... C The Chemical Society of Japan 1980 PREPARATION OF PERALKYLCYCLOPENTASILANES, [R2Si]51) Hamao WATANABE, Tsutomu MURAOKA, Yasuhiro KOHARA, and Yoichiro NAGAI Department of Applied Chemistry, Faculty of Engineering, Gunma University Kiryu, Gunma 376 Peralkylcyclopentasilanes [R2Si]5 (where R=Et, Pr, Bu and i-Bu) ... Page 2. 736 Chemistry Letters, 1980 Table 1 Reactions of dialkyldichlorosilanes with lithiuma ...