Synthesis of<i>N</i>,<i>N</i>-Dialkyl-9-oxoacridine-10(9<i>H</i>)-carbothioamides<i>via</i>the Reaction of (2-Halophenyl)(2-isothiocyanatophenyl)methanones with Secondary Amines, Followed by Cyclization with NaH
作者:Kazuhiro Kobayashi、Kazuhiro Nakagawa、Shohei Yuba
DOI:10.1002/hlca.201300247
日期:2013.11
N‐dialkyl‐9‐oxoacridine‐10(9H)‐carbothioamides 9, is described. The method is based on the reaction of (2‐halophenyl)(2‐isothiocyanatophenyl)methanones 7, prepared from (2‐aminophenyl)(2‐halophenyl)methanones 5 by a convenient three‐step sequence, with secondary amines in DMF at room temperature to generate the corresponding thiourea derivatives 8 in situ, which are treated with NaH at 100–120° to provide
吖啶-9-(10的第1制备ħ) -酮在C(10),携带叔硫代氨基甲酰基,即,N,Ñ二烷基-9- oxoacridine-10(9 ħ)-carbothioamides 9,进行说明。该方法基于由(2-氨基苯基)(2-卤代苯基)甲基酮5通过方便的三步顺序制得的(2-卤代苯基)(2-异硫氰酸根合苯基)甲烷酮7与DMF中的仲胺在室温下反应温度,以生成相应的硫脲衍生物8原位,这是用NaH在100-120°,以提供在一锅反应中所期望的产物在通常良好的产率。