1: ethyl acetate With lithium diisopropyl amide 2: chloro-trimethyl-silane in tetrahydrofuran T=-78 - -40°C; Further stages. Title compound not separated from byproducts.;
Burkhardt, Elizabeth R.; Doney, Jeffrey J.; Slough, Greg A.; Stack, Jeffrey M.; Heathcock, Clayton H.; Bergman, Robert G.
Pure and Applied Chemistry, 1988 , vol. 60, p. 1 - 6