Chemistry of iminofurans: XIV. Ring opening of 5-substituted furan-2,3-dione 3-benzoylhydrazones by the action of aromatic and heterocyclic amines
作者:M. A. Kiselev、N. M. Igidov、I. N. Chernov、Yu. S. Toksarova、A. E. Rubtsov
DOI:10.1134/s1070428017060173
日期:2017.6
Reactions of 5-aryl- and 5-tert-butyl-3-(benzoylhydrazinylidene)furan-2,3-diones with aromatic and heterocyclic amines afforded 4-aryl-2-(benzoylhydrazinylidene)-4-oxobutanamides and 5,5-dimethyl-2-(benzoylhydrazinylidene)-4-oxohexanamides which exist in solution as mixtures of hydrazone and cyclic dihydropyrazole tautomers.
5-芳基-和5-叔丁基-3-(苯甲酰基肼基亚基)呋喃-2,3-二酮与芳族和杂环胺的反应得到4-芳基-2-(苯甲酰基肼基亚基)-4-氧代丁酰胺和5,5-二甲基-2-(苯甲酰基肼基亚烷基)-4-氧杂六酰胺以solution和环状二氢吡唑互变异构体的混合物形式存在于溶液中。