Generation of nitryl chloride from chlorotrimethylsilane-acetyl nitrate reaction: A one-pot preparation of gem-chloronitro compounds from oximes
作者:Abdulkarim H. A. Mohammed、Gopalpur Nagendrappa
DOI:10.1007/s12039-010-0091-y
日期:2010.7
chlorotrimethylsilane to give nitryl chloride, which is characterized by its UV spectrum. If it is generated in presence of ketoximes, gem-chloronitro as well as gem-chloronitroso compounds are formed in almost equal amounts, which together account for up to 80% yield. This is possibly the simplest one-pot reaction for the preparation of gem-chloronitro compounds which find several synthetic applications
而异戊亚硝酸盐发生反应与氯代三甲基硅烷,得到NOCl,异硝酸戊不会产生NO 2 Cl可硅试剂。但是,硝酸乙酰酯可以与三甲基氯硅烷成功反应,生成硝酰氯,其特征在于其紫外光谱。如果在酮肟的存在而产生,宝石-chloronitro以及宝石-chloronitroso化合物形成在几乎相等的量,合计占高达80%的产率。这可能是制备宝石-氯硝基化合物的最简单的一锅法,该方法发现了几种合成应用。如果NO 2在环烯烃的存在下生成Cl,得到相应的1,2-二氯环烷烃。考虑到现有的证据,提出最初由氯代三甲基硅烷-乙酰硝酸盐反应形成的NO 2 Cl分解为Cl 2和N 2 O 4。然后,氯与肟反应生成第一种宝石-氯亚硝基化合物,然后被NO 2 Cl或N 2 O 4氧化成宝石-氯亚硝基化合物,再与环烯烃一起生成二氯环烷烃。