New (E)-styryl-alkynylsubstituted silicon compounds having the generalized formula 1 and A new method of obtaining (E)-styryl-alkynylsubstituted silicon compounds having the generalized formula 1.
A denotes: phenylmethylsilyl, 1,4-bis(dimethylsilyl)benzene, 1,2-bis(dimethylsilyl)ethane, 1,1,3,3-tetramethyldisilazane, 1,1,3,3-tetramethyldisiloxane, R′ denotes: tri(isopropyl)silyl, 1-pentyl, 2-(trimethylsiloxy)-2-butyl, 1-(trimethylsiloxy)-1-cyclohexyl, triethylgermyl, R′ denotes: H or Cl and when A denotes phenylmethylsilyl then R″ denotes also methyl or a methoxy group. A method of obtaining (E)-styrylalkynylsubstituted silicon compounds having the generalized formula 1 where A, R′ and R″ denote the same as stated above by way of a silylative coupling reaction between a suitable substituted styrene and a suitable vinyl-alkynylsubstituted silicon compound in the presence of a ruthenium(II) complex as catalyst.
具有广义式1的新型(E)-styryl-炔基取代
硅化合物和一种获得广义式1的新方法。其中A表示:苯甲基
硅烷基,1,4-双(二甲基
硅基)苯,1,2-双(二甲基
硅基)
乙烷,1,1,3,3-
四甲基二硅氮烷,1,1,3,3-四甲基二
硅氧烷,R'表示:三(异丙基)
硅基,1-戊基,2-(三甲基
硅氧基)-2-丁基,1-(三甲基
硅氧基)-1-环己基,三乙基
锗基,R'表示:H或Cl,当A表示苯甲基
硅烷基时,R"还表示甲基或甲氧基。一种获得广义式1的(E)-styryl炔基取代
硅化合物的方法,其中A,R'和R"与上述相同,通过在
铑(II)配合物催化剂存在下,在适当的取代
苯乙烯和适当的
乙烯基-炔基取代
硅化合物之间进行
硅基偶联反应得到。