Ketene organoelement derivatives. Synthesis of bis(l-R-2-oxovinyl)silanes and germanes (R = SiMe3, GeMe3, SnMe3)статья
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Дата последнего поиска статьи во внешних источниках: 16 апреля 2014 г.
Аннотация:Earlier unknown 1,3-bisketene organoelement derivatives RMeE(C(E 'Me-3)=C=O)(2) (E = Si, Ge; E' = Si, Ge, Sn) have been synthesized by the reaction of bis(alkoxyethynyl)silanes and -germanes with Me3E'Hal. Bis(1-trimethylsilyl-2-oxovinyl)silane is also formed by the reaction of trimethylsilyl- and (dimethylsilylene)bisketenes with dimethylsilylene bistriflate and trimethylsilyl triflate, respectively. Addition of nucleophiles to the ketene fragment of compounds synthesized has been studied.