Chemistry of Iminofuran: XVI. Synthesis, Structure, Biological Activity, and Cyclization of 4-Oxo-2-(2-phenylaminobenzoylhydrazono)butanoic Acids
作者:I. A. Kizimovaa、N. M. Igidov、S. V. Chaschina、I. N. Chernov、A. E. Rubtsov
DOI:10.1134/s1070428019110101
日期:2019.11
The reaction of (2-phenylaminobenzoyl)hydrazine with 4-aryl-2-hydroxy-4-oxobut-2-enoic and 2-hydroxy-5,5-dimethyl-4-oxohex-2-enoic acids results in the formation of 4-aryl-2-(2-phenylaminobenzoyl-hydrazono)-4-oxobutanoic and 5,5-dimethyl-2-(2-phenylaminobenzoylhydrazono)-4-oxohexanoic acids. The products in solutions are present as mixtures of a Z,E-hydrazono form and a cyclic pyrazolinic form, and
(2-苯基氨基苯甲酰基)肼与4-芳基-2-羟基-4-氧代丁烯2-烯酸和2-羟基-5,5-二甲基-4-氧杂-2-烯酸的反应导致生成4 -芳基-2-(2-苯基氨基苯甲酰肼基)-4-氧代丁酸和5,5-二甲基-2-(2-苯基氨基苯甲酰肼基)-4-氧己酸。溶液中的产物以Z,E-肼基和环状吡唑啉的混合物形式存在,在乙酸酐的作用下,它们在5-芳基和5-叔丁基-3-(2-苯基氨基苯甲酰肼)中环化。 -呋喃-2,3-二酮。测试了4-芳基-2-(2-苯基氨基苯甲酰肼基)-4-氧代丁酸和5,5-二甲基-2-(2-苯基氨基苯甲酰肼基)-4-氧己酸的抗伤害性和抗炎活性。