title: [Gas phase reaction of ethylenediamine and propyleneglycol in the reactor packed with alumina catalyst-search for optimum reaction conditions of methyliperazine yield by experimental design (author's transl)].
mesh_terms: D000535:Aluminum; D002384:Catalysis; D005029:Ethylenediamines; D008722:Methods; D010879:Piperazines / Q000138:chemical synthesis*; D011409:Propylene Glycols
chemical_list: D005029:Ethylenediamines; D010879:Piperazines; D011409:Propylene Glycols; D000535:Aluminum