Esters as Acylating Reagent in a Friedel−Crafts Reaction: Indium Tribromide Catalyzed Acylation of Arenes Using Dimethylchlorosilane
作者:Yoshihiro Nishimoto、Srinivasarao Arulananda Babu、Makoto Yasuda、Akio Baba
DOI:10.1021/jo801914x
日期:2008.12.5
The Friedel-Craftsacylation of arenes with esters by dimethylchlorosilane and 10 mol % of indium tribromide has been achieved. The key intermediate RCOOSi(Cl)Me(2) is generated from alkoxy esters with the evolution of the corresponding alkanes. The scope of the alkoxy ester moiety was wide: tert-butyl, benzyl, allyl, and isopropyl esters were successful. In addition, we demonstrated the direct synthesis
[EN] ARYL GLUCOSIDE DERIVATIVE AND USE THEREOF IN DRUG<br/>[FR] DÉRIVÉ D'ARYLGLUCOSIDE ET SON UTILISATION DANS UN MÉDICAMENT<br/>[ZH] 芳基葡糖苷衍生物及其在药物中的用途
Catalytic regioselective Friedel-Crafts acylation of an array of anisoles/arenes with various acid chlorides using 5-20 mol % of magnetic nanopowder CuFe2O4 is reported. Unlike the conventional Friedel-Crafts reactions, which are catalyzed by moisture sensitive homogeneous catalysts/promoters, the nanopowder CuFe2O4 catalyst is moisture insensitive and the product/ketone-catalyst isolation is easily achieved using the magnetic properties of CuFe2O4. (C) 2013 Elsevier Ltd. All rights reserved.
Pozdnyakovich, Yu. V.; Borodovitsyn, V. V.; Borodovitsyna, T. I., Journal of Organic Chemistry USSR (English Translation), 1983, p. 349 - 353
作者:Pozdnyakovich, Yu. V.、Borodovitsyn, V. V.、Borodovitsyna, T. I.、Sysa, V. M.、Shein, S. M.