Cyclization of 5-amino-1-aryl-1H-pyrazole-4-carbonitriles with β-dicarbonyl compounds
作者:Andrei Yu. Potapov、Dmitriy Yu. Vandyshev、Yevgeniya A. Kosheleva、Vladimir A. Polikarchuk、Mikhail A. Potapov、Khidmet S. Shikhaliev
DOI:10.1007/s10593-017-2041-9
日期:2017.2
for the preparation of new pyrazolo[3,4-b]pyridines and tetrahydropyrazolo[3,4-b]quinolinones by the reactions of 5-amino-1-aryl-1H-pyrazole-4-carbonitriles with aliphatic and cyclic 1,3-dicarbonyl compounds in the presence of anhydrous tin(IV) chloride.
已经开发了一种通过5-氨基-1-芳基-1 H-吡唑-4-腈与苯甲酸酯反应制备吡唑并[3,4- b ]吡啶和四氢吡唑并[3,4 - b ]喹啉酮的方法。在无水氯化锡(IV)存在下的脂族和环状1,3-二羰基化合物。