364-06-7Relevant articles and documents
Soluble polyimides with trifluoromethyl pendent groups
Kim, Sun Dal,Lee, Sanghwa,Heo, Jaewon,Kim, Sang Youl,Chung, Im Sik
, p. 5648 - 5654 (2013)
Unsymmetrical and symmetrical diamine monomers containing trifluoromethyl groups, 2-trifluoromethyl-4,4′-diaminodiphenyl sulfide and 2,2′-bis(trifluoromethyl)-4,4′-diamino-diphenyl sulfide, were synthesized from 2-chloro-5-nitrobenzotrifluoride as a start
DIAMINE COMPOUND, AND POLYIMIDE PRECURSOR AND POLYIMIDE FILM PREPARED BY USING THE SAME
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Paragraph 0323-0326, (2020/11/03)
The present invention disclosed a novel diamine compound including a structure in which a phenylene linker (L) connecting an intramolecular imide ring and the imide ring is bonded to a phenyl ring substituted with -NH-(C=O)- or -O-(C=O)-. A polyimide film prepared by polymerizing the novel diamine compound has not only improved mechanical and thermal properties, but also an excellent refractive index.COPYRIGHT KIPO 2021
Fluorodenitration of activated diphenyl sulphones using tetramethylammonium fluoride
Clark, James H.,Wails, David
, p. 201 - 206 (2007/10/02)
Fluorodenitration of nitro-substituted diphenyl sulphones occurs readily in dipolar aprotic solvents using tetramethylammonium fluoride as the source of fluoride, although other reactions including fluorodesulphonylation can sometimes occur in competition. - Keywords: Fluorodenitration; Diphenyl sulphones; Tetramethylammonium fluoride; NMR spectroscopy; Mass spectrometry
