Lewis acid-promoted alkylations of arenes and 1-trimethylsilylalkynes with β-chloro-β-thiopropanoic esters
Ethyl 3-chloro-3-(3,4-dichlorophenylthio)propanoate (8) reacted with electron-rich arenes in the presence of titanium tetrachloride to give the Friedel-Crafts products 10a-13a. Reactions of 8 with 1-trimethylsilylalkynes 14a-d were effected with aluminum chloride to afford the substitution products 15a-d. Some chemical transformations of the products are also described.
Ishibashi,Mino,Sakata,Inada,Ikeda
p. 1148 - 1151
(2007/10/02)
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