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1 Perfluoroalkyl chain substituted perylene-3,4:9,10-tetracarboxylic diimide compounds and preparation thereof.
2 The invention discloses catalysts for synthesizing perfluoroalkyl iodide, a method for preparing the catalysts and a method for preparing the perfluoroalkyl iodide by applying the compounds.
3 The categories and properties of the perfluoroalkyl monomers were introduced in detail. They could be used as retanning agent, finishing agent, fatliquor, water-and stain-proofing agent etc.
4 Some coumarin compounds in the introduction of perfluoroalkyl specific location, you can make it show the unique physical and biological characteristics.
5 Studies in animals suggest perfluoroalkyl acid can affect the liver, which could result in changes in cholesterol levels.
6 Bernard Weiss of the University of Rochester in New York, an expert on toxins who was not involved in the research, said perfluoroalkyl acids are a known neurotoxin.
7 Comparisons between calculated and experimental spectra of the three perfluoroalkyl iodides were made and the result showed that theoretical calculation was in good agreement with experimental values.
8 The present invention provides a simple and efficient method for producing a nucleic acid base having a perfluoroalkyl group.
9 In refluxing acetonitrile, water could also undergo the similar addition with alkenyl perfluoroalkyl sulfones.
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