Abstract: Aminoarylacetonitriles, such as 2-(4-amino-3-fluorobenzene)propionitrile, are prepared by (1) isolating the crude reaction product from a process wherein a nitroaromatic compound has been reacted with an alpha,alpha-disubstituted acetonitrile in an inert solvent and in the presence of a base so as to form a nitroarylacetonitrile and (2) subjecting that crude reaction product to reduction in the presence of active iron powder and an aqueous alkanol.

Abstract: Complex salts of 7,7,8,8-tetracyano-p-quinodimethane having high electric conductivity, process for the preparation thereof and the use thereof as electric conductors, semiconductors or photoconductors and for antistatic finishing of plastics products.

Abstract: The novel ester, (S).alpha.-cyano-3-phenoxy-4-fluorobenzyl (1R,cis,Z) 2,2-dimethyl-3-[3-oxo-3-tert.butoxy-propenyl]-cyclopropane-carboxylate, which has the formula ##STR1## and pesticidal compositions and methods.

Abstract: A process for the manufacture of aromatic isocyanates by carbonylation of nitro derivatives comprising carrying out the reaction in the presence of supported catalysts containing as the active phase particles or an oxide of a precious metal of Group VIII and of a metal selected from Group V.sub.B, VI.sub.B, and VIII of the Periodic Table; the precursor of the active phase being a heteropolymetallic complex and, more particularly, a mixed bimetallic cluster.

Abstract: A process for producing 11,11,12,12-tetracyano-9,10-anthraquinodimethane or its derivatives of the general formula ##STR1## in which Z.sub.1, Z.sub.4, Z.sub.5, and Z.sub.8 independently represent hydrogen, chlorine, hydroxy or amino group and Z.sub.2, Z.sub.3, Z.sub.6 and Z.sub.7 independently represent hydrogen, halogen, alkyl which has 1 to 8 carbon atoms, phenyl, alkylphenyl whose alkyl group has 1 to 2 carbon atoms, hyroxyalkly which has 1 to 8 carbon atoms, carboxyalkyl whose alkyl group has 1 to 8 carbon atoms, hydroxy amino, or carboxyl group, the process comprising introduction of dicyanomethyl groups into an anthracene compound of the following general formula at 9 and 10 positions ##STR2## in which Z.sub.1, Z.sub.2, Z.sub.3, Z.sub.4, Z.sub.5, Z.sub.6, Z.sub.7 and Z.sub.8 have the same meanings as defined above, and dehydrogenation of the dicyanomethyl groups.

Abstract: New benzonitriles of formula I ##STR1## wherein R.sup.1 and R.sup.2 are each alkyl groups of 1-8 C atoms, and one of these radicals can also be alkoxy of 1-8 C atoms, and Q is one or two radicals selected from 1,4-phenylene, 1,4-cyclohexylene and/or 1,4-bicyclo[2.2.2] octylene, are very useful for preparing liquid crystallene dielectrics and electrooptical display elements based thereon.

Abstract: Schiff bases of aminocycloalkanecarboxylic acid esters of the formula ##STR1## where R, R.sup.1, R.sup.2, m and n have the meanings given in the description, are prepared by a novel process. The compounds are intermediates for the preparation of the corresponding aminocycloalkanecarboxylic acids and of esters thereof.

Abstract: Two procedures are described that can be used to prepare polyhalogenated phenyl isocyanates (2,4,6-trichloro,2,3,5,6-tetrachloro, pentachloro, 2,4,6-tribromo and 2,4,6-trifluoro derivatives) from the corresponding anilines in good yields (95-99%) with small amounts of urea byproducts (1-5%) within reasonable reaction times (3-6 hours). These are:1. Liquid phase phosgenation of polyhalogenated anilines with tertiary amines as a hydrogen chloride acceptor.2. Liquid phase phosgenation of polyhalogenated anilines in excess phosgene at the beginning and throughout the reaction.

Abstract: A process for producing a substantially isocyanurate-free uretidione dimer of isophorone diisocyanate, which is more than 98% decomposable by heat to isophorone diisocyanate, which comprises dimerizing isophorone diisocyanate, optionally in an inert organic solvent, in the presence of a catalyst of the formula X.sub.m P(NR.sub.2).sub.3-m wherein m=0, 1, 2; X=Cl OR of R wherein R is selected from the group consisting of the same or different aklyl radical, aralkyl radical, cycloalkyl radical, substituted cycloalkyl radical and radicals wherein two or more of the aforementioned radicals form a hererocyclic ring together with the nitrogen atom; at temperatures of 0.degree.-80.degree. C., isolating the resulting 1,3-diazacyclobutane-2,4-dione, after 5-70% conversion, without previous inactivation of the catalyst, from the reaction mixture as the residue of a thin film distillation and isolating the catalyst and monomer as the distillate.

Abstract: Oxime carbamates and oxime carbonates of the formula ##STR1## in which Ar is optionally substituted phenyl, naphthyl, furan or thiophene,X is hydrogen, carboxylic acid, alkanoyl, halogen or alkyl, andR is mono- or di-substituted amine, an optionally substituted alkoxy or an optionally substituted alkylthio group, the substituents of which include optionally-substituted hydrocarbyl groups and heterocyclic groups are suitable as antidotes for the protection of cultivated plants against harmful agricultural chemicals, in particular against herbicides which are insufficiently compatible with the cultivated plants. These compounds can be used either on their own or together with the agricultural chemicals. One of the possibilities offered is the dressing or immersion treatment of seed or of seedlings, of the crop to be protected, with solutions or dispersions of said compounds.

Abstract: The invention relates to an organic compound obtained by synthesis from 3,5-dihydroxybenzoic acid. The compound according to the invention is in accordance with the following general formula: ##STR1## in which R stands for an organic group of the alkyl, alkoxy or alkyl carboxylate type having 1 to 15 carbon atoms and in which X designates a nitrile or halogene group.

Abstract: Novel 10-amino-deca-3,7-diene-nitriles of the formula ##STR1## are described, in which R.sub.1 is C.sub.1-12 -alkyl, R.sub.2 is H or C.sub.1-12 -alkyl, R.sub.3 is C.sub.1-12 -alkyl, cycloalkyl having 4-12 ring C atoms, C.sub.7-8 -aralkyl, substituted or unsubstituted aryl or, if R.sub.4 =H, --Ch.dbd.CH--alkyl or --C(alkyl).dbd.CH--alkyl each having 1-4 C atoms in the alkyl groups, and R.sub.4 =H, C.sub.1-12 -alkyl, cycloalkyl having 4-12 ring C atoms, C.sub.7-8 -aralkyl or substituted or unsubstituted aryl, or R.sub.1 and R.sub.2 and/or R.sub.3 and R.sub.4 together are C.sub.3-11 -alkylene. The compounds (I) can be reduced in a manner known per se to give the corresponding 1,11-diamino-undeca-3,7-dienes. The latter are valuable intermediates and are suitable especially for the preparation of transparent crosslinkable polyamides.

Abstract: This invention relates to the stoichiometric condensation of substituted phenylacetonitriles with dibasic carboxylic anhydrides. The resulting cyano-keto-acids are obtained in good yield and can be used to prepare biologically active 2-aryl-1,3-cyclohexanediones without elaborate purification.

Abstract: Chloro-aromatic compounds of the formula ##STR1## wherein R is CF.sub.3, OCF.sub.3, OC.sub.2 F.sub.5, CN, NCO, or COCl, m is 0 or 1, and n is 0 or 1 are prepared by the vapor phase chloro-denitration reaction of a chlorinating agent with a nitro-aromatic compound of the formula ##STR2## where R, m, and n are as defined above.

Abstract: The invention concerns di- and tri-esters derived from alkanoic, (cycloalkyl)alkanoic, benzoic or phenylalkanoic acids with N-(acylaminoalkyl)-dihydroxyphenylethanolamines, and pharmaceutically acceptable salts thereof; processes for their preparation and manufacture; and pharmaceutical compositions thereof. The esters are useful for the topical treatment of an area of inflammation affecting the skin of a warm-blooded animal. Representative esters of the invention are 1-[3,4-bis(pivaloyloxy)phenyl]-2-[2-(2-phenylacetamido)ethylamino]-ethanol , 1-[3,4-bis(pivaloyloxy)phenyl]-2-[1,1-dimethyl-2-(2-phenoxyacetamido)ethy lamino]-ethanol, and the hydrochlorides and hydrobromides thereof.

Abstract: This invention relates to the stoichiometric condensation of substituted phenylacetonitriles with mono-esters of dibasic carboxylic acids. Use of the mono-ester results in substantially purer product by eliminating the bis-condensation observed with use of the diester reactant. The resulting cyano-keto-acids are obtained in good yield and can be used to prepare biologically active 2-aryl-1,3-cyclohexanediones without elaborate purification.

Abstract: Monomethylformamide is converted to methyl isocyanate by reaction with oxygen in the presence of an inert diluent gas at 300.degree.-600.degree. C. using as catalyst sputtered silver or silver/gold on an inert, hard, nonporous support.

Abstract: New liquid-crystalline compounds having a positive dielectric anisotropy, trans-4-alkyloxymethyl-1-(4'-cyanophenyl)cyclohexanes and trans-4-alkyloxymethyl-1-(4"-cyano-4'-biphenylyl)cyclohexanes expressed by the general formula ##STR1## wherein R represents an alkyl group of 1 to 8 carbon atoms and n represents 1 or 2, are provided, which compounds are useful as a component constituting liquid-crystalline compositions having superior practical performances and being stable.

Abstract: A continuous process for preparing 5-oxo-2,4-dichloro-4-alkyl or aryl pentanenitriles, e.g., 5-oxo-2,4-dichloro-4-methylpentanenitrile-1 by reacting an .alpha.,.alpha.-dichloroaldehyde with an acrylonitrile in a coil reactor.

Abstract: This invention relates to a process for utilizing the sediments in pure MDI which comprises(a) heating the sediments at temperatures of 180.degree. C. to 250.degree. C. for 0.25 hour to 6 hours in the presence of crude MDI; and(b) cooling the product to a temperature of 60.degree. C. or less within 5 minutes.The sediment-free crude MDI which results can then be used for the preparation of polyurethane products.