摘要
文章首先研究了用O3-NO2体系硝化蒽醌制备1-硝基蒽醌的反应。结果表明,由于蒽醌属难硝化物质,必须在无水甲磺酸催化下才能被硝化,但反应具有良好的位置选择性,1-硝基蒽醌产率达92.54％。文章又研究了以三乙酰丙酮基铁为催化剂,用O2-NO2体系进行硝化实验。结果表明,1-硝基蒽醌得率大大降低。因此,寻找高活性催化剂是使该新工艺产生工业价值的必要条件。
Nitration of anthraquinone was performed by a system of O3-NO2. It was shown that in the presence of anhydrous methyl sulfonic acid as a catalyst, the yield of 1-nitroanthraquinone could be as high as 92.54% and other nitroanthraquinone isomers could be kept very low due to regional selectivity of this reaction. Further experiments showed that if ferric triacetylacetone and anhydrous methyl sulfonic acid used as catalysts, ozone being replaced by oxygen, then the yield of 1-nitroanthraquinone was tremendously decreased. Therefore, an efficient and highly active catalyst has to be exploited.
出处
《染料工业》
2002年第2期41-42,15,共3页
Dyestuff Industry
