| 摘要 |
1. Aromatic bromopolyfluoroalkyl ethers of the formula : see diagramm : EP0052558,P6,F7 in which n is 1 or 2, R represents at least one substituent chosen from among the group comprising hydrogen, alkyl radicals having from 1 to 12 carbon atoms, the phenyl radical, alkoxy radicals having from 1 to 12 carbon atoms, the phenoxy radical and the radicals NO2 , N, Cl, F, Br, I, CF3 , CONR1 R2 and NR1 R2, where R1 and R2 , which may be identical or different, each represent a hydrogen or an alkyl radical having from 1 to 6 carbon atoms, and in which the benzene nucleus is never perfluorinated. |
