反应详情

1,2-dibenzoylethane (4.76 g), aminoguanidine bicarbonate (5.45 g), and concentrated hydrochloric acid (3.33 mL) were heated in 50% ethanol (60 mL) for 24 hr. Cooling, concentration and filtration gave 4.3 g of 2,2'-(1,4-diphenyl-1,4-butanediylidene)bis(hydrazinecarboximidamide)dihydrochloride, mp 285°-6° C.

1. temperatureCooling
2. concentrationconcentration and filtration