... 591-594, 1980. C The Chemical Society of Japan 1980 A CONVENIENT ROUTE TO SYMMETRIC 1,1-DIALKYLETHENES FROM 1,2-DIMETHOXYETHENYLLITHIUM AND TRIALKYLBORANES Toshinobu YOGO and Akira SUZUKI* Faculty of Engineering, Hokkaido University, Sapporo 060 1,1-Dialkylethenes are prepared from 1,2-dimethoxyethenyllithium and ... (4) Page 3. Chemistry Letters, 1980593 Table 1. Synthesis of Symmetric 1,1-Dialkylethenes ...