates gave alpha-CF3 ketones in good yields. The use of excess amount of LDA and Ti((OPr)-Pr-i)(4) in the preparation of titanium ate enolates is the key to the efficient radical trifluoromethylation.
引用
收藏
页码:649 / 651
页数:3
相关论文
共 45 条
[41]  
TAKAHASHI H, 1988, CHEM PHARM BULL, V36, P803
[42]   NEW METHOD FOR TRIFLUOROMETHYLATION OF ENOLATE ANIONS AND APPLICATIONS TO REGIOSELECTIVE, DIASTEREOSELECTIVE AND ENANTIOSELECTIVE TRIFLUOROMETHYLATION [J].
UMEMOTO, T ;
ADACHI, K .
JOURNAL OF ORGANIC CHEMISTRY, 1994, 59 (19) :5692-5699
[43]   POWER-VARIABLE ELECTROPHILIC TRIFLUOROMETHYLATING AGENTS - S-(TRIFLUOROMETHYL)DIBENZOTHIOPHENIUM, SE-(TRIFLUOROMETHYL)DIBENZOSELENOPHENIUM, AND TE-(TRIFLUOROMETHYL)DIBENZOTELLUROPHENIUM SALT SYSTEM [J].
UMEMOTO, T ;
ISHIHARA, S .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (06) :2156-2164
[44]   Reaction of titanate-type aldehyde enolate with ketones to provide 3-hydroxyaldehydes [J].
Yachi, K ;
Shinokubo, H ;
Oshima, K .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1999, 121 (40) :9465-9466
[45]  
YAGUPOLSKII LM, 1984, J ORG CHEM USSR, V20, P115