1: CH(CH2CH=CH2)(CO2Me)2 With sodium hydride in dichloromethane 2: ethylene,methyl acetate With Grubb's 2nd generation catalyst; tetrakis(triphenylphosphine) palladium(0) in dichloromethane 1 h; Heating; Further stages.;
1: CH(CH2CH=CH2)(CO2Me)2 With sodium hydride in dichloromethane 2: ethylene,methyl acetate With triphenylphosphine; palladium diacetate in dichloromethane 1 h; Heating; Further stages.;