Silicon—nitrogen bond cleavage in N-(dimethylimidosilylmethyl)imides and dimethyl(lactamomethyl)aminosilanes with BF3 etherate as an alternative route to N-(dimethylf luorosilylmethyl)imides and related compounds |
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| Authors: | A G Shipov E P Kramarova T P Murasheva O B Artamkina Vad V Negrebetskii Yu I Baukov S A Pogozhikh Yu E Ovchinnikov M G Voronkov A R Bassindale P G Taylor |
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| Institution: | (1) Russian State Medical University, 1 ul. Ostrovityanova, 117997 Moscow, Russian Federation;(2) Novosibirsk State Pedagogical University, 28 ul. Vilyuiskaya, 630126 Novosibirsk, Russian Federation;(3) A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 ul. Favorskogo, 664033 Irkutsk, Russian Federation;(4) Chemistry Department, Open University, Walton Hall, Milton Keynes, MK7 6AA, UK |
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| Abstract: | N-(Dimethylfluorosilylmethyl)succinimide (2a) and N-(dimethylfluorosilylmethyl)phthalimide (2b) were synthesized by the Si—N bond cleavage in readily accessible N-(dimethylimidosilylmethyl)imides with BF3 etherate. Analogously, (O→Si)-chelated 1-(dimethylfluorosilylmethyl)-2-pyrrolidone was prepared from 1-(dimethylmorpholinosilylmethyl)-2-pyrrolidone.
X-ray diffraction study demonstrated that the silicon atom in the crystals of 2b is pentacoordinated.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 3, pp. 558–561, March, 2006. |
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| Keywords: | boron trifluoride etherate Si— N bond cleavage pentacoordinate silicon compounds intramolecular coordination X-ray diffraction study |
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