Synthesis of fluorinated 2(3)-arylhydrazones of 1,2,3-tri(1,2,3,4-tetra)carbonyl compounds and their heterocyclization reactions
作者:Y.V. Burgart、A.S. Fokin、O.G. Kuzueva、O.N. Chupakhin、V.I. Saloutin
DOI:10.1016/s0022-1139(98)00247-4
日期:1998.11
New fluorinated 2-arylhydrazones of 1,2,3-triketones, 2-arylhydrazone-1,2,3-diketo esters and 3-arylhydrazone-1,2,3,4-triketo esters have been prepared by the coupling of fluorine-containing 1,3-keto esters, 1,3-diketones, acyl(aroyl)pyruvic esters and their chelates with aryldiazonium chlorides. The arylhydrazones react with hydrazine hydrate, phenylhydrazine, thiosemicarbazide and hydroxylamine to
1,2,3-三酮,2-芳基hydr-1,2,3-二酮酯和3-芳基--1,2,3,4-三酮酯的新的氟化2-芳基nes酮已通过氟-偶合而制备。含有1,3-酮酯,1,3-二酮,酰基(芳酰基)丙酮酸酯及其螯合物与芳基重氮氯化物。芳基azo与水合肼,苯肼,硫代氨基脲和羟胺反应生成相应的吡唑和异恶唑衍生物。3-芳基hydr-1,2,3,4-二酮酯与邻苯二胺的相互作用产生喹喔啉产物。具有五氟苯基取代基的芳基azo的分子内环化反应导致肉桂酮衍生物。