参考标题:A One-Step Synthesis Of 2,7-Dimethyl-5-Silaspiro[4.4]Nona-2,7-Diene And The Synthesis Of Its Derivatives 作者:Daiyo Terunuma,Satoshi Hatta,Tsunao Araki,Tadashi Ueki,Tsutomu Okazaki,Yasutaka Suzuki |发布日期:1977.6 摘要:The Double Annelation Product, I.E., 2,7-Dimethyl-5-Silaspiro[4.4]Nona-2,7-Diene (1), Was Obtained From Diethoxy-, Dipropoxy-, And Dibutoxydichlorosilane In 87.0, 65.2, And 66.5% Yields Respectively. On The Other Hand, The Reaction Of Dimethoxy- And Diethoxydichlorosilane With Butadiene And Magnesium In Thf Gave 5-Silaspiro[4.4]Nona-2,7-Diene (7) In 20.7 And 35.4% Yields Respectively. Several Silaspirononane