(+/-)-2-Methylamino-6-di-n-propylamino-5,6,7,8-tetrahydroquinazoline 、
N.N-Di-n-propyl-2-cyclohexanon 、
三甲胺 、 N-methylguanidine hydrochloride tris-(dimethylamino)methane 以Five hundred mg of starting 4-di-n-propylaminocyclohexanone gave 306 mg of a brown oil的产率得到4-di-n-propylaminocyclohexanone