- 更多网络例句与联重氮亚胺相关的网络例句 [注:此内容来源于网络,仅供参考]
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Compounds 3a-3d, 4a-4d, 5a-5d, 6a-6e and 7a-7e were prepared with a new efficient method, in which the aromatic amines were diazotized with isoamyl nitrite in EtONa/EtOH under refluxing condition, and mono -, bis -and tetrakis -substituted calix [4] arenes were obtained respectively as main product by diazo-coupling in different molar ratio to calix [4] arene.
一,提出了一个有效的新方法合成含有芳香偶氮基团的杯[4]芳烃衍生物3a-3d;4a-4d;5a-5d;6a-6e和7a-7e:即在非水溶剂乙醇中用亚硝酸异戊酯,在强碱乙醇钠存在下对芳香胺进行重氮化,得到芳香重氮酸盐沉淀,过滤,然后加入杯[4]芳烃的四氢呋喃溶液,通入CO〓气体调节溶液的pH值为7-9,使其发生偶联反应。