di n propylamine diisopropylamine di n butylamine diisobutylamine di sec butylamine dipentylamine dicyclopentylamine dihexylamine dicyclohexylamine diheptylamine dioctylamine dinonylamine didecylamine didodecylamine dicetylamine n n dimethylmethylenediamine n n dimethylethylenediamine and n n dimethyltetraethylenepentamine examples of suitable tertiary aliphatic amines include trimethylamine triethylamine tri n propylamine triisopropylamine tri n butylamine triisobutylamine tri sec butylamine tripentylamine tricyclopentylamine trihexylamine tricyclohexylamine triheptylamine trioctylamine trinonylamine tridecylamine tridodecylamine tricetylamine n n n u2032 n u2032 tetramethylmethylenediamine n n n u2032 n u2032 tetramethylethylenediamine and n n n u2032 n u2032 tetramethyltetraethylenepentamine examples of suitable mixed amines include dimethylethylamine methylethylpropylamine benzylamine phenethylamine and benzyldimethylamine examples of suitable aromatic and heterocyclic amines include aniline derivatives e g aniline n methylaniline n ethylaniline n propylaniline n n dimethylaniline 2 methylaniline 3 methylaniline 4 methylaniline ethylaniline propylaniline trimethylaniline 2 nitroaniline 3 nitroaniline 4 nitroaniline 2 4 dinitroaniline 2 6 dinitroaniline 3 5 dinitroaniline and n n dimethyltoluidine diphenyl p tolyl amine methyldiphenylamine triphenylamine phenylenediamine naphthylamine diaminonaphthalene pyrrole derivatives e g pyrrole 2h pyrrole 1 methylpyrrole 2 4 dimethylpyrrole 2 5 dimethylpyrrole and n methylpyrrole oxazole derivatives e g oxazole and isooxazole thiazole derivatives e g thiazole and isothiazole imidazole derivatives e g imidazole 4 methylimidazole and 4 methyl 2 phenylimidazole pyrazole derivatives furazan derivatives pyrroline derivatives e g pyrroline and 2 methyl 1 pyrroline pyrrolidine derivatives e g pyrrolidine n methylpyrrolidine pyrrolidinone and n methylpyrrolidone imidazoline derivatives imidazolidine derivatives pyridine derivatives e g pyridine methylpyridine ethylpyridine propylpyridine butylpyridine 4 1 butylpentyl pyridine dimethylpyridine trimethylpyridine triethylpyridine phenylpyridine 3 methyl 2 phenylpyridine 4 tert butylpyridine diphenylpyridine benzylpyridine methoxypyridine butoxypyridine dimethoxypyridine 1 methyl 2 pyridine 4 pyrrolidinopyridine 1 methyl 4 phenylpyridine 2 1 ethylpropyl pyridine aminopyridine and dimethylaminopyridine pyridazine.