Abstract: An improved process for catalytic hydrogenation of aromatic carboxylic acids to produce aromatic aldehydes is described, using a catalyst comprising zirconium oxide containing as an essential component at least one element selected from the group consisting of chromium, manganese, iron, cobalt, zinc, bismuth, lead, rhenium and the elements of Group III of periods 3 to 6 of the periodic table; the process results in improved catalyst activity and produces the desired aromatic aldehydes in high yield.

Abstract: An isomeric mixture of C- and O-allylated aromatic compounds is prepared by contacting an allyl halide, a hydroxyaromatic reactant, an alkaline agent, water and a quaternary salt catalyst. This mixture may be thermally isomerized to obtain the C-allylated compounds in high yield.

Abstract: Compounds of the formula ##STR1## wherein X is a hydrogen atom, a halogen atom, a trihalomethyl group, an alkyl group, or a cyano group,Y is a hydrogen atom, a halogen atom, or a trihalomethyl group, andZ is a substituted alkoxy group,and compositions containing these compounds exhibit herbicidal activity.

Abstract: The vapor phase reaction of phenolic compounds with organic halides to form aromatic ethers is catalyzed by metal oxides. The halide value of the organic halide is retained as hydrogen halide which can be reacted with a halide acceptor such as methanol to form methyl halide and water.

Abstract: A process for etherifying phenols comprising reacting phenols at elevated temperature and pressure with a reactant selected from the group consisting of alcohol, ether and mixtures thereof in the presence of a catalyst comprising a sulfated oxide of a Group VIIB metal selected from the group consisting of Mn, Re, and mixtures thereof on a support.

Abstract: A method for the production of N-aryl substituted di- and polyurethanes in high yield, by the reaction of an aromatic di- or polyamine with urea and alcohol at high temperatures. The di- and polyurethanes thus produced have utility as isocyanate precursors.

Abstract: A process for oxidizing vinylbenzene compounds, consisting of reacting said compounds with an aqueous solution of hydrogen peroxide in the presence of synthetic zeolites containing titanium atoms, of general formula:xTiO.sub.2.(1-x)SiO.sub.2where x lies between 0.0001 and 0.04, and possibly in the presence of one or more solvents, operating at a temperature of between 20.degree. and 150.degree. C.

Abstract: Described are tertiary hydroxyl carboxaldehydes defined according to the generic structure: ##STR1## wherein the lines ##STR2## represent covalent carbon-carbon bonds when m does not=0; and wherein the lines ##STR3## do not represent any bonds when m=0; wherein R represents hydrogen or methyl; wherein p and q each represents 0 or 1 with the proviso that p=1 when q=0 and p=0 when q=1; wherein X and Z each represent one or more carbon atoms required to complete a bicyclo ring with the lines ##STR4## representing carbon-carbon bonds; wherein X and Z complete a phenyl moiety when the line ##STR5## represents no bond; wherein X and Z complete a cycloalkyl ring moiety with the lines ##STR6## represent carbon-carbon bonds and with the line ##STR7## representing no bond; and wherein when m is 0, X represents an alkylene moiety, processes for preparing same by means of reacting carbon monoxide and hydrogen with an unsaturated tertiary alcohol defined according to the structure: ##STR8## by means of an oxo reaction, an

Abstract: A compound of the formula: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group, R.sub.2 is a lower alkyl group and X is an oxygen atom or a sulfur atom, which is useful as an insecticide.

Abstract: The compounds of formulaX--CH.sub.2 --CH(OH)--CH.sub.2 --R (I)wherein symbol R represents a C.sub.1 -C.sub.3 alkyl radical and X a substituted cyclohexyloxy group of formula ##STR1## wherein index n stands for zero or one, the dashed lines indicate a single bond (n=1) or a double bond in position 2 (n=0) or 3 (n=1) and each of symbols R.sup.1 to R.sup.6 designates a hydrogen atom or a methyl radical, are new and can be conveniently utilized as perfuming and flavoring ingredients. They develop in particular woody-ambery notes.

Abstract: Described are tertiary hydroxyl carboxaldehydes defined according to the generic structure: ##STR1## wherein the lines ##STR2## represent covalent carbon-carbon bonds when m does not=0; and wherein the lines ##STR3## do not represent any bonds when m=0; wherein R represents hydrogen or methyl; wherein p and q each represents 0 or 1 with the proviso that p=1 when q=0 and p=0 when q=1; wherein X and Z each represent one or more carbon atoms required to complete a bicyclo ring with the lines ##STR4## representing carbon-carbon bonds; wherein X and Z complete a phenyl moiety when the line ##STR5## represents no bond; wherein X and Z complete a cycloalkyl ring moiety with the lines ##STR6## represent carbon-carbon bonds and with the line ##STR7## representing no bond; and wherein when m is 0, X represents an alkylene moiety, processes for preparing same by means of reacting carbon monoxide and hydrogen with an unsaturated tertiary alcohol defined according to the structure: ##STR8## by means of an oxo reaction, an

Abstract: Carbamic acid compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X and Y are as hereinafter set forth, processes for their preparation, pesticidal compositions containing one or more of the carbamic acid compounds as the active ingredient and methods for using the pesticidal compositions for the control of pests, particularly insects, mites and nematodes, are described.

Abstract: The invention relates to novel water soluble 3,5-diacetamido-2,4,6-triiodobenzoic acid derivatives, the method for making the same and their use as X-ray contrast agents for vasography, urography, myelography, artrography, fistulography and salpingography.

Abstract: Novel compounds of the general formula ##STR1## in which X is hydrogen or chlorine, and each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 independently is hydrogen, methyl or ethyl, are useful intermediates in the preparation of the corresponding phenols. They may be prepared by treating a compound of the formula ##STR2## in which Hal is chlorine or fluorine, with a compound of the formulaHO--CHR.sup.1 --CR.sup.2 .dbd.CR.sup.3 R.sup.4in the presence of a base.

Abstract: There is provided a process for the production of aldehydes wherein an oric halide is reacted with carbon monoxide at a superatmospheric pressure in the presence of a hydrogen donor and in the presence of a base and of a catalyst in a solvent system.Catalysts of choice are transition metal catalysts. A preferred temperature range is from about 50.degree. to 150.degree. C.

Abstract: This invention relates to a method of manufacturing ortho- and para-nitrobenzaldehyde from o-chloro or o-bromobenzaldehyde and p-chloro or p-bromobenzaldehyde respectively through a nucleophilic aromatic substitution reaction performed in an organic solvent.

Abstract: A perfluoroether compound having the following formula is useful as a thermostable, inert solvent and inter alia as an oxygen carrier in an artificial blood or infusion fluid. ##STR1## wherein Rf.sub.1 and Rf.sub.2 are different from each other and are selected from the group of a C.sub.1 or C.sub.3 perfluoroalkyl group which may be interrupted by an oxygen atom, and a C.sub.5 -C.sub.7 perfluorocycloalkyl group, and n and n' are zero or an integer of 1; one of Rf.sub.1 and Rf.sub.2 being the C.sub.5 -C.sub.7 perfluorocycloalkyl group and the total number of carbon atoms being 9-11 inclusive.

Abstract: A compound of the formula: ##STR1## useful as a fungicidal agent against phytopathogenic fungi, and particularly the strains resistant to benzimidazole, thiophanate and/or cyclic imide fungicides.

Abstract: A method for the treatment or prophylaxis of cardiac disorders in a mammal, comprising administering to such mammal a short-acting .beta.-blocking compound of the formula: ##STR1## wherein X is an ester-containing group; R may be lower alkyl, aralkyl or an ester-containing group; R.sub.1 may be lower alkyl; and Ar may be substituted or unsubstituted aromatic; or a pharmaceutically acceptable salt thereof. Novel compounds possessing short acting .beta.-adrenergic blocking activity are also disclosed.

Abstract: Ketene O,O-acetals which can be converted in a simple manner to fungicidal ketene O,N-acetals are prepared by an addition reaction of a phenol with a phenoxyalkyne.