广东化工
廣東化工
엄동화공
GUANGDONG CHEMICAL INDUSTRY
2011年
12期
35-35
,共1页
2,3,5,6-四氯对苯二甲腈%2,3,5,6-四氟对苯二甲腈%氟氯交换反应
2,3,5,6-四氯對苯二甲腈%2,3,5,6-四氟對苯二甲腈%氟氯交換反應
2,3,5,6-사록대분이갑정%2,3,5,6-사불대분이갑정%불록교환반응
2%3%5%6-tetrachlorophthalonitril%2%3%5%6-tetrafluorophthalonitrile%fluorine-chlorine exchange%reaction
2,3,5,6-四氯对苯二甲腈与氟化钾在DMSO-甲苯混合溶剂中于120～130℃反应5 h,产物2,3,5,6-四氟对苯二甲腈的收率为76.5%,含量98.5%。用简便的溶剂与水共沸去水对KF和DMSO-甲苯进行无水处理,讨论了反应温度、时间等条件对反应收率的影响。
2,3,5,6-四氯對苯二甲腈與氟化鉀在DMSO-甲苯混閤溶劑中于120～130℃反應5 h,產物2,3,5,6-四氟對苯二甲腈的收率為76.5%,含量98.5%。用簡便的溶劑與水共沸去水對KF和DMSO-甲苯進行無水處理,討論瞭反應溫度、時間等條件對反應收率的影響。
2,3,5,6-사록대분이갑정여불화갑재DMSO-갑분혼합용제중우120～130℃반응5 h,산물2,3,5,6-사불대분이갑정적수솔위76.5%,함량98.5%。용간편적용제여수공비거수대KF화DMSO-갑분진행무수처리,토론료반응온도、시간등조건대반응수솔적영향。
Reacting 2,3,5,6-tetrachlorophthalonitrile with KF in DMSO-tolue at 120～30 ℃ for 5 h produced 2,3,5,6-tetrafluoroterephthalonitrile with a yield of 76.5 % and purity of 98.5 %.A simple method was used to obtain anhydrous KF and DMF-Toluene.The effect on yield of reaction temperature and time and of other conditions is discussed.
