1) 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。
2) 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。
3) methyl 2,3,5,6-tetrafluorobenzoate
2,3,5,6-四氟苯甲酸甲酯
4) 2,3,5,6-tetrafluoro-p-phthalic acid
2,3,5,6-四氟-1,4-苯二甲酸
5) 2,3,5,6-tetrafluoroterephthalic acid
2,3,5,6-四氟对苯二甲酸
6) 2,3,5,6-Tetrafluoro-4-hydroxy-benzoic acid
2,3,5,6-四氟-4-羟基苯甲酸
补充资料：4-氟苯甲酸
分子式: C7H5FO2
分子量: 140.11
CAS号: 456-22-4
白色晶体，密度1.479,熔点 182-184℃,微溶于冷水。可溶于热水，易溶于多数有机溶剂。 刺激眼睛、呼吸系统和皮肤；不要吸入粉尘；避免皮肤和眼睛接触。
用途： 医药、农药、染料中间体, 如用于合成抗炎消菌药和外科手术用局部麻醉剂，也用于合成有机氟杀虫剂、除草剂、植物生长调节剂等。
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