Abstract: A process for the production of carbamates is provided in which an organic primary or secondary amine is contacted, in the substantial absence of reactive oxygen, with a source of carbon monoxide, an organic compound containing at least one hydroxyl group, and a metal reactant comprising at least one member selected from the group consisting of compounds and complexes of Group VIII of the Periodic Table.

Abstract: A process for the production of carbamates is provided in which an organic primary or secondary amine is contacted, in the substantial absence of reactive oxygen, with a source of carbon monoxide, an organic compound containing at least one hydroxyl group and a source of sulfur, selenium or tellurium, in the presence of an effective amount of a catalyst selected from the group consisting of non-halide compounds and complexes of metals of Groups IVB, VB, VIB, VIIB, VIII, IB and IIIA of the Periodic Table. Further improved results are obtained by employing in the reaction zone at least one promoter selected from the group consisting of metals of Group IA and IIA of the Periodic Table.

Abstract: Carboxylic acid amides are produced by the catalytic reaction of an ester and an amine is shown. Organo cobalt salts are used as the catalyst. The process is particularly useful for producing dimethylacetamide by the reaction of methyl acetate and dimethylamine.

Abstract: A process for the production of carbamates is provided which comprises contacting an organic primary or secondary amine with a source of carbon monoxide, an organic compound containing at least one hydroxyl group and a source of sulfur, selenium or tellurium, in the presence of a catalyst for the reaction and in the presence of at least one member selected from the group consisting of disulfides of the formulaR.sup.1 --S--S--R.sup.2wherein R.sup.1 and R.sup.2 comprise members selected from the group consisting of alkyl, aryl, cycloalkyl, alkaryl, aralkyl, heterocyclic, alkenyl, alkynyl, alkanoyl, aranoyl, halogenated derivatives of the foregoing groups, and derivatives of the foregoing groups in which one or more carbon atoms is replaced by an oxygen atom.

Abstract: A process for the preparation of urethanes by reacting a tertiary amine, an alcohol and carbon monoxide in the presence of a catalytic quantity of a copper salt, oxygen and a dehydrating agent is disclosed. The reaction is preferably carried out using a copper halide catalyst and dehydrating agents which combine with water to release the alcohol used in the preparation of the urethane product.

Abstract: Carbamate thiosulfenylcarbamoyl fluoride compounds are insecticidal and miticidal compounds and are also useful intermediates in the preparation of pesticidally active bis-carbamate disulfide compounds.

Abstract: Trans-N-acyl-N-alkyl-1-amino-1,3-butadienes are prepared by contacting a conjugated azomethine with a strong base in an inert organic solvent at sub-zero temperature and thereafter acylating the resulting product. The trans-N-acyl-N-alkyl-1-amino-1,3-butadienes are useful as intermediates in the formation of substituted decahydro-quinolines, Pumiliotoxin C, and can also be used as the diene in Diels-Alder reactions or can be copolymerized with vinyl compounds.

Abstract: Unsymmetrical N-substituted bis-carbamoyloxy disulfide compounds exhibit outstanding nematocidal, miticidal and insecticidal activity, coupled with substantially reduced mammalian toxicity and phytotoxicity as compared to known pesticidal compounds having a comparable spectrum of activity against insect, arachnid and nematode pests.

Abstract: An aromatic urethane (e.g., methyl naphthyl urethane) is prepared by reacting an aromatic hydroxy compound, such as alpha-naphthol, with an aliphatic urethane, such as dimethyl urethane, in the presence of a catalyst consisting of a Lewis acid.

Abstract: This invention discloses new chemical compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of hydrogen, alkyl and alkenyl; R.sup.2 is selected from the group consisting of alkyl, alkenyl, cycloalkyl and ##STR2## WHEREIN Z is selected from the group consisting of alkyl, alkenyl, alkoxy, halogen, nitro and alkylthio; p is an integer from 0 to 5; and m is the integer 0 or 1; X.sup.1 and X.sup.2 are each selected from the group consisting of hydrogen, alkyl and halogen; Y is selected from the group consisting of oxygen and sulfur; n is the integer 1 or 2; and R.sup.3 and R.sup.4 are each alkyl.

Abstract: Carbamates are manufactured by reaction of alcohols with urea in the presence of ion exchangers containing nickel.The products are starting materials for the manufacture of textile finishing agents, dyes and plant protection agents.

Abstract: Compounds of the general formula (I): ##STR1## in which R.sup.1 represents hydrogen or a straight or branched chain alkyl group, or an acyl group of the formula --COR.sup.5 (in which R.sup.5 represents a hydrogen atom or a straight or branched chain alkyl group);R.sup.2 represents an aryl group of the formula: ##STR2## (in which R.sup.6 represents a hydrogen atom or independently one or more of the following groups, that is, hydroxy, alkoxy, alkyl, halogen, dialkylamino and trifluoromethyl, or may represent a 3,4-methylenedioxy group ##STR3## R.sup.3 and R.sup.4 may independently represent hydrogen or a straight or branched chain alkyl group; andN represents 1, 2 or 3; and pharmaceutically acceptable salts thereof; and hydrates of said compounds or salts thereof. The invention also includes processes for the production of these compounds, compositions containing them and methods of treatment using them.

Abstract: A process for the preparation of a substituted-phenyl-N-alkyl-carbamate of the formula ##STR1## wherein R.sup.1 and R.sup.2 form part of a carbamoyloxy group and are identical or different and each is hydrogen or lower alkyl,R is halogen, formyl group or a group of the formula ##STR2## in ortho or meta-position to the carbamoyloxy group, wherein X.sup.1 and X.sup.2 are identical or different and each is oxygen or sulphur andR.sup.3 and R.sup.4 are identical or different and each is alkyl, alkenyl or alkynyl or together form a 5-membered saturated or unsaturated heterocycle in which X.sup.1 and X.sup.2 are heteroatoms, said process comprising reacting a compound of the formula ##STR3## in the presence of a base with a compound of the formula ##STR4## wherein A is phenyl substituted with two or more electron withdragroups.

Abstract: A process for the manufacture of .beta.-haloacetals or .beta.-haloketals by reaction of substituted or unsubstituted phenols with vinyl ethers in the presence of chlorine-liberating compounds and an inert diluent or solvent at a temperature of from -70 to +40.degree. C.

Abstract: Compounds of the formula: ##STR1## are disclosed which compound are used to prepare carbamates which are stated to have utility as plant protecting agents and insecticides.

Abstract: Alkylisocyanates are prepared by reacting a phenol or substituted phenol and phosgene in a halogenated hydrocarbon solvent with aqueous alkali metal hydroxide to produce a corresponding chloroformate, reacting the resulting chloroformate solution with aqueous alkylamine to give a corresponding N-alkylcarbamate which, after solvent is stripped, is then pyrolyzed to yield the alkyl isocyanate. Solvent and the starting phenol may be recovered and recycled to the process.

Abstract: Vinyl terminated, fully reacted urethane compositions comprise the reaction product of polyisocyanate, an hydroxyalkylated novolac and an ethylenically unsaturated alcohol. The vinyl terminated compositions are copolymerizable with ethylenically unsaturated monomers to produce thermoset polymers characterized by excellent physical properties and a high degree of resistance to acids and alkalies. The polymers are especially useful in the manufacture of molded articles and laminates and in the formulation of marine coatings.

Abstract: Aromatic urethans are prepared by reacting aromatic carbonates with aliphatic amines, within an organic solvent or not. It is preferred that a stoichiometric quantity of the amine be employed to prevent the formation of urea by-products which are likely to be formed if an excess of the amine is used. The temperature should not exceed 100.degree. C, the interval between 20.degree. and 40.degree. C being preferred. Nearly quantitative yields are obtained.

Abstract: Process for the manufacture of N-alkyl and N-alkenyl carbamates by reacting a hydroxyl compound with a carbamyl chloride essentially free from phosgene and hydrogen chloride at a temperature of from 60.degree. to 130.degree. C in alkyl or halogen benzenes as solvent.

Abstract: A process for the preparation of a compound of the formula: ##STR1## wherein R.sup.1 is alkyl, alkyl substituted by halogen, alkyl substituted by alkoxy, aryl, aryl substituted by halogen, aryl substituted by alkyl, aryl substituted by alkoxy, aralkyl, aralkyl substituted by alkoxy, cycloalkyl, cycloalkyl substituted by halogen, cycloalkyl substituted by alkyl or cycloalkyl substituted by alkoxy, andR.sup.2 is an aromatic group, an aromatic group substituted by alkyl, an aromatic group substituted by halogen, an aromatic group substituted by alkoxy, a heteroaromatic group, a heteroaromatic group substituted by alkyl, a heteroaromatic group substituted by halogen, or a heteroaromatic group substituted by alkoxy, by the reaction of phosgene with a phenol of the formula:R.sup.2 -OHand further by the reaction of a primary amine of the formula:R'--NH.sub.

Abstract: This invention relates to a novel carbamoylation method for the preparation of steroid phenolic N-disubstituted carbamate esters, and novel compounds in said method. Phenolic carbamate esters are useful for various purposes, for instance as pharmaceuticals, e.g. antitumor agents, as biocides, e.g. pesticides, and intermediates for preparing such useful compounds.

Abstract: This invention relates to a novel carbamoylation method for the preparation of phenolic N-disubstituted carbamate esters, and novel compounds in said method. Phenolic carbamate esters are useful for various purposes, for instance as pharmaceuticals, e.g. antitumor agents, as biocides, e.g. pesticides, and intermediates for preparing such useful compounds.

Abstract: Trans-N-acyl-N-alkyl-1-amino-1,3-butadienes are prepared by contacting a conjugated azomethine with a strong base in an inert organic solvent at sub-zero temperature and thereafter acylating the resulting product. The trans-N-acyl-N-alkyl-1-amino-1,3-butadienes are useful as intermediates in the formation of substituted decahydro-quinolines, Pumiliotoxin C, and can also be used as the diene in Diels-Alder reactions or can be copolymerized with vinyl compounds.

Abstract: Urethanes of hydroxybenzotriazoles and hydroxybenzophenones which can be chemically modified upon heating have been found useful in imparting weather resistance to plastic substrates when applied as part of a UV curable resin which can be subsequently heated after cure. UV curable resins containing such urethanes and the use of such resins to treat thermoplastic substrates are also described.

Abstract: A phenyl amino compound having a tertiary amino group contain one or two N-bonded --C.sub.2 H.sub.4 CONHC(CH.sub.3).sub.2 CH.sub.2 COCH.sub.3 moieties; said tertiary amino group being bonded through the nitrogen atom to the phenyl group. These compounds are suitable for use as coupling agents in the preparation of keto-amido containing aminophenyl-azo dyestuffs.

Abstract: This invention relates to novel .alpha.-lower alkoxy-o-cresyl carbamates having utility as insecticides and polymer intermediates.