CAS: 346-88-3|3,3'-BIS(TRIFLUOROMETHYL)BENZIDINE

Taw qhia ntawm CAS: 346-88-3|3,3'-BIS(TRIFLUOROMETHYL)BENZIDINE

3,3'-Bis (trifluoromethyl) benzidine yog cov tshuaj sib xyaw uas tsis tau hais ncaj qha rau hauv cov ntaub ntawv muab. Txawm li cas los xij, cov ntaub ntawv sib tham txog ntau yam sib txuas nrog cov pab pawg trifluoromethyl thiab lawv cov kev siv hauv kev tsim cov polymers thiab lwm yam ntaub ntawv. Cov tebchaw no yog tus cwj pwm los ntawm lub xub ntiag ntawm pawg trifluoromethyl (-CF3), uas paub txog nws cov khoom siv hluav taws xob rho tawm thiab nws lub peev xwm los muab qee yam kev xav tau rau cov molecules, xws li nce thermal stability thiab tshuaj tiv thaiv 12378.

Synthesis Analysis

Lub synthesis ntawm cov tebchaw uas muaj feem xyuam rau 3,3'-Bis (trifluoromethyl) benzidine feem ntau koom nrog kev qhia txog trifluoromethyl pawg rau hauv cov tshuaj tsw qab. Piv txwv li, ib qho tshuaj fluorine uas muaj ntxhiab diamine siv nyob rau hauv cov synthesis ntawm soluble fluoro-polyimides tau los ntawm kev txo cov dinitro-compound, uas nyob rau hauv lem yog synthesized los ntawm coupling ib chloro-nitro-trifluoromethylbenzene nrog hydroquinone1. Lwm qhov piv txwv yog kev npaj ntawm 1-bromo-3, 5-bis (trifluoromethyl) benzene, uas tau ua tiav los ntawm kev kho 1, 3-bis (fluoromethyl) benzene nrog tus neeg sawv cev brominating hauv acidic media 6.

Molecular Structure Analysis

Cov qauv molecular ntawm cov tebchaw nrog bis (trifluoromethyl) pawg feem ntau yog ua los ntawm X-ray crystallography, NMR spectroscopy, thiab lwm txoj kev spectroscopic. Cov kev tshawb fawb no qhia txog kev cuam tshuam ntawm pawg trifluoromethyl ntawm cov molecular geometry, xws li cov ces kaum thiab cov khoom siv hluav taws xob. Piv txwv li, cov qauv molecular ntawm qee cov phosphorus-muaj cov tebchaw tau tshawb xyuas los ntawm X-ray crystallography, uas pom cov duab sib txawv loj ntawm cov phosphorus atoms vim muaj cov trifluoromethyl pawg 4.

Specification of CAS: 346-88-3|3,3'-BIS(TRIFLUOROMETHYL)BENZIDINE

Kev Tshawb Fawb Daim Ntawv Thov CAS: 346-88-3|3,3'-BIS(TRIFLUOROMETHYL)BENZIDINE

Synthesis thiab Properties of Fluorinated Polyimides

3,3'-Bis (trifluoromethyl) benzidine derivatives tau siv nyob rau hauv cov synthesis ntawm polyimides tshiab, uas qhia tau hais tias cog lus nyob rau hauv electronics daim ntaub ntawv vim hais tias lawv zoo ua ke ntawm tsawg dielectric tsis tu ncua, noo noo nqus, thiab coefficient ntawm thermal expansion, nrog rau siab thermal expansion. stability (Feiring, Auman, & Wonchoba, 1993).

Pob tshab Aromatic Polyimides nrog High Refractive Index

2,2′-Bis (thiophenyl) benzidine thiab nws cov derivatives, uas muaj xws li 3,3'-Bis (trifluoromethyl) benzidine, tau siv los ua ke pob tshab polyimides. Cov polyimides muaj qhov ntsuas siab refractive thiab me me birefringences, nrog rau cov thermomechanical stabilities zoo, ua rau lawv haum rau kev siv kho qhov muag (Tapaswi li al., 2015).

Novel Benzidine Derivatives nrog Sulfonic Acid Groups

Kev tshawb fawb tau ua tiav ntawm kev sib txuas ntawm 3,3'-bis (sulfoalkoxy)-4,4'-benzidine derivatives, suav nrog 3,3'-Bis (trifluoromethyl) benzidine, rau lawv cov peev xwm siv hauv polyimide-electrolyte films hauv roj cell systems (Nanasawan li al., 2006).

Selenium-Catalyzed Oxidations hauv Organic Synthesis

Bis[3,5-bis(trifluoromethyl)phenyl] diselenide, ib qho chaw muaj feem xyuam nrog 3,3'-Bis(trifluoromethyl) benzidine, tau tshawb nrhiav rau nws cov kev ua haujlwm catalytic hauv oxidation ntawm carbonyl tebchaw, qhia txog nws txoj kev siv tau. hauv organic synthesis (ten Brink li al., 2001).

Fluorinated Polyimides nrog Novel Diamine Monomers

Kev tshawb fawb rau hauv fluorinated polyimides muab los ntawm cov tshiab diamines zoo li 3,3'-Bis (trifluoromethyl) benzidine tau pom tias cov ntaub ntawv no muaj cov dej tsis haum, tsis tshua muaj dielectric, siab thermal stability, thiab zoo optical transparency, ua rau lawv txaus nyiam rau ntau yam kev ua tau zoo. kev siv (Banerjee et al., 2002).

Photoluminescent Properties ntawm Benzidine Derivatives

Kev tshawb fawb ntawm N, N'-Bis(2-Hydroxy Benzylidene) Benzidine, ib qho derivative ntawm 3,3'-Bis (trifluoromethyl) benzidine, tau tshawb xyuas nws cov duab ci ntsa iab hauv cov kuab tshuaj sib txawv thiab qib pH, uas tuaj yeem yog qhov tseem ceeb hauv tsim cov khoom siv fluorescent tshiab (Saleh & Kafi, 2017).

Fluorescent Sensing ntawm Hlau Ions

Bis (Salysylaldehyde) Benzidine, muaj feem xyuam rau 3,3'-Bis(trifluoromethyl) benzidine, tau tsim los ua fluorescent sensor rau kev kuaj cov hlau ions xws li Cu2+ hauv cov dej daws, ua kom pom nws lub peev xwm hauv kev siv ib puag ncig thiab lom neeg. (Saleh & Kafi, 2017).

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