Kinetics; byproducts: C4H8, H2; thermolysis under static conditions, 171.6, 185.7, 199.6, or 210.5°C; reaction monitoring by pressure measurement;

n-butyllithium 1.) hexane, THF, 0 deg C, 30 min, 2.) THF, 0 deg C, 30 min; 0 deg C -> room temperature; Yield givenMultistep reaction;