Tri phenyl amine

All of the aromatic amines with the exception of tri-phenyl amine, whether primary, secondary or tertiary, are basic and form salts with acids. The basic character of the tertiary aromatic amines varies, however, in degree according to the additional radicals substituted for the amino hydrogen. On this account they react differently toward the alkyl halides. 

Di-phenyl Amine, (C6H6)2 = NH Tri-phenyl Amine, (C6H6)3=N... 

Tri-phenyl amine is prepared by treating a boiling solution of sodium in di-phenyl amine with brom benzene. The acid influence of the phenyl radicals gives to di-phenyl amine the property of forming a sodium compound which then reacts with the brom benzene. 

Tri-phenyl amine, (C6H6) N CeHs—N(CH3)2, Di-methyl aniline... 

Solubility op Di Phenyl Amine and also op Tri Phenyl Amine in Carbon Bisulphide. 

The step 1 co-reagent, tris[4-(4 -formylstyryl)phenyl]amine, (I), illustrated in Eq. (1), was prepared by the authors (1) in an earlier investigation. 

The reaction of tertiary formamides with sulfur tetrafluoride in the presence of potassium fluoride leads to replacement of both the carbonyl oxygen and formyl hydrogen atoms by fluorine. The formyl group is directly converted into the trifluoromethyl group to give N-(trifluoromethyl)amines which are isolated in almost quantitative yield (see Section 8.2.10.). Thus, dimethylformamide, diethylformamide, piperidinc-l-carbaldehyde, morpholine-1-carbaldehyde and ethyl(phenyl)formamide were converted into the corresponding A -(tri-fluoromethyl)amines 11.175... 

Hexonltro-3,3 -dimethyl-dlphenylamine or Bis(3-methyl-2,4,6-tri-nitro-phenyl)-amine, [CHJ.C4H(NOJ)3]2NH, bm tables (from ale), mp 60°. Can be prepd by warming 4,6-dinitro-3,3 -dimethyl-diphenyl amine with nitric acid(d 1.5) on a water bath. Its expl props were not investigated... 

Fleischmann et al s 34 report cyclic voltammetry data for the oxidation of a series of aromatic hydrocarbons in a molten salt electrolyte, AlCl3-NaCl-KCl at 150°. Electrooxidation in this medium occurs at unusually low oxidation potentials. Tris-(p-substituted phenyl)amines, with the exception of tri (p-nitrophenyl) amine, yield very stable radical cations by all electrochemical criteria 380>S42 Mono- and bis-p-substituted triphenylamines, however, dimerize with rate constants ranging from 101 to 10s M 1 sec 1 to benzidines 176 (Eq. (237)), which subsequently are oxidized to the radical cations 177, whose ESR-spectra are observed. Dimerization is fastest with the p-N02 andp-CN-derivative, in accordance with HMO calculations, which predict the highest spin sensity in the p-position of these compounds 542 ... 

Fig-i Simulated conformations of A tris[4-(l-methyl-lfi-l,2,3-triazol-4-yl)phenyl]amine and B tris[4-( 1-methyl-1H-1,2,3-triazol-5-yl)phenyl]amine... 

UDMH is known to be miscible with the following wafer, benzene, triethyl benzene, toluene, kerosene, ethyl alcohol, isobutyl alcohol, n-butyl ether, n-amyl ether, n-hexyl ether, diethyl ether, petroleum ether, petroleum naphtha, n-heptane, n-hexane, n-octane, n-decane, n-dodecane, n hexadecane, cyclohexane, 1,2-dimethyl cyclohexane, phenyl cyclohexane, n-tetradecane, trichloroethylene, dichloroethylene, perch oroethylene, 1,1,1 -t richloroe thane, tri-ethyl amine, ethylenediamine, diethylene triamine, acetonitrile, aniline, cumene, tetra-hydronaphtnaiene, tetraethylene pentamine, ethylene glycol and hydrazine (Ref 4)... 

Leuco Base.—(i) The amine base is the simple amine substitution product of the hydrocarbon tri-phenyl methane. It may be obtained by reducing the other compounds and is thus the reduction product. It is colorless and is termed the leuco basCy the word leuco meaning colorless. 

The reaction in Eq. (22) is an example of the complete destruction of the original cluster the amine ligands on tin were replaced by tri(phenyl)siloxy groups with quantitative formation of the amine Me2Si[NtBu(H)]2, but the nickel-tin bonds are lost and bond fission was observed. Besides the formation of elemental tin, the di-nuclear complex [(Ph3Si 0)2Sn]2 was obtained as a white crystalline product and characterized unambiguously by an X-ray structure determination. 

Various thiophene-based polymers have been used to improve hole injection in OLEDs such as PTV [346], electrogenerated poly(2,2 -bithiophene) [347], or a starburst-polymer poly(tris[4-(2-thienyl)phenyl]amine 201 [348]. In the last case, an OLED was also reported [349]. Polymer 202 combining the electron-poor phenylquinoline units with dialkylbithiophenes has been proposed as electron-transport material [350,351]. 

Miller el al. prepared tris[4-(2-thienyl)phenyl] amine 5.18a by Pd°-catalyzed coupling of 2-thienylmagnesium bromide with tris(4-bromophenyl)amine in 79% yield (Chart 1.65) [467]. Yamamoto et al. [468] synthesized an analogous bithiophene derivative 5.18b by bromination of... 

C Hj Br N Tds-[2(oder 3)-bTom-4-methyI-phenyl]-amin 12 I 437. Tria-[2-broin-beii l]>amm 12,1075. TriS [4 brom-benzyl]-amin 12,1075. GgHigBraNO) x-Tribrora triS [4.raefchoxy-phenyl]-amin 18 1185. 

Photoisomerization of azobenzene and its derivatives has been widely investigated in the frame of the study of materials, where it is taken advantage of their photochromic properties. They are ideal components of numerous molecular devices and functional materials. Typical examples of E-Z photoisomerization of azobenzenes were shown here. An aromatic polyazo compound (1) with five azobenzene units was constructed by using a dehydrochlorination reaction between p-hydro-jyazobenzene, 4,4 -dihydro grazobenzene and cyanuric chloride under very mild conditions. This compound exhibited typical reversible photoisomerization behavior. Similar polyazo compounds, such as 2,4,6-tri[4-(phenylazo)pheno3g ]-triazine (2), tris[4-(phenylazo)phenyl]amine (3), and aqueous azobenzene derivative (4) were also synthesized and characterized (Scheme 1). 

The impression that 3-aminopyrroles are more stable than the 2-isomers is derived largely from the behaviour of the di- and tri-phenyl compounds. The purely alkyl-substituted compounds are very unstable. The amines (81, R = Me or C02Et), or derivatives, can be isolated from the catalytic... 

Figure 9.19 Transport molecules, (1) to (7), (13). (14). and polymeric binders. (S) to (10), used to fabricate molecularly doped polymers. Two representative main-chain polymers, (11) and (12), are included ((1) tri-p-tolylamine (TTA) (2) TAPC (3) TPD (4) bis(Af,A/-diethy-lamino-2-methylphenyl)-4-methyl-phenylmethane (MPMP) (5) p-diethylamino-benzalde-hyde-diphenyl hydrazone (DEH) (6) 5-(p-diethylammonium phenyl)-1-phenyl-3-(p-diethylammonium-styryl)pyrazoline (DEASP) (7) 4-rj-butoxycarbonyl-9-fluorenylidene mal-ononitrile (FM) (8) bisphenol-A-polycarbonate (9) polysulfone (10) poly(methyl methacrylate) (PMMA) (11) poly(methylphenylsilylene) (PMPS) (12) PPPV (13) tris-(methoxystilbene)amine (14) tri-(stilbene)amine.

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