2,3,5,6-tetrafluorobenzoic acid2,3,5,6-四氟苯甲酸
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。
3)2,3,5,6-tetrafluorobenzyl alcohol2,3,5,6-四氟苯甲醇
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。
4)2,3,5,6-tetrafluorobenzonitrile2,3,5,6-四氟苯甲腈
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。
5)4–methyl–2,6–tetrafluorobenzenemethanol4-甲基-2,3,5,6-四氟苯甲醇
6)methyl 2,3,5,6-tetrafluorobenzoate2,3,5,6-四氟苯甲酸甲酯
延伸阅读
2,分子式 C5H10ClO 分子量 120.58CAS号 3282-30-2 新戊酰氯为浅黄色透明液体,沸点105-106℃,相对密度0.979,折光率n20D1.4120,熔点-56℃。 用途;新戊酰氯是匹氨西林青霉素（Pivampicillin）等重要中间体,广泛用于氨类、Schiff碱和吡啶烷酮类的N-酰化剂,也广泛用于醇、内酯和糖类的O-酰化剂。
