Diphenyldiaza-18-krone-6-bis-pyrazoliden-acetonitril, ein neuer Chromoionophor Synthesen mit Nitrilen, 90.Mitt.

Article abstract of DOI:10.1007/BF00816852

An improved synthesis of 7,16-diphenyl-1,4,10,13-tetraoxa-7,16-diaza-cyclooctadecan (5) is presented and the reaction with 4-dicyanomethylene-3-methyl-1-phenyl-2-pyrazolin-5-on to the colorless adduct 6 described.By heating or photolysis 6 can be converte