反应详情

Isoprene, sec-BuLi solution (1.3 M in cyclohexane), anhydrous tetrahydrofuran (THF), pentamethyldiethylenetriamine (PMDETA), tetraethoxysilane, and 1,3-diisopropenylbenzene (1) were obtained from Aldrich Chemical Company, Milwaukee, Wis.. 1,3-bis(1-phenylethenyl)benzene (3) was obtained from the Dow Chemical Company, Midland, Mich.