111491-29-3Relevant academic research and scientific papers
A direct preparation of 2-aryl-4-ethoxycarbonyl-3- pyrazolin-5-ones from aryl hydrazines
Taylor, Andrew W.,Cook, Richard T.
, p. 607 - 616 (2007/10/02)
Aryl hydrazines (1) possessing an electron-withdrawing substituent on the phenyl ring, on treatment with diethyl (ethoxymethylene)malonate in ethanolic sodium ethoxide solution, have directly afforded 2-aryl-4-ethoxy-carbonyl-3-pyrazolin-5-ones (4). Spect
