CARBONYL AND THIOCARBONYL COMPOUNDS: I <i>a</i>. REACTION OF 9-DIAZOXANTHENE WITH <i>o</i>-QUINONES <i>b</i>. THE DIRECT PREPARATION OF HALOGENATED CYCLIC ETHERS FROM CERTAIN THIONES AND THEIR MOLLUSCICIDAL ACTIVITY
作者:Nazih Latif、Ibrahim Fathy
DOI:10.1139/v59-117
日期:1959.5.1
tetrabromo-o-benzoquinone, 4-triphenylmethyl-1,2-benzoquinone, and phenanthraquinone to give the cyclic ethers IIIa, IIIb, IV, and V respectively. The action of hydrochloric acid – dioxane solution on the products is stressed.Tetrachloro- and tetrabromo-o-benzoquinone react with xanthione forming the halogenated cyclic ethers IIIa and IIIb respectively. A 1,2-benzopyran derivative IX is obtained by the action
描述了9-重氮杂蒽的制备和性质。它与四氯-和四溴-邻-苯醌、4-三苯甲基-1,2-苯醌和菲醌反应,分别生成环醚 IIIa、IIIb、IV 和 V。强调盐酸-二恶烷溶液对产物的作用。四氯-和四溴-邻-苯醌与呫吨酮反应分别形成卤代环醚IIIa和IIIb。通过四氯-邻-醌对香豆素-2-硫酮的作用获得1,2-苯并吡喃衍生物IX。IX 在高度稀释时对 Biophalariaboissi 蜗牛有毒。