Reaction of several ?-silyl acetylenic ketones with hexamethyldisilathiane (HMDST) in the presence of TfOTMS affords a simple and direct entry to silylated acetylenic thioketones and, after desilylation, to the corresponding unsubstituted ?,?-unsaturated thioketones. The procedure similarly affords the first synthesis of an acetylenic thioaldehyde
The first synthesis of alpha-beta acetylenic thioketones and thioaldehydes
Mordini Alessandro;Reginato Gianna
1999
Abstract
Reaction of several ?-silyl acetylenic ketones with hexamethyldisilathiane (HMDST) in the presence of TfOTMS affords a simple and direct entry to silylated acetylenic thioketones and, after desilylation, to the corresponding unsubstituted ?,?-unsaturated thioketones. The procedure similarly affords the first synthesis of an acetylenic thioaldehydeFile in questo prodotto:
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