Abstract
The feasibility of the room temperature catalytic cyclization of hydrazine hydrate and acrylic acid in the presence of an acidic catalyst containing petroleum asphaltenes was explored. The effect of sulfocationite on the synthesis of the target pyrazolidin-3-one was studied. Reaction masses and their distillation residues were analyzed. Gas chromatography–mass spectrometry and electrospray ionization were used to reveal different individual, oligomeric and polymeric products. The most probable structures of the obtained products were proposed.
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