Abstract: The present invention relates to a photopolymerization process comprising irradiating a photopolymerizable material with U.V. light of wave length 250 to 400 nm in the presence of a photosensitizing amount of a photoinitiator of formula I, ##STR1## in which R is hydrogen or halogenR.sub.1 is alkyl, cycloalkyl, benzyl, optionally substituted phenyl or (a) ##STR2## either R.sub.2 is optionally substituted alkyl, benzyl, C.sub.6 H.sub.5 --CH.dbd.CH--, 2-thienyl, 2-furyl, 2-(3-chloro)benzothienyl or optionally substituted phenyl, andR.sub.3 is hydrogen or R.sub.2 and R.sub.3 form a radical of formula (b) ##STR3## in which X is a direct bond, --O--, --S--, --CH.sub.2 --, ##STR4## and R.sub.4 and R' have one of the significances of R.sub.2 and R, respectively,with the proviso that when R.sub.1 is (a) R.sub.3 is hydrogen and R.sub.2 and R.sub.4 are free from halogen atoms.

Abstract: Compounds of the formula ##STR1## in which D is ##STR2## in which R.sub.1 is trifluoromethyl, --COOM.sub.1 --COOR.sub.2 ; or a group of the formula or --NHR.sub.3, --NR.sub.3 R.sub.4 or --NR.sub.5 COR.sub.6 in a position meta or para to the azo group, ring A being optionally further substituted by a total of up to two further substituents selected from halogen, (C.sub.1-4)alkyl, (C.sub.1-4)alkoxy and trifluoromethyl (only one further trifluoromethyl group),R.sub.2 is (C.sub.1-12)alkyl,each of R.sub.3 and R.sub.4, independently, is (C.sub.1-6)alkyl,R.sub.5 is hydrogen or (C.sub.1-4)alkyl,R.sub.6 is (C.sub.1-6)alkyl, (C.sub.1-6)alkoxy or (C.sub.1-6)alkyl monosubstituted by chlorine or methoxy,B is a divalent radical of the 1,4-phenylene, 1,4-naphthylene or 1,2,3,4-tetrahydronaphthylene-5,8 series, andeach of M and M.sub.1, independently, is hydrogen or an equivalent of a non-chromophoric cation, with the proviso that the molecule contains a single --SO.sub.

Abstract: The present invention relates to a compound of formula I, ##STR1## wherein A is straight chain alkylene of 2 to 4 carbon atoms, or straight chain alkenylene of 2 to 4 carbon atoms,n is 1, 2 or 3,R is hydrogen or halogen of atomic number from 9 to 35, andeither (i) R.sub.1 is a group of formula II, ##STR2## wherein R.sub.2 and R.sub.3, independently, are hydrogen or alkyl of 1 to 4 carbon atoms, andR.sub.4 is alkyl of 1 to 4 carbon atoms, alkoxyalkyl of 2 to 5 carbon atoms, alkylthioalkyl of 2 to 5 carbon atoms, phenylalkyl or phenoxyalkyl or phenylthioalkyl, wherein the alkyl moiety has from 1 to 3 carbon atoms, or phenyl, the phenyl ring of each of the last four radicals being unsubstituted or mono-substituted by, or disubstituted independently by, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, hydroxy or halogen of atomic number from 9 to 35, andR.sub.5 is hydrogen,or (ii) R.sub.1 and R.sub.

Abstract: Novel Cephalosporin C derivatives, their production and their use in isolating Cephalosporin C from culture filtrates for subsequent conversion of 7-aminocephalosporanic acid.

Abstract: The compounds are 1-(3-halo-1,2-dioxopropyl)-cycloamines, eg 1-(3-chloro-1,2-dioxopropyl)-piperidine, and are useful as fungicides and bactericides. They can be prepared by halogenation of a corresponding 1-(1,2-dioxopropyl)-cycloamine.

Abstract: The compounds are free hydantoin derivatives of the formula: ##STR1## wherein X is a divalent radical consisting of from 2 to 5 linked units; one unit being --O--, and from one to 4 hydrocarbon units, independently, having the structure(a) --CH.sub.2 -- or (b) --C(R).sub.2 --in which R is alkyl having from 1 to 6 carbon atoms and being free of branching on the .alpha.-carbon atoms; provided that no more than 2 units are of type b; or a pharmaceutically acceptable salt form thereof with a suitable cation; e.g. 7-oxa-1,3-diazaspiro[4.4]nonane-2,4-dione, and are useful as pharmaceuticals.

Abstract: The invention provides novel penicillins and cephalosporins of formula I, ##STR1## methods for their production and their anti-bacterial use.

Abstract: The invention relates to stilbene derivatives which are used as optical brightening agents, particularly as anionic brightening agents for polyamide and cellulosic substrates. These stilbene derivatives have the formula I ##STR1## in which both X's are the same and are CR.sub.5 or N, where R.sub.5 is hydrogen, C.sub.1-4 alkyl or phenyl;both Y's are the same and are each one of the radicals of benzofuran, triazole, pyrazole, dibenzofuran or dibenzothiophene and benzothiophene, andR.sub.1 is as defined in the specification.

Abstract: A process for the synthesis of an azobenzene compound having a cyano group in one or both of the ortho positions of the diazo component radical comprising reacting the corresponding azobenzene compound having a chloro, bromo or iodo substituent in one or both of the ortho positions of the diazo component radical with a copper thiocyanate or copper thiocyanate-forming mixture of salts in the presence of an oxidizing agent (e.g., oxygen and sodium perborate), whereby the or at least one of the chloro, bromo and iodo substituents is replaced by a cyano group.

Abstract: Ergots are described which are useful in the treatment of minimal brain dysfunction in children. A particularly useful compound is co-dergocrine.

Abstract: The present invention relates to the compounds of formula I ##STR1## and metal complexes thereof, in which both R.sub.1 's are hydrogen or halogen or form a condensed ring of the benzene series, or --S--CH.sub.2 CH.sub.2 --S--, andR.sub.3 is hydrogen, a mono- or dicyclic-aromatic group or is a divalent radical of the phenylene or naphthalene series linking one further compound of formula I, wherein R.sub.3 is a direct bond and the R.sub.1 groups are the same as or different from the R.sub.1 groups of the first compound of formula I,which metal complexes are either 1:1 metal complexes when R.sub.3 is a divalent linking radical, or 1:2 metal complexes of monomeric compounds of formula I such 1:2 complexes being symmetric or asymmetric and the metal is a divalent transition metal, the complexes are useful as pigments.

Abstract: Compounds of the formula II: ##STR1## are produced by reacting a compound of the formula III ##STR2## with a compound of the formula IV: ##STR3## wherein R.sub.1 is hydrogen, alkyl of 1 to 5 carbon atoms, cycloalkyl of 3 to 6 carbon atoms, alkyl of 1 to 4 carbon atoms substituted by cycloalkyl of 3 to 6 carbon atoms, polyhaloalkyl of 1 to 5 carbon atoms, allyl, propargyl, enzyl or aryl,R.sub.2 is hydrogen, halogen, alkyl or alkoxy, each of 1 to 4 carbon atoms, trifluoromethyl, nitro, alkylamino or dialkylamino, wherein the alkyl groups have 1 to 4 carbon atoms, or aryl,R.sub.3 is hydrogen, halogen, alkyl or alkoxy, each of 1 to 4 carbon atoms, or aryl,R.sub.4 is hydrogen, nitro, halogen, alkyl or alkoxy each of 1 to 4 carbon atoms or aryl,R.sub.5 is hydrogen, halogen, alkyl, alkylthio or alkoxy each of 1 to 4 carbon atoms, nitro, trifluoromethyl or aryl,R.sub.6 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms, benzyl or aryl, andR is alkyl of 1 to 4 carbon atoms.

Abstract: Compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, alkyl of 1 to 6 carbon atoms or amino,R.sub.2 is hydrogen or alkyl of 1 to 6 carbon atoms, with the provisos that (1) at least one of R.sub.1 and R.sub.2 is not a tertiary alkyl group and (2) R.sub.2 is hydrogen when R.sub.1 is amino, orR.sub.1 and R.sub.2 taken together and with the nitrogen atom to which they are joined are pyrrolidino,piperidino or N'-2-hydroxyethylpiperazino,each X' is independently alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms or halo or two X's on adjacent carbon atoms together are methylenedioxy, andn is 0, 1, 2 or 3,and the pharmaceutically acceptable acid addition salts thereof,are useful as anti-obesity and anti-diabetic agents.The compounds wherein R.sub.1 is alkyl and R.sub.2 is hydrogen are synthesized by a two-step synthesis from 2-alkyl-5-arylisoxazolium salts and ethylenediamine. The compounds wherein R.sub.1 and R.sub.

Abstract: The analgesic use of compounds of formula I ##STR1## wherein R is hydrogen, acetyl or a group of formula IIR'--O--CO-- IIwherein R' is alkyl (C.sub.1-8); phenyl; phenyl substituted in the 4-position with halogen, alkoxy(C.sub.1-4) or alkyl(C.sub.1-4); phenylalkyl; or phenylalkyl in which the phenyl group is substituted in the 4-position with halogen, alkoxy(C.sub.1-4) or alkyl (C.sub.1-4).

Abstract: Compounds of the formula ##STR1## in which R.sub.1 is hydrogen or methyl,either R.sub.2 is hydrogen; C.sub.1-6 alkyl; C.sub.1-4 alkyl monosubstituted by halo or phenyl; C.sub.2-4 alkyl monosubstituted in the 2-, 3- or 4-position by hydroxy or C.sub.1-2 alkoxy; C.sub.5-7 cycloalkyl; C.sub.5-7 cycloalkyl substituted by one to three C.sub.1-4 alkyl groups; phenyl; phenyl substituted by one or two substituents selected from the group consisting of halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; or --CH.sub.2 CH.sub.2 SO.sub.3 H, andR.sub.3 is hydrogen or C.sub.1-6 alkyl,or R.sub.2 and R.sub.3, together with the nitrogen atom to which they are bound, form a 5- or 6-membered saturated heterocyclic ring,and mixtures thereof, which compounds are in free acid or salt form, useful for dyeing and printing hydroxy group-containing and amido group-containing organic substrates such as natural and synthetic polyamides (e.g., wool, silk and nylon) and natural and regenerated cellulose (e.g., cotton, viscose and spun rayon).

Abstract: Compounds of the formula ##STR1## in which R is --CH.sub.3, --C.sub.2 H.sub.5, --CH.sub.2 CH.sub.2 OH, --CH.sub.2 CH(OH)CH.sub.3 or --CH.sub.2 CH.dbd.CH.sub.2 ;R.sub.1 is --H or --CH.sub.3 ;R.sub.2 is --H or --CH.sub.3 ;R.sub.3 is --OCH.sub.3 or --OC.sub.2 H.sub.5 ;R.sub.4 is --H, --CH.sub.3, --C.sub.2 H.sub.5, n- or i- C.sub.3 H.sub.7, --CH.sub.2 CH.sub.2 OH or --CH.sub.2 CH.dbd.CH.sub.2 ;R.sub.5 is --H, --CH.sub.3, --C.sub.2 H.sub.5, n- or i- C.sub.3 H.sub.7 or R.sub.3 and R.sub.5 together with the N-atom to which R.sub.5 is attached and ring B form the group ##STR2## wherein R.sub.2 and R.sub.4 are as defined above, andR.sub.6 is --H or CH.sub.3 ; andA.sup..crclbar. is an anion,which are suitable for use as dyes, particularly for dyeing textile substrates comprising or consisting of homopolymers and copolymers of acrylomotrile or asymmetric dicyanoethylene, polyamides modified to contain acid groups and polyesters modified to contain acid groups and for leather, paper and plastics.

Abstract: A process for dyeing or printing with reactive dyestuffs a substrate consisting of or comprising cellulosic fibres, comprises using for the fixation of the reactive dyestuffs an aqueous solution of an alkaline system at a pH of from 9 to 13 comprising (a) an alkali metal silicate, and (b) an alkali metal borate, and optionally (c) an alkali metal bicarbonate and/or (d) an alkali metal carbonate.

Abstract: Aryl phosphonites and thiophosphonites of the formula, ##STR1## in which the or each R, independently, is alkyl, alkoxy, chlorine or dialkylamino, there being at the most one dialkylamino group, at the 4-position and unaccompanied by any other substituents, on the benzene nucleus,n is zero, 1, 2 or 3,each X, independently, is oxygen or sulphur,and each R.sub.1, independently, is alkyl or optionally substituted phenyl,are useful as antioxidants. Organic material, e.g. polypropylene, which are susceptible to the degradative effects of oxygen, are treated with one or more of such compounds, e.g. by incorporation into the body of the organic material, in order to be stabilized against such effects.

Abstract: The present invention provides tetraline derivatives, useful for the treatment of hypertension, a process for their preparation and compositions containing these compounds.

Abstract: Compounds of formula I, ##STR1## wherein R is hydrogen, alkyl (C.sub.1-4) or hydroxyalkyl (C.sub.2-3), are useful as neuroleptics, sleep promoters, myotonolytics, and anti-depressants.