Abstract: Novel benzoxazole compound having, at the 2 position, a group bonding through a carbon atom having no or one hydrogen atom and introduced with a chlorine or bromine atom at the 5 position. The compounds are key intermediates useful for preparing 2-amino-5-nitrophenol derivatives which are useful as intermediates for synthesis of industrial materials, reducing agents, antioxidants, cyan-image-forming couplers and the like.

Abstract: An improved photographic support, especially useful for color prints, is comprised of a paper base material having thereon a polyolefin coating containing a white pigment and a mixture of optical brighteners, such mixture comprising certain fluorescent bis(benzoxazolyl)stilbenes. The support exhibits improved brightness at low brightener concentration and unexpected resistance to brightener exudation.

Abstract: This invention relates to herbicidally active substituted benzoxazole (or benzothiazole) compounds and to the use of such compounds to control the growth of noxious plants, i.e., weeds.

Abstract: Novel bisisoindoline pigments of the formula (I) ##STR1## where the radicals A are identical or different radicals of a methylene-active compound, X is a divalent radical and the rings L are each unsubstituted or substituted, possess good fastness properties and are therefore suitable for a very wide range of applications, for example for pigmenting plastics, printing inks and surface coatings.

Abstract: The adducts of isocyanates wtih benzoxazolones or benzoxazinediones are novel compounds which may be employed as blocked isocyanates and are particularly useful as latent, epoxide curing agents. At typical epoxide curing temperatures, the isocyanate is oxirane or hydroxyl reactive and the benzoxazole or benzoxazinedione acts like a di- or trifunctional phenol, respectively.

Abstract: A process for the production of a product selected from the group consisting of a 2-oxazoline or a 2-oxazine and a 2-imidazoline or a 2-imidazine comprising reacting a bicyclic amide acetal with a member selected from the group consisting of an alkanol amine and an alkylene polyamine, respectively, at a temperature in the range of from about 20.degree. C. to 200.degree. C. is described.

Abstract: The process for preparing novel monomers and polymers by reaction of a bicyclic amide acetal with an imide compound at a temperature in the range of from about 0.degree. C. to 250.degree. C. is disclosed.

Abstract: An improved process for preparing bicyclic amide acetals from an organic nitrile and a dialkanol amine wherein the reaction temperature is maintained in the range of from room temperature to 140.degree. C., and the bicyclic amide acetal product is removed from the reaction mixture by extraction into a hydrocarbon or organic nitrile solvent prior to its purification is described.

Abstract: A process for preparing 4,4'-bis-benz-ox(-thi,-imid)-azol-2-yl-stilbenes of the formula ##STR1## wherein R, R.sup.1, R.sup.2 and R.sup.3 may be the same or different from each other and denote hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, chlorine, bromine, nitro or sulfo and X denotes oxygen, sulfur or NH, which comprises reacting a (4-chloromethyl)-iminobenzoic acid alkyl ester of the formula ##STR2## wherein R denotes C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxyethyl, or HCl salts thereof, with o-aminophenol, o-aminothiophenol or o-phenylene diamine and reacting the resulting 2-benz-ox(-thi,-imid)-azolyl-4-chloromethyl-benzenes with potassium hydroxide or sodium hydroxide in a polar aprotic solvent.

Abstract: Compounds of the formula: ##STR1## wherein, R is H, alkyl, cycloalkyl, aryl, or heteroaryl;R.sub.1 is H, alkyl, cycloalkyl, aryl, heteroaryl, substituted heteroaryl, aralkyl, substituted aryl, halo, OR.sup.2, SR.sup.2, NR.sub.2, CF.sub.3, NO.sub.2, CN, COOR.sup.2, CHO, SO.sub.3 H or SO.sub.2 NH.sub.2,whereinR.sup.2 is H, methyl, ethyl or propyl;Y is ##STR2## Z is O, S, NH or CH.sub.2 ; X is --CH.sub.2 --, ##STR3## or --(CH.sub.2).sub.n CHOH(CH.sub.2).sub.n --; whereinR.sup.2 is H, methyl, ethyl or propyl;n is 1-10, and pharmaceutically acceptable salts thereof have antiallergy and antiinflammatory activity.

Abstract: Quaternary sulfoalkyl or sulfoalkenyl salts of tertiary amine bases are prepared by reacting the tertiary amine bases at elevated temperatures with a hydroxy alkane sulfonic acid or a hydroxyalkene sulphonic acid.

Abstract: A process for the preparation of 4,4'-bis[benz(ox, othi or imid)azol-2-yl]stilbenes of the formula ##STR1## in which R, R.sup.1, R.sup.2 and R.sup.3 are identical or different and denote hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, chlorine, bromine, nitro or sulfo and X denotes oxygen, sulfur or NH, by reacting alkyl (4-halomethyl)iminobenzoates of the formula ##STR2## or their HCl or HBr salts, R denoting C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxyethyl and X denoting Cl or Br, with o-aminophenol, o-aminothiophenol or o-phenylenediamine and allowing the 2-benz(ox, othi or imid)azol-4-ylhalomethylbenzenes obtained thereby to react with an approximately equivalent amount of sodium tert.-butylate. The stilbene compounds obtained thereby are used as optical brighteners.

Abstract: Process for the preparation of 2-benzoxazolone and derivatives by the reaction, in the liquid phase, at a temperature from 100.degree. to 500.degree. C. and a pressure from 20 to 500 bars, of an ortho-nitrophenol of the formula: ##STR1## in which R represents a hydrogen or halogen atom, an alkyl group containing from 1 to 10 carbon atoms or an alkoxy group OR' in which R' represents an alkyl group containing from 1 to 10 carbon atoms, and carbon monoxide under pressure, characterized in that the process is carried out in the presence ofa. a supported catalyst formed by the association of a noble metal of Group VIII and a second transition metal selected from Groups, V.sub.b, VI.sub.b or VIII of the Periodic Classification, in the metallic or oxide form, andb. a nitrogenous heteroaromatic base; the process may be carried out in the presence of a solvent.

Abstract: This invention relates to a novel 4-halogeno-5-(halogenomethyl-phenyl)-oxazole derivative; to a radiation-sensitive composition which, as the radiation-sensitive compound, contains a 4-halogeno-5-(halogenomethyl-phenyl)-oxazole derivative; and to a process for the preparation of the novel 4-halogeno-5-(halogenomethyl-phenyl)-oxazole derivatives.

Abstract: This invention relates to a novel 2-(halogenomethyl-phenyl)-4-halogeno-oxazole derivative; to a radiation-sensitive composition which, as the radiation-sensitive compound, contains a 2-halogenomethyl-phenyl)-4-halogeno-oxazole derivative; and to a process for the preparation of the novel 2-(halogenomethyl-phenyl)-4-halogeno-oxazole derivatives.

Abstract: Racemic or optically active compounds of the formulaQ--C.sub.n H.sub.2n --NH--Rwherein Q is ##STR1## where R.sub.1 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, trifluoromethyl or amino,R.sub.2 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or trifluoromethyl, orR.sub.1 and R.sub.2, together with each other, are methylenedioxy or ethylenedioxy;n is an integer from 2 to 6, inclusive; andR is hydrogen, benzyl or ##STR2## and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as vasodilators and CNS-stimulators.

Abstract: Benzazolyl compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are specific substituents, X is oxygen or R.sub.3 N--, Q is a radical of the formula ##STR2## wherein R.sub.4 denotes specific substituents, and A is 2,5-furylene, 2,5-thenylene or a bridge member which contains at least one double bond between 2 carbon atoms or is the direct bond. These compounds are obtained by condensation of organic carboxylic acids with aminobenzenes in diphenyl ether or a mixture of diphenyl ether and diphenyl.

Abstract: Direct-positive photographic material which has at least one layer which contains a silver halide emulsion surface-fogged by chemical means or by exposure and, as a sensitizer, a trinuclear tetramethinecyanine dye in which all or some of the methine hydrogen atoms have been replaced by fluorine, chlorine, bromine or iodine atoms. The novel trinuclear tetramethinecyanine dyes impart an excellent blue-sensitivity to the photographic materials. Furthermore, high maximum densities and very low minimum densities are achieved.

Abstract: Racemic and optically active compounds of the formulaQ--C.sub.n H.sub.2n --NH--RwhereinQ is ##STR1## where R.sub.1 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, trifluoromethyl or amino,R.sub.2 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atomsor trifluoromethyl,R.sub.1 and R.sub.2, together with each other, are methylenedioxy or ethylenedioxy, andA is --O--, --CH.sub.2 --CH.sub.2 --, or --NR.sub.3 -- where R.sub.3 is hydrogen or alkyl of 1 to 4 carbon atoms,n is an integer from 2 to 6, inclusive, andR is hydrogen, benzyl or ##STR2## where R.sub.4 is hydrogen, methyl or ethyl,R.sub.5, R.sub.6 and R.sub.7, which may be identical to or different from each other, are each hydrogen, halogen, hydroxymethyl, trifluoromethyl, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, nitro, cyano, --CONHR.sub.3, --CONHOH, --COOR.sub.3, R.sub.8 O--, methylsulfonylmethyl or, when one or two of R.sub.5 through R.sub.

Abstract: New benzoheterocyclic oxadiazolones and triazolones are described. These compounds are useful as anti-allergic reagents.

Abstract: A process for the manufacture of 2,5-bis-(benzoxazolyl)-thiophenes of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 represent hydrogen or certain non-chromophoric substituents and each of R.sub.4 and R.sub.5 independently represents a hydrogen atom or an alkyl group or together they represent a trimethylene or tetramethylene radical, by reacting a sulphide of the formula ##STR2## with a dicarbonyl compound of the formula ##STR3## or with a derivative thereof is described.

Abstract: A dispersant or dispersant mixture that is useful in fuel and lubricant compositions, and that is characterized by its derivation from a long chain dicarboxylic acid material and an amino alcohol, is stabilized against oxidation by sulfurization by reaction with sulfur or with a sulfur compound selected from the group consisting of carbon disulfide, sulfides of phosphorus including P.sub.2 S.sub.5 and P.sub.4 S.sub.3, and phosphosulfurized olefins. More particularly, the dispersant so treated will usually comprise a mono or bis-oxazoline prepared by reaction of a hydrocarbyl-substituted C.sub.4 -C.sub.10 dicarboxylic acid or anhydride or ester thereof, having at least 50 carbon atoms in the hydrocarbyl group, with a 2,2-disubstituted 2-amino-1-alkanol that has from two to three hydroxy groups and that contains from 4 to 8 total carbon atoms.

Abstract: The subject of the invention are dyestuffs of the formula ##STR1## wherein R is hydrogen or a hydrocarbon radicalQ is arylX is .dbd.C(W)-- or .dbd.N--,W is a nitrile ester or amide groups andA represents the remaining members of a heterocyclic radical.The dyestuff are preferably suitable for dyeing polyester fibres which are dyed in orange, red, violet or bluish shades with good fastness to light.

Abstract: The invention relates to polychromophoric dibenzoxazole compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the polychromophoric dibenzoxazole composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.