1) 2,3,5,6-tetrafluorobenzonitrile
2,3,5,6-四氟苯甲腈
1.
While 2,3,5,6-tetrafluorobenzonitrile has great market demand as the medicine intermediate and the liquid crystal material intermediate.
2,3,5,6-四氟苯胺是一种重要的医药,农药中间体,以它为原料可以合成多种作为消炎和抗抑郁症的特效药物,具有良好的医药效果;而2,3,5,6-四氟苯甲腈则作为药物中间体和液晶材料中间体有着较大的市场需求。
2) 2,3,5,6-tetrofluoroterephthalonitrile
2,3,5,6-四氟对苯二甲腈
1.
2,3,5,6-Tetrafluorobenzoic acid was prepared from 2,3,5,6-tetrofluoroterephthalonitrile with sulfuric acid as catalyst.
0统计软件,对硫酸催化2,3,5,6-四氟对苯二甲腈合成2,3,5,6-四氟苯甲酸的工艺进行优化,通过四因素三水平正交实验,结果表明,影响收率的主要因素依次是:反应温度、催化剂用量、腈水摩尔比、反应时间。
3) 2,3,5,6-tetrafluorobenzenes
2,3,5,6-四氟甲苯
1.
Three novel side chain brominated 2,3,5,6-tetrafluorobenzenes were prepared.
研究合成了3个2,3,5,6-四氟甲苯的侧链新型溴化物,并对它们的结构进行了质谱,1HNMR,19FNMR,元素分析等表征。
4) 2,3,5,6-tetrafluorobenzoic acid
2,3,5,6-四氟苯甲酸
1.
Using 2,3,5,6-tetrafluorobenzoic acid as raw material,2,3,5,6-tetrafluorobenzonitrile was prepared by a serial reactions including acyl chlorination,amidation and dehydration.
以2,3,5,6-四氟苯甲酸为原料,经过酰氯制得酰胺后,再经脱水制得2,3,5,6-四氟苯甲腈,总收率61。
2.
2,3,5,6-Tetrafluoroaniline was prepared from 2,3,5,6-tetrafluorobenzoic acid as raw material through a series of reactions including acyl chlorination,amidation and Hofmann degradation.
以2,3,5,6-四氟苯甲酸为原料,经过酰氯制得酰胺后,再经霍夫曼降解制得2,3,5,6-四氟苯胺,总收率76。
5) 2,3,5,6-tetrafluorobenzyl alcohol
2,3,5,6-四氟苯甲醇
1.
2,3,5,6-tetrafluorobenzyl alcohol is one of the most important intermediate in synthesis of medical products and pyrethroid insecticides-transfluthrin.
2，3，5，6-四氟苯甲醇是一种重要的医药中间体，也是新型杀虫剂拟除虫菊酯——四氟菊酯的中间体，也用于农药、光敏材料和液晶材料的合成。
6) 2,3,5,6-tetrachlorophthalonitrile
2,3,5,6-四氯对苯二甲腈
1.
Reacting 2,3,5,6-tetrachlorophthalonitrile with anhydrous KF in DMF at 110℃ for 4 h produced 2,3,5,6-tetrafluoroterephthalonitrile with a yield of 71.
2,3,5,6-四氯对苯二甲腈与无水氟化钾在DMF中于110℃反应4h,产物2,3,5,6-四氟对苯二甲腈的收率为71。
补充资料：1,2,3,4-四氟苯
分子式：C6H2F4
分子量：150.08
CAS号：551-62-2
性质：无色液体。沸点95℃，熔点-42℃，闪点4℃，折光率1.4080，比重1.400。
制备方法：暂无
用途：医药、农药、液晶材料中间体。
分子量：150.08
CAS号：551-62-2
性质：无色液体。沸点95℃，熔点-42℃，闪点4℃，折光率1.4080，比重1.400。
制备方法：暂无
用途：医药、农药、液晶材料中间体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条