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| Number | Title | Issue Date |
| 4575565 | Process for preparing substituted benzotrichlorides The invention herein pertains to a novel process for making substituted benzotrifluorides.... | 03/11/1986 |
| 4560814 | Process for alkylating halogenated and trifluoromethylated benzene compounds Disclosed is a process for alkylating halogenated and trifluoromethylated benzene compounds. In that process, an alkyl halide is reacted with a benzene compound having two or three substituents selected from the group consisting of the halogens and the tr... | 12/24/1985 |
| 4558166 | Process for the preparation of benzal chlorides Process for the preparation of benzal chlorides from benzotrichlorides, according to which benzotrichlorides are reacted with thiols in the presence of metal salts at elevated temperatures.... | 12/10/1985 |
| 4473709 | Pyrethroid intermediates and process A novel N,N,N-trimethyl-[1,1'-biphenyl]-2-methanaminium compound is subjected to a rearrangement reaction to give a 3-dimethylaminomethyl-2-methyl-[1,1'-biphenyl] compound which is then converted to the corresponding 3-halomethyl-2-methyl-[1,1'-biphenyl] ... | 09/25/1984 |
| 4447650 | Methylene coupling of aromatics Methylene coupled aromatic compounds are prepared by contacting an aromatic reactant having a reactive hydrogen with chloromethyl methyl carbonate at a temperature from about 25° C. to about 250° C. in the presence of a catalytic amount of a Lewis acid.... | 05/08/1984 |
| 4414406 | Class of Friedel-crafts catalysts Molybdenum compounds, particularly molybdenum sulfide, molybdenum silicide, molybdenum selenide and molybdenum telluride are useful Friedel-Crafts catalysts for the aralkylation of aromatics to produce polybenzyls, the manufacture of aromatic ketones, aro... | 11/08/1983 |
| 4362884 | Silacrown ethers, method of making same, and use as phase-transfer catalysts Organosilicon compounds referred to as silacrown ethers or "silacrowns" are of the general formula: ##STR1## where R1 and R2 are organic radicals or hydrogen and n is an integer between 4 and 10 inclusive. Silacrown ethers are p... | 12/07/1982 |
| 4334103 | Process for heterogeneous nucleophilic substitution reactions The invention relates to a process for nucleophilic substitution reactions. According to the invention the reaction is carried out in a hetergeneous system, consisting of a solid and a dissolved reactant, one or several organic solvents, one or several li... | 06/08/1982 |
| 4329525 | Production of chlorinated compounds by use of molten salts A compound is chlorinated with chlorine to produce chlorinated product and hydrogen chloride byproduct. Recovered hydrogen chloride byproduct is contacted with oxygen and a molten salt mixture containing the higher and lower valent chlorides of a multival... | 05/11/1982 |
| 4328380 | Substituted phenylpropyl halides A novel process for the preparation of phenylpropyl halides of the formula ##STR1## by reacting the corresponding phenylpropyl halides, substituted only by R2 and R1, with an alcohol, alkyl halide or olefin; and phenylpropyl hal... | 05/04/1982 |
| 4319061 | Low molecular weight terminally-functional saturated hydrocarbon polymer Terminally-functional saturated hydrocarbon low molecular weight liquid polymers are prepared by cationic polymerization of a 1-alkene containing at least one tertiary or phenyl substituted carbon in the presence of a transfer agent containing a benzylic ... | 03/09/1982 |
| 4278822 | Low molecular weight terminally-functional saturated hydrocarbon polymer Terminally-functional saturated hydrocarbon low molecular weight liquid polymers are prepared by cationic polymerization of a 1-alkene containing at least one tertiary or phenyl substituted carbon in the presence of a transfer agent containing a benzylic ... | 07/14/1981 |
| 4191711 | Process for the preparation of certain nuclear chlorinated benzotrichlorides A process for the preparation of 3,4-dichlorobenzotrichloride, 3,4,5-trichlorobenzotrichloride, 2,4,5-trichlorobenzotrichloride or 2,3,4,5-tetrachlorobenzotrichloride which comprises contacting p-chlorobenzotrichloride of the formula ##STR1## wi... | 03/04/1980 |
| 4186270 | Process for making 2-(4-isobutylphenyl)propionic acid and related compounds Pure 2-(4-isobutylphenyl)propionic acid and related compounds are obtained in good yield by a multi-step process comprising chloromethylation of benzene or an alkylbenzene, conversion of the resulting benzyl chloride to the cyanide, alkylation of that pro... | 01/29/1980 |
| 4075238 | Polyhalobenzylic disulfooxonium compounds Polyhalobenzylic disulfooxonium compounds are produced by the reaction of aromatic methyl, halomethyl or hydroxymethyl substituents with sulfur trioxide. The disulfooxonium salts are readily converted to alcohols by hydrolysis to provide monomers for the ... | 02/21/1978 |
| 4051190 | Manufacture of 3-arylpropyl chloride A two-step preparation of 3-arylpropyl chloride from the corresponding 2-chloropropiophenone by hydrogenation using two specific catalysts in series.... | 09/27/1977 |
| 4046819 | Alkylation of alkyl, cycloalkyl and aralkyl halides Alkyl, cycloalkyl or aralkyl halides may be alkylated by treatment with an olefin in the presence of a catalyst comprising a free-radical generating compound such as an organic peroxide and also in the presence of a promoter comprising hydrogen chloride, ... | 09/06/1977 |
| 4044060 | Process for preparing geminal dihalides Geminal dihalides are prepared by reacting a non-enolizable aldehyde and/or ketone with phosgene or thionyl chloride in the presence of an organyl-phosphorus compound of 3-valent and/or 5-valent phosphorus.... | 08/23/1977 |
| 4036896 | Production of chloro-substituted saturated compounds Chloro-substituted saturated compounds are prepared by condensing a saturated hydrocarbon containing at least 3 carbon atoms and a hydrogen atom attached to a secondary or tertiary carbon atom or to a carbon atom which is attached to an aromatic ring with... | 07/19/1977 |
| 3981936 | Method for the preparation of bis-(bromomethyl)-tetrachlorobenzenes and their use as flame-proofing agents A process for preparing a bis-(bromomethyl)-tetrachlorobenzene which comprises contacting a bis-(chloromethyl)-tetrachlorobenzene with a bromide of an element of the first to the third group of the Periodic Table, preferably in a solvent of the bis-(... | 09/21/1976 |
| 3972953 | Group VIII metal complex catalyzed halogen exchange reaction Alkyl halide exchange may be catalyzed under mild conditions in homogeneous solution by ligand stabilized, low valent, coordinatively unsaturated d6 or d8 Group VIII metal complexes of the formula wherein M is a metal of Group VIII of the... | 08/03/1976 |
| 3956370 | Preparation of N-phosphonomethylglycine A process of preparing the herbicide N-phosphonomethylglycine which comprises reacting an N-substituted glycine derivative of the formula: ##EQU1## wherein R1 is a hydrogen atom or an esterifying group, Ar is an aryl radical, and R2 | 05/11/1976 |
