Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 696, Issue 3, Pages 802-806Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2010.09.074
Keywords
Vinylbis(silanes); Organosilicon; Imine; Amine
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The Peterson olefination reaction of terephthalaldehyde with tris(trimethylsilyl) methyl lithium, (Me3Si)(3)CLi, in THF at 0 degrees C gives 4-[2,2-bis(trimethylsilyl)ethenyl]benzaldehyde (1) and 4,4-bis[2,2-bis(trimethylsilyl)ethenyl]benzene (2). The new aldehyde (1) reacts with variety of amines in ethanol to afford the corresponding imines (3) containing vinylbis(trimethylsilyl) group. The newly synthesized imines (3) can be completely converted into amines containing vinylbis(trimethylsilyl) group with an excess amount of NaBH4. In the case of N-[4-(2,2-bis(trimethylsilyl)ethenyl)benzyl]-2,6-dimethylaniline LiAlH4 was used as a reducing agent in THF. (C) 2010 Elsevier B.V. All rights reserved.
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