Reactions of perfluorobenzocycloalkenes with ethyl cyanoacetate and methyllithium and some transformations of the products
作者:V. R. Sinyakov、Ya. V. Zonov、V. M. Karpov、I. V. Beregovaya、V. E. Platonov
DOI:10.1134/s1070428013070099
日期:2013.7
Reactions of perfluorobenzocycloalkenes (ArFF) with methyllithium and ethyl cyanoacetate involved replacement of fluorine atoms in positions 3 and 4 of perfluorocyclobutabenzene, position 5 of perfluoroindan, and position 6 of perfluorotetralin by CH3 and CH(CN)COOEt groups. Hydrolysis of the resulting esters ArFCH(CN)COOEt gave the corresponding perfluoroarylacetic acids ArFCH2COOH which were converted
perfluorobenzocycloalkenes(AR的反应˚F F)与位置的甲基和氰基乙酸乙酯参与置换的氟原子的3和4 perfluorocyclobutabenzene的,位置5 perfluoroindan的,和位置6 perfluorotetralin的由CH 3和CH(CN)COOEt烷基的基团。所得酯Ar F CH(CN)COOEt的水解得到相应的全氟芳族酸Ar F CH 2 COOH,通过用PCl 5处理将其转化为二氯乙酰氯Ar F CCl 2 COCl 。Ar F CCl 2的反应COCl与SbF 5一起生成三氟甲基衍生物Ar F CF 3。氩的脱羧˚F的CCl 2 COOH的DMF,得到二氯衍生物的Ar ˚F的CCl 2为h,它在加热到形式二氟甲基脑脊液反应类似物的Ar ˚F CF 2 H.