triethylamine in benzene byproducts: KCl; under moisture free condn., refluxed for 3 h, KCl filtered off, addn. of Et3NHCl in benzene to the filtrate, refluxed for 1 h; Et3NHCl filtered off, evapn. of solvent, addn. of pet. ether, kept in ice cold bath; elem. anal.;

triethylamine in benzene byproducts: KCl; under moisture free condn., refluxed for 3 h, KCl filtered off, addn. of Et3NHCl in benzene to the filtrate, refluxed for 1 h; Et3NHCl filtered off, evapn. of solvent, addn. of pet. ether, kept in ice cold bath; elem. anal.;