苯胺
Precursor pyridyl anilines 2 were prepared by Suzuki coupling. 前兆2吡啶备铃木苯胺偶合.
Fourteen substituted phenyl isocyanates were synthesized by reacting diphosgene with corresponding substituted anilines with the yields of 37. 以双光气和取代苯胺为原料
From readily available starting materials,isopropanol,epichlorohydrin and piperidine,six bepridil derivatives were synthesized via chlorination with SOCl_2 and condensation with substituted anilines. 目的合成苄普地尔衍生物。方法以异丙醇、环氧氯丙烷、哌啶为起始原料,反应中间体经二氯亚砜氯化后,与取代苯胺等缩合得到目标化合物。
The purpose of polymethylene polyphenyl polyamines purification system is to get rid of anilin and water.The stripping tower and drying tower are two main separation units in the system. 多胺精制系统的任务是脱除粗多胺中的苯胺和水,针对现有工艺存在的精制效果差、消耗高等问题,分别对影响汽提塔和干燥塔的因素进行了模拟分析,提出了相应的改进措施。
ZHANG Wenwei,XIN Changbo,LI Xiaohui,et al.Direct determination of phenol and anilin in environmental water by fluorescenc spectrophotometry[J].Chinese Journal of Analysis Laboratory,2000,19(5):37-39. [7]张文伟
