134126-91-3Relevant academic research and scientific papers
FIVE-MEMBERED 2,3-DIOXOHETEROCYCLES XVII. SYNTHESIS AND PROPERTIES OF 2-HYDRAZONO-5-ARYL-2,3-DIHYDRO-3-FURANONES
Zalesov, V. V.,Pulina, N. A.,Andreichikov, Yu. S.
, p. 1746 - 1749 (2007/10/02)
The reaction of 2-benzoylmethylenehydrazono-5-aryl-2,3-dihydro-3-furanones with o-phenylenediamine leads to 2-hydrazono-5-aryl-2,3-dihydro-3-furanones.The latter react with aldehydes and ketones with the formation of substituted 2-hydroxymethylhydrazono-5-aryl-2,3-dihydro-3-furanones, are acylated by 5-aryl-2,3-dihydrofuran-2,3-diones forming 2-aroylpyruvoylhydrazono-5-aryl-2,3-dihydro-3-furanones, and undergo recyclization in an acidic medium to 6-aryl-4-hydroxy-2,3-dihydropyridazin-3-ones.
