The Huisgen zwitterion, generated from triphenylphosphine and dialkyl azodicarboxylates, afforded upon reaction with diaryl ketones both mono- and bis(alkoxycarbonyl)hydrazones, depending on the reaction conditions.
根据反应条件,由
三苯基膦和偶氮二
羧酸二烷基酯生成的 Huisgen 两性离子在与单和双(烷氧基羰基)腙的二芳基酮反应时得到。