Abstract: A vinyl polymerizable reaction product useful in preparing pigment grind vehicles having improved grind time, viscosity properties and color properties is disclosed. The reaction product can be prepared by reaction of an ester with isopropenyl-.alpha.,.alpha.-dimethylbenzylisocyanate. The resulting product is a urethane ester which can be homopolymerized or copolymerized with other vinyl monomers. The invention is also directed toward the resulting polymeric grind vehicle and pigment pastes made therewith.

Abstract: The invention relates to benzocyclobutene capped benzotrifluoride based fluoroaryl ether compounds which are useful in preparing semi-permeable membranes, and films and coatings useful in electronic applications.

Abstract: Process for the removal of isocyanic acid from a gaseous mixture of isocyanic acid and ammonia by introducing a tertiary amine or ether at 250.degree. to 600.degree. C. The gaseous reaction mixture is passed into an inert diluent and cooled, to condense an adduct of isocyanic acid and tertiary amine or ether, and the ammonia being removed as a gas.

Abstract: The present invention provides a process for preparing urethanes and carbonates from an amine or an alcohol, carbon dioxide and a hydrocarbyl halide. The amine or alcohol is reacted with carbon dioxide in a suitable solvent system and in the presence of an amidine or guanidine base, to form the ammonium carbamate or carbonate salt which is then reacted in a polar aprotic solvent with a hydrocarbyl halide. Polymer products can also be prepared utilizing this process or utilizing the resulting urethanes and carbonates under standard polymerization conditions.

Abstract: Compounds of the formula: ##STR1## wherein R.sub.1 is selected from (1) hydrogen; (2) --NR.sub.2 R.sub.3, --OR.sub.2 or --SR.sub.2 where R.sub.2 and R.sub.3 are independently selected from hydrogen, alkyl, aryl and alkylaryl; and (3) optionally substituted C1-C8 alkyl, C2-C8 alkenyl, arylalkyl or cycloalkyl;Y is selected from sulfur and oxygen;n is an integer selected from 0 and 1;M is hydrogen, a pharmaceutically acceptable cation, or a metabolically cleavable group; andZ is a residue of a non-steroidal antiinflammatory drug of general form Z--COOH;or a pharmaceutically acceptable salt, ester or prodrug thereof,as well as pharmaceutical compositions containing the above compounds and a method for their use as lipoxygenase inhibitors.

Abstract: Antimicrobial compounds of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of H, lower (C.sub.1 -C.sub.4)alkyl, alkyl aryl, CH.sub.2 OR, CH.sub.2 SR, and CH(CH.sub.3)OR; andR, R.sup.2, and R.sup.3 are independently selected from H, (C.sub.1 -C.sub.4)alkyl, aryl, arylalkyl, alkaryl, and halopropargyl.

Abstract: Ethylenically unsaturated, fluorine-containing urethane derivatives (see Formula I) whose urethane group is substituted on its carboxyl radical by a fluorinated organic radical and on its nitrogen atom by an unfluorinated, ethylenically unsaturated organic radical. Their preparation can be carried out by reacting ethylenically unsaturated, unfluorinated isocyanates with fluorinated organic hydroxyl compounds in bulk in the absence of water or advantageously in inert organic solvents or in ethylenically unsaturated monomers capable of polymerization which behave inertly under the reaction conditions, it being possible to obtain the urethane derivatives directly in liquid or highly viscous or waxy or solid or crystalline form.Urethane derivatives prepared according to the invention are usually readily to very readily soluble in standard nonaqueous, nonpolar inert organic solvents or in various monomers capable of copolymerization.

Abstract: This invention relates to a process for the preparation of N,N-disubstituted mono- and oligourethanes by the reaction of N-aromatically, N-aliphatically, N-cycloaliphatically, and N-araliphatically substituted mono- and oligourethanes with dialkyl carbonates in the presence of at least stoichiometrically equivalent quantities of solid alkali or alkaline-earth carbonate in excess dialkyl carbonate and/or an aprotic organic solvent and in the presence of a phase transfer catalyst.

Abstract: The present invention provides a process for preparing urethanes and carbonates from an amine or an alcohol, carbon dioxide and an allyl halide. The amine or alcohol is reacted with carbon dioxide to form the ammonium carbamate or carbonate salt which is then reacted with a palladium tertiary phosphine catalyst complex of an allyl halide. Polymer products can also be prepared utilizing this process or utilizing the resulting urethanes and carbonates under standard polymerization conditions.

Abstract: Substituted benzyl carbamates of the formula ##STR1## in which: R is a member selected from the group consisting of halogen, trifluoromethyl, cyano, NO.sub.2, C.sub.1 -C.sub.3 haloalkyloxy, phenoxy, pyridyloxy, and substituted phenoxy and substituted pyridyloxy substituted with one or more members of the group consisting of halogen and trifluoromethyl;R.sub.1 is C.sub.1 -C.sub.4 alkyl; andR.sub.2 is a member selected from the group consisting of pyridyl, phenyl and substituted pyridyl and substituted phenyl substituted with one or more of the group consisting of H, cyano, halogen,C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 haloalkyl;and their use as herbicides are disclosed herein.

Abstract: Processes for producing carbamates comprise contacting a first reactant selected from primary amine components, secondary amine components, urea components and mixtures thereof; carbon monoxide; at least one organic hydroxyl component and at least one oxygen-containing oxidizing agent in the presence of a catalyst composition comprising at least one metal macrocyclic complex, preferably in the further presence of a halogen component.

Abstract: A heterofunctional macromer represented by the formula: ##STR1## in which R.sub.1 is H or C.sub.1 -C.sub.4 alkyl; R.sub.2 is a (poly) lactone or (poly) ether chain;X.sub.1 is --COO--, --COOCH.sub.2 CH.sub.2 OCO--, --CONHCOO--, --COOCH.sub.2 CH.sub.2 NH--COO-- or ##STR2## X.sub.2 is --O--, --COO-- or --OCO--NH--R.sub.3 --NHCOO-- group; R.sub.3 is C.sub.1 -C.sub.6 alkylene, aromatic or alicyclic group;A is --CH.sub.2 --, --C(CH.sub.3).sub.2 -- or ##STR3## group; and reactive polymers derived from said macromer.

Abstract: The invention provides a process for the preparation of N-benzoylcarbamates of general formula ##STR1## wherein R.sup.1 represents a hydrogen atom, a halogen atom, a C.sub.1-4 alkyl group, a C.sub.1-4 alkoxy group or a trifluoromethyl group, R.sup.2 represents a halogen atom, a C.sub.1-4 alkyl group, a C.sub.1-4 alkoxy group or a trifluoromethyl group, R.sup.3 represents a hydrogen atom, a halogen atom, a methyl group or a trifluoromethyl group, and R represents a C.sub.1-8 alkyl group optionally substituted by one or more halogen atoms or a phenyl group optionally substituted by one or more substituents selected from halogen atoms and methyl groups, characterized by reacting an alkali metal salt of a benzamide of general formula ##STR2## wherein R.sup.1, R.sup.2 and R.sup.

Abstract: This invention pertains to amino acids attached to a solid support in a racemization free manner and to a method of covalently linking amino acids to solid supports for use in solid phase peptide syntheses.

Abstract: Glycerine derivatives of the formula ##STR1## wherein the residues R.sup.1, R.sup.2 and R.sup.3 have the significance given in the description, and their hydrates, which inhibit blood platelet activating factor (PAF), are described.

Abstract: A diastereoselective process for the preparation of compounds of formula ##STR1## (wherein R and R.sub.1 have the meanings reported in the specification and the asterisks show the asymmetric carbon atoms) starting from the corresponding N-protected 2-amino-3-aryl-propan-1-ol is described.The compounds of formula I are intermediates useful for the synthesis of pharmacologically active peptides.

Abstract: A novel process for the preparation of .alpha.-alkylated .alpha.-amino acids and .alpha.-halogenated .alpha.-amino acids is disclosed. These .alpha.-alkylated .alpha.-amino acids and .alpha.-halogenated .alpha.-amino acids are useful as intermediates for the preparation of enzyme inhibitors (for example, renin inhibitors) and other peptides or amino acid derivatives or analogs.

Abstract: The invention concerns novel pharmaceutical compositions for use in the treatment of certain complications of diabetes and galactosemia and which contain a nitromethane derivative (or its non-toxic salt) as active ingredient. The nitromethane derivatives are inhibitors of the enzyme aldose reductase. Many of the inhibitors are novel and are provided, together with processes for their manufacture and use, as further features of the invention.

Abstract: A method of manufacturing aromatic urethanes utilizes a urea production process wherein a primary aromatic amine, an aromatic nitro-compound and carbon monoxide are made to react together in the presence of a catalyst and solvents, to produce N,N'-disubstituted urea, the solvlent used in the urea production process consisting at least partly of an amide or oxygen-containing sulfur compound, and having the functions of stabilizing the catalyst and preventing it from separating out in a solution, and of increasing the activity of the catalyst, the quantity of the solvent being sufficient to permit it to fulfill these functions effectively. The method additionally includes an aromatic urethane production process wherein the N,N'-disubstituted urea produced is made to react with an organic compound containing hydroxyl groups, to produce a primary aromatic amine and aromatic urethane, the primary aromatic amine being separated to obtain the aromatic urethane.

Abstract: N,N-disubstituted monourethanes and oligourethanes are produced by reacting (a) N-aliphatically and/or N-cycloaliphatically and/or N-araliphatically substituted monourethanes and/or oligourethanes with an alkylating agent in the presence of a solid alkali metal hydroxide. No solvent need by employed but if a solvent is used, that solvent should be an aprotic organic solvent. The alkali metal hydroxide must be used in an equivalent amount. A phase transfer catalyst may optionally be employed. The N,N-disubstituted urethanes obtained by this process are useful in the production of dyes, pharmaceutical products and thermostable synthetic materials.

Abstract: A process for making aryl-, heteroaryl-, or cycloalkyl-substituted alkyl urethanes is disclosed. The urethanes are prepared by electrophilic carbamylation of aromatic compounds with alkylene bis(carbamic acid esters) or the equivalent in the presence of an acidic catalyst and a polar aprotic solvent. The alkyl urethanes may be cracked to give the corresponding substituted alkyl isocyanates.

Abstract: There are disclosed compounds of the formula ##STR1## wherein R is ##STR2## R.sup.1 is hydrogen, lower alkyl or ##STR3## a is 1-3; b is 1-3;c is 0-2;X, Y and Z are each, independently, a bond, O, S. or NH, with the proviso that if one of X or Y is O, S or NH, the other must be a bond;R.sup.2 is amino, loweralkylamino, arylamino, loweralkoxy or aryloxy;R.sup.3 is hydrogen, halo, hydroxy, lower alkoxy, aryloxy, loweralkanoyloxy, amino, lower alkylamino, arylamino or loweralkanoylamino;R.sup.4 and R.sup.5 are each, independently hydrogen or lower alkyl;m is 0-4;n is 1-4; ando is 1-4;and, which by virtue of their ability to selectively inhibit an isoenzyme of 3':5'-cyclic AMP phosphodiesterase located in pulmonary smooth muscle tissue and inflammatory cells, are bronchodilatory and antinflammatory and so are useful in the treatment of acute and chronic bronchial asthma and associated pathologies.

Abstract: Compounds of formula I ##STR1## wherein A, X.sub.1, X.sub.2, X.sub.3, X.sub.4, Y, Z and R.sub.1 to R.sub.6 have the meanings given in the description, have valuable pharmaceutical properties and are effective especially against tumours. They are prepared in a manner known per se.

Abstract: Novel amino acid derivatives of the formula ##STR1## wherein R.sup.1 is a protecting group removable under reducing or acid conditions, and R.sup.2 and R.sup.5 are hydrogen or carboxylic protecting groups, are useful as intermediates in preparing stereospecific carbapenam/carbapenem derivatives. R.sup.1 is removed under reducing conditions to form a pyrrolidine derivative, which is further cyclized from the R.sup.5 .dbd.H compound to form a .beta.-lactam ring. Stereospecificity at the 6-position is achieved by treatment with lithium diisopropylamide (LDA) and quenching at different temperatures. Compound (I) can be prepared by treating R.sup.1 -protected R.sup.3 -pyrrolidone carboxylic acid R.sup.2 -ester with a lithium enolate of the formula R.sup.4 CHLiCO.sub.2 R.sup.5. The lithium enolate can be formed from R.sup.4 CH.sub.2 CO.sub.2 R.sup.5 by treatment with LDA.

Abstract: This invention is characterized by synthesizing an active ester represented by the general formula ##STR1## using an active esterifying agent consisting of a sulfonium salt represented by the general formula ##STR2## and further reacting the above-said active ester with a nucleophilic agent represented by the general formula H-B-Y to produce an ester or amide represented by the general formula (W) d.A-B-Y.

Abstract: Aromatic carbamates are selectively and actively prepared by reacting (a) at least one nitroaromatic compound with (b) carbon monoxide and (c) at least one organic compound bearing at least one hydroxyl group, in the presence of:(d) a palladium-based catalyst,(e) at least one coordinate of the formula: ##STR1## in which each of G and G', which may be identical or different, is a bridging group which contains 3 or 4 atoms, at least 2 of which are carbon atoms, with the proviso that G and G' may be linked to each other, and(f) at least one protonic acid in which no proton is linked to a halogen atom, and wherein the amount of palladium present in the reaction medium is less than or equal to 0.01 mole per liter of such reaction medium and the reaction is carried out such that:(i) either the molar ratio (H.sup.+ /Pd) is higher than 150, and/or(ii) the molar ratio (coordinate/Pd) is higher than 20.

Abstract: The present invention is novel selected hydroxamic acid derivatives of acyl residues of selected NSAIDS, i.e. having 5-lipoxygenase and cyclooxygenase inhibiting properties, pharmaceutical compositions for treating conditions advantageously affected by the inhibition and methods for treating these conditions in mammals, including humans suffering therefor.

Abstract: A process for producing carbamic acid esters (N-phenyl carbamate) which comprises reacting an amino group-containing compound (aniline), oxygen, a nitro group-containing compound (nitrobenzene), a carbon monoxide-containing gas and a hydroxyl group-containing organic compound (ethyl alcohol) in the presence of a compound of a transition metal belonging to Pt group of VIII group (Pd) of the Periodic Table as catalyst, a non-metal halide (HCl) and water.

Abstract: A process for preparation of urethanes by reacting an organic hydroxyl group-containing compound and carbon monoxide with a primary amine and oxygen in the presence of a non-noble metal or lanthanide metal catalyst system, particularly a cerium catalyst.

Abstract: Substituted phenyl carbamates of the formula ##STR1## in which: R is a member selected from the group consisting of halogen, trifluoromethyl, cyano, NO.sub.2 and C.sub.1 -C.sub.3 haloalkyloxy;R.sub.1 is methyl or ethyl;R.sub.2 is independently selected from the group consisting of H, cyano, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 haloalkyl; andn is the number of R.sub.2 substituents other than hydrogen and equals 1-5;and their use as herbicides are disclosed herein.

Abstract: This application relates to monomers and homopolymers of diacetylenic ethers having the formula ##STR1## wherein X is alkyl, alkenyl, aryl, alkaryl, aralkyl, aralkenyl, monoalkylamino or dialkylamino and Y is alkyl, alkenyl or ##STR2## where X' is independently selected from the group of X. The invention also relates to the method of preparing and using said alkoxy diacetylenes.

Abstract: A process for preparing carbamates is disclosed, in which:a stoichiometric or higher-than-stoichiometric amount of an alkyl carbonate or a cycloalkyl carbonate is reacted with an aliphatic, cycloaliphatic or aromatic amine, in a first reaction step, by operating in the presence of a carbamation catalyst, in order to produce a mixture of a carbamate and an urea,the urea contained in the reaction product from the first process step is reacted with carbonate, in a second reaction step, in order to produce the corresponding carbamate, andthe reaction mixture coming from the second process step is submitted to treatments in order to recover the carbamate.The process makes it possible high yields and high values of selectivity to the useful reaction product to be obtained.

Abstract: The invention relates to a process for the selective preparation of N.sup.4 -substituted 1,4-diamino-2-nitrobenzenes of the general formula I ##STR1## in which R.sub.1 denotes hydrogen, halogen, (C.sub.1 -C.sub.4) alkyl or (C.sub.1 -C.sub.4) alkoxy, it being possible for the carbon atoms to be arranged in straight-chain or branched form, and R.sub.2 represents a radical --COO--CH(A)--CH(B)--D with the meanings A=H, B=H, D=Cl, A=H, B=CH.sub.3, D=Cl, A=H, B=H, D=CH.sub.2 Cl or A=CH.sub.3, B=H and D=Cl (compounds of the general formula Ia) or a radical--CH(X)--CH(Y)--Z with the meanings X=H, Y=H, Z=OH, X=CH.sub.3, Y=H, Z=OH, X=H, Y=H, Z=CH.sub.2 OH or X=H, Y=CH.sub.3 and Z=OH (compounds of the general formula Ib) ##STR2## which is characterized in that 1,4-diamino-2-nitrobenzenes of the general formula II ##STR3## wherein R.sub.

Abstract: A composition useful for incorporation into polymer compositions employed for food packaging or the like comprising a bis- or tris-methine compound having the structural formula ##STR1## wherein A is selected from the radicals ##STR2## wherein R' and R" are each selected from chlorine, bromine, fluorine, alkyl, alkoxy, aryl, aryloxy and arylthio;each n is independently 0, 1, 2;R.sub.1 is selected from a large variety of radicals such as cycloalkyl, phenyl, and straight or branched alkyl which may be substituted;R.sub.2 is alkylene or the like;R.sub.3, R.sub.4, and R.sub.5 are each selected from hydrogen and alkyl; andP and Q and P.sup.1 and Q.sup.1 are selected from cyano, carbalkoxy, carbaryloxy, carbaralkyloxy, or the like.

Abstract: New compounds N-.alpha.-9-fluorenylmethoxycarbonyl-aspartic acid-.beta.-1-adamantyl esters are stable under the basic condition of the normal peptide condensation process and do not form succinimide. Peptides containing aspartic acid can be synthesized with high purity and at high yields by using N-.alpha.-9-fluorenylmethoxycarbonyl-aspartic acid-.beta.-1-adamantyl ester.

Abstract: The invention provides an improved method for obtaining optically active amines, carbamates, and isocyanates by thermal fragmentation of optically active ureas through refluxing the ureas in C.sub.3 -C.sub.7 alcohol solution with or without catalytic amounts of alkali metal.

Abstract: Novel tricyclic compounds having a TXA.sub.2 -antagonizing activity represented by formul (I): ##STR1## which strongly antagonize an action of thromboxane A.sub.2 and are expected to have preventive and therapeutic effects on ischemica diseases, cerebro-vascular diseases, etc.

Abstract: Process for producing urethanes, by reacting an organic hydroxyl group containing compound and carbon monoxide, either (i) with an organic nitro group containing compound, e.g. nitrobenzene, or (ii) with a primary amine, e.g. aniline, and oxygen, the reacting in both cases being carried out in the presence of a non-noble metal catalyst system comprising a copper catalyst, preferably mixed with a promoter such as a nitrogen or phosphorous containing organic compound for the (i) nitro compound reaction, or an alkali salt for the (ii) amine reaction, e.g. at 200-8000 psig and 100.degree.-300.degree. C., using 0.05-0.4 mole copper catalyst and 0.01-10 moles promoter per mole (i) nitro compound or (ii) amine, and 2-500 moles carbon monoxide, and (in the case of the (ii) amine) 0.5-5 moles oxygen, per mole of the (i) nitro compound or (ii) amine.

Abstract: Lipophilic quaternary ammonium salicylate, characterized in that it corresponds to the formula: ##STR1## in which: (i) R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be identical or different, denote an alkyl or alkylcycloalkyl radical, optionally substituted or interrupted;(ii) R.sub.3 and/or R.sub.4 denote(s) a group:R.sub.8 [OC.sub.2 H.sub.3 R.sub.7 ].sub.n [OCH.sub.2 CHOH--CH.sub.2 ].sub.pin which 0.ltoreq.n.ltoreq.4 and p denotes 0 or 1; R.sub.8 denotes H or an alkyl, alkenyl, alkylcycloalkyl or alkylaryl radical;(iii) R.sub.4 denotes an alkylphenyl radical;(iv), (v) R.sub.1 and R.sub.2 can form a saturated or unsaturated aromatic or non-aromatic heterocycle;(vi) R.sub.1, R.sub.2 and R.sub.3 form polycyclic derivatives with the nitrogen atoms; R.sub.5 denotes a group corresponding to the formula: ##STR2## in which n is an integer varying between 0 and 10.

Abstract: An improved for preparing N-substituted carbamate comprising reaction of a selected olefin or alcohol with a carbamate in the presence of a catalyst comprising a blend of a perfluorinated sulfonic acid polymer and a perfluorinated polymer diluent in a substantially nonpolar reaction mixture.

Abstract: A method of combatting plant nematodes which comprises applying to the soil or the plant, an effective amount of a compound of general formula I ##STR1## wherein Ar, X, R.sub.1, R.sub.2, R.sub.4 and R.sub.5 have the meanings given in the description, is described. Some of the compounds also form part of the invention.

Abstract: Polymers, such as polyisobutylene or ethylene-propylene copolymers, are functionalized by reaction with an activated imine to yield novel polymers.

Abstract: Polymers, such as polysiobutylene or ethylene-propylene copolymers, are functionalized by reaction with an activated imine to yield novel polymers.

Abstract: The invention relates to carbonates of formula: ##STR1## in which X is a fluorine, chlorine or bromine atom and R.sup.1 is different from the ##STR2## group and represents: a substituted or non-substituted, saturated or unsaturated, aliphatic, araliphatic, primary, secondary, tertiary or cycloaliphatic radical. These .alpha.-chlorinated carbonates are prepared by the action of a compound of formula R.sup.1 OH on a chloroformate of formula: ##STR3## in a solvent medium in the presence of an acid scavenger which is added after the two preceding compounds. They are used to block the amine function of amino acids. The .alpha.-chlorinated carbonate and amino acid are reacted in a solvent medium at a temperature of -5.degree. to 100.degree. C. in the presence of an acid scavenger. Blocked amines are very useful in peptide synthesis.

Abstract: Compounds of the formula ##STR1## wherein R is halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, cyano, nitro, S(O).sub.n R wherein R is C.sub.1 -C.sub.4 alkyl and n is the integer 0, 1 or 2; and R.sup.2 through R.sup.8 are hydrogen or certain substituents, their salts, herbicidal compositions containing the compound or salts and the herbicidal use thereof.

Abstract: The present invention relates to 3-aminomethyl derivatives of indane, dihydrobenzofurane, dihydrobenzothiophene, and indoline, acid addition salts thereof, isomers thereof, methods of preparation, pharmaceutical compositions and method of treating CNS-disorders such as schizophrenia, Parkinson's disease, depression, anxiety, migraine and senile dementia, or in the cure of cardiovascular diseases, by administering such a derivative.

Abstract: The present invention relates to new carbazates of the formula (I) ##STR1## wherein A is C.sub.3 to C.sub.10 alkenyl, C.sub.2 to C.sub.10 haloalkyl, trifluoromethyl, phenyl-C.sub.1 to C.sub.3 alkyl, phenyl-C.sub.2 to C.sub.3 alkenyl, naphthyl-C.sub.1 to C.sub.3 alkyl, C.sub.3 to C.sub.7 cycloalkyl-C.sub.1 to C.sub.3 alkyl, furyl which can be nitro-substituted, diphenyl-hydroxymethyl or indazolyl which can be substituted by one or more C.sub.1 to C.sub.4 alkoxy groups; andR is C.sub.1 to C.sub.4 alkyl,and acid addition salts thereof, a process for the preparation thereof and feed additives comprising the same.The compounds of formula (I) may be used in animal husbandry due to their weight-gain increasing and fodder utilization improving effect.

Abstract: A process is disclosed for the preparation of aralkyl mono- and diurethanes or ureas by carbamylmethylation, or acid-catalyzed addition at a temperature of 40.degree. C. to about 100.degree. C. of formaldehyde and esters of carbamic acid to aromatic hydrocarbons. Aralkyl carbamates and ureas formed by this process can be cracked directly to produce aralkyl diisocyanates, or hydrogenated and then cracked to produce aliphatic diisocyanates, or reacted directly with polyols to produce polyurethanes by functioning as blocked isocyanates.

Abstract: Vinyl ether terminated urethane resins may be prepared by reacting the product obtained by the addition of acetylene to an organic polyol with an isocyanate-containing compound at temperatures ranging from about ambient to about 125.degree. C. The thus prepared resin may then be cured by irradiation from an electron beam, thermally or by exposure to an ultraviolet light to cure the resin and form a coating material.

Abstract: The present invention relates to a method of manufacturing aromatic urethane, an aromatic mononitro-compound, an aromatic primary amine, and carbon monoxide being reacted using a catalyst containing a platinum group metal-containing compound as a major constituent to prepare N,N'-di-substituted urea. The resultant N,N'-di-substituted urea is reacted with a hydroxyl group-containing organic compound to prepare an aromatic primary amine and aromatic urethane, and the aromatic primary amine is separated to obtain aromatic urethane.