Pyridazines, LVIII: 1-Phenyl-1-pyridazinyl-2-substituted ethenes, synthesis and configuration
作者:Gottfried Heinisch、Wolfgang Holzer、Thierry Huber
DOI:10.1007/bf00811114
日期:1991.12
Starting from phenyl pyridazinyl ketones 1 and 3 various 1-phenyl 1-pyridazinyl-2-substituted ethenes (2 a-c, 4, 5 a, b, 6 a, b, 7-9) were prepared by Wittig-Horner- oder Wittig-type reactions. Configurational assignments of these novel compounds were achieved by NOE difference spectroscopy.