electrochemical catalyzed reaction of the corresponding 4-amino-3-chlorodifluoroacetyl-2-methoxyquinoline in the presence of heteroaryl aldehydes. A one-pot intramolecular zinc mediated aromatic nucleophilic substitution also gave access to novel difluorinated 5-aminodihydropyrano[2,3-b]quinolin-4-ones.
在杂芳基醛存在下,通过相应的4-氨基-3-氯二氟乙酰基-2-甲氧基喹啉的电化学催化反应,以中等收率获得了具有–CF 2 CH–(杂芳基)–OH部分的新型4-氨基喹啉。一锅分子内锌介导的芳族亲核取代也使新型二氟5-氨基二氢吡喃并[2,3 - b ]喹啉-4-酮成为可能。