Rection of 2-bromo-1-ethoxybicyclo[2,2,2]-octane (1b) with t-butyl-lithium at low temperature afforded 1-ethoxybicyclo[2,2,2]oct-2-yl-lithium (1a); above 0°(1a) slowly eliminated lithium ethoxide with formation of lthe anti-Bredt olefin bicyclo[2,2,2]oct-1-ene (4) which was trapped by t-butyl-lithium
H. H. Grootveld, C. Blomberg and F. Bickelhaupt, J. Chem. Soc., Chem. Commun., 1973, 542 DOI: 10.1039/C39730000542
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