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Benzyltrimethyl ammonium chloride

Sodium cyanide does not dissolve in butyl bromide. The two reactants contact each other only at the surface of the solid sodium cyanide, and the rate of reaction under these conditions is too slow to be of synthetic value. Dissolving the sodium cyanide in water is of little help because butyl bromide is not soluble in water and reaction can occur only at the interface between the two phases. Adding a small amount of benzyltrimethyl-ammonium chloride, however, causes pentanenitrile to form rapidly even at room temperature. The quaternary ammonium salt is acting as a catalyst it increases the reaction rate. How ... [Pg.930]

Core-shell polystyrene-polyimide high performance particles have been successfully prepared by the dispersion copolymerization of styrene with vinyl-benzyltrimethyl ammonium chloride (VBAC) in an ethanol-water medium using an aromatic poly(amic acid) as stabilizer, followed by imidization with acetic anhydride [63]. Micron-sized monodisperse polystyrene spheres impregnated with polyimide prepolymer have also been prepared by the conventional dispersion polymerization of styrene in a mixed solvent of isopropanol/2-methoxyethanol in the presence of L-ascorbic acid as an antioxidant [64]. [Pg.305]

CHg),N Cl-, Tetra-ethylammonium chloride, - bromide (Cflg),N F-, (n-C,Hg),NH-Stearyltrimethyl-ammonium chloride Benzyltrimethyl-ammonium chloride, Benzyltriethyl-ammonium -Girard reagent T Pyridinium ethiodide (CHg),NBr-Br2... [Pg.262]

CHs) N Cl-, Tetra-ethylammonium chloride, - bromide Benzyltrimethyl-ammonium chloride,... [Pg.559]

Triethylene Glycol Ethoxy Triglycol Pyrogallic Acid Gallic Acid Glycerine Triethanolamine Trilsobutylaluminum Trichloroethylene Trichloroethylene Trichloroethylene Trimethylamine Tert-Butylamine Benzyltrimethyl ammonium Chloride Carene... [Pg.167]

Synthesis (Tull et al. (Merck Co.), 1975 1976) Friedel-Crafts reaction of fluorobenzene and a-bromoisobutyryl bromide gives 5-fluoro-2-methylindan-1-one, which is treated with 4-methylthiobenzylmagnesium chloride to yield 5-fluoro-2-methyl-1-(4-methylthiobenzyl)indene. Condensation with glyoxylic acid in the presence of N-benzyltrimethyl ammonium hydroxide (Triton B) gives 3-carboxy methylene-5-fluoro-2-methyl-1 -(4-methylthio-ben-zyl) indene, which is isomerized in acid to 5-fluoro-2-methyl-1-(4-methylthiobenzylidene)indene-3-acetic acid. Oxidation with hydrogen peroxide affords sulindac. [Pg.106]

The active intermediates of these reactions are believed to be titanium enolates formed by the transmetallation with titanium(IV) chloride. Alkylation of enol silyl ethers is also elTected by use of benzyltrimethyl ammonium fluoride, in which quaternary ammonium enolates are produced as intermediates (eq (27)) [24]. [Pg.397]

See Lauralkonium bromide Ammonium, benzylhexadecyidimethyl-, chloride. See Cetalkonium chloride Ammonium, benzyltriethyl-, chloride. See Benzyltriethyl ammonium chloride Ammonium, benzyltrimethyl-, hydroxide. See Benzyl trimethyl ammonium hydroxide Ammonium biborate CAS 12007-58-8 12228-87-4 (tetrahydrate)... [Pg.248]

Ammonum, benzyltrimethyl-, bromide. See Benzyltrimethyl ammonium bromide AMM0NYX 4, AMMONYX 4B, AMMONYX 485, AMMONYX 4002, AMMONYX CA-Special. See Stearalkonium chloride AMMONYX CDO Special, AMMONYX CDO. [Pg.285]

N-Benzyl-N,N,N-trimethylammonium bromide. See Benzyltrimethyl ammonium bromide Benzyl trimethyl ammonium chloride CAS 56-93-9 EINECS/ELINCS 200-300-3 Synonyms Benzenemethanaminium, N,N,N-trimethyl-, chloride Benztrimonium chloride BTMAC TMBAC Trimethylbenzylammonium chloride... [Pg.481]

Trimethylbenzylammonium bromide. See Benzyltrimethyl ammonium bromide Trimethylbenzylammonium chloride. See Benzyl trimethyl ammonium chloride Trimethylbenzyl ammonium hydroxide. See Benzyl trimethyl ammonium hydroxide... [Pg.4552]

Ethyldiisopropylamine hydrobromide Pyridine — Me2NCHF2,3HF H2NOH, HCl Chlorides Methiodides Benzyltrimethyl-ammonium cyanide Quaternary ammonium halides... [Pg.314]

Stearyltrimethyl-ammonium chloride Benzyltrimethyl-, Benzyltriethyl-ammonium chloride, Aliquat 336 Crystal violet Girard reagent T Pyridiniiim ethiodide Me NBr Br PhMeoNHaL... [Pg.633]

Ammonium, benzyltrimethyl-, chloride Benzene-methanaminium, N,N,N-trimethyl-, chloride Benzyl-trimethylammonium chloride BTM CCRIS 4587 EINECS 200-300-3 HSDB 4196 Tmbac N,N,N-Trimethyl-benzenemethanaminium chloride Trimethylbenzylammonium chloride Variqual . Quaternary ammonium salt dispersant, dye leveler and retarder, emulsifier used in textile industry solvent for cellulose gelling inhibitor in polyester resins intermediate. Used as a dispersant, dye leveler and retarder, as an emulsifier used in textile industry. White solid mp = 239° (dec). Janssen Chimica Pentagon Cheins. Ltd. Sherex Sybron. [Pg.65]

See other pages where Benzyltrimethyl ammonium chloride is mentioned: [Pg.154]    [Pg.157]    [Pg.36]    [Pg.130]    [Pg.29]    [Pg.159]    [Pg.340]    [Pg.294]    [Pg.109]    [Pg.287]    [Pg.296]    [Pg.32]    [Pg.522]    [Pg.252]    [Pg.488]    [Pg.154]    [Pg.157]    [Pg.36]    [Pg.130]    [Pg.29]    [Pg.159]    [Pg.340]    [Pg.294]    [Pg.109]    [Pg.287]    [Pg.296]    [Pg.32]    [Pg.522]    [Pg.252]    [Pg.488]    [Pg.50]    [Pg.4943]    [Pg.90]   
See also in sourсe #XX -- [ Pg.522 ]



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