作者:A.S. Angeloni、D. Dal Monte、E. Sandri、G. Scapini
DOI:10.1016/s0040-4020(01)97074-7
日期:1974.1
7-hydroxy-4-nitrosobenzofurazan as well as of their 6-chloro and methyl derivatives is described and the oxime structure of these compounds is established. NMR spectra of benzofurazan-4,5-dione-4-monoxime and benzofurazan-4,7-dione-4-monoxime show evidence for an interconversion, in solution, of two monoximes, the 4,5- and 4,7-derivative prevailing in organic solvents and aqueous alkaline media, respectively
描述了5-羟基-4-亚硝基和7-羟基-4-亚硝基苯并呋喃的制备以及它们的6-氯和甲基衍生物,并确定了这些化合物的肟结构。苯并呋喃zan-4,5-二酮-4-一肟和苯并呋喃-4,7-二酮-4-一肟的NMR光谱显示了溶液中两种一元酚4,5-和4,7-衍生物相互转化的证据分别在有机溶剂和碱性水溶液中盛行。苯并呋喃-4,5-和4,7-二酮-4-一肟的氯和甲基衍生物在有机溶剂中显示出相似的相互转化。