2,2'-azo-bisisobutyronitrile in toluene byproducts: CH2CH(CH2)3CH3, C5H9CH3, C6H12; 6-bromo-1-hexene and azobisisobutyronitrile (catalyst) were added to soln. of Sn hydride in toluene under Ar; mixt. was refluxed for 3 h; distd.; chromd.;

in tetrachloromethane 1h reflux;

in toluene reflux, 7 h;

1: diethyl ether; benzene View Scheme

235°C, 13 h;

NaHSO3; NaOH; HCl in diethyl ether NaHSO3, 10percent NaOH, 10percent HCl;