Hydrosilylation reactions of tetramethyldisilazanes and their derivatives

被引:5
作者
Rasul, T [1 ]
Son, DY [1 ]
机构
[1] So Methodist Univ, Dept Chem, Dallas, TX 75275 USA
关键词
hydrosilylation; silazane; polymerization;
D O I
10.1016/S0022-328X(02)01448-1
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Hydrosilylation between 1,1,3,3-tetramethyldisilazane (A) and 1,3-divinyl-1,1,3,3-tetramethyldisilazane (B) occurs rapidly at 90 degreesC in the presence of Karstedt's catalyst to give a product mixture consisting mainly of large macrocycles. Deprotonation-substitution reactions of these macrocycles were largely unsuccessful. Trimethylsilylated and methylated derivatives of A and B were prepared and used in hydrosilylation reactions. High-yield formation of large macrocycles was observed when the trimethylsilylated or methylated derivative of B was reacted with unmodified A. The methylated product was successfully deprotonated and functionalized with trimethylsilyl groups. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:115 / 119
页数:5
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