154416-81-6Relevant articles and documents
Bis(silylpropyl)arenes and their preparation methods
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, (2008/06/13)
The present invention relates to bis(silylpropyl)arenes represented by the formula I and their preparation methods by reacting aromatic compounds represented by the formula II or III with allylchlorosilanes represented by the formula IV in the presence of Lewis acid catalysts such as aluminum chloride: STR1 wherein R1 and R2 which may be the same or different represent hydrogen, chloro or --(CH2 CH2)--R3 (wherein R3 is Ph, CH2 Cl, Cn H2n CH3 (n=0-15), CF3, CH2 CF3, Si(Me)m Cl3-m (m=0-3), CN, CH2 CN, (p--Ph)--CH2 Cl or 3-cyclohexenyl group); Ar represents phenyl ring, phenoxyphenyl ring, or biphenyl ring; X1 represents hydrogen or methyl; and X2 represents hydrogen, alkyl(C1 -C4), fluoro, chloro, bromo, phenyl or phenoxy group.