Ciba-geigy Corporation

Ciba-geigy Ag

Eginhard Steiner

Pierre Martin

Harry Beyeler

Rinaldo Husler

Martin Riediker

Manfred Rembold

Daniel Bellus

Fabio Beffa

Franciszek Sitek

Manfred Boger

Gerhard Back

Kurt Dietliker

Vincent Desobry

Hans Greuter

Bernd Klingert

Peter Maienfisch

Georg Pissiotas

Josef Ehrenfreund

Hans-Georg Brunner

Hans Moser

Andreas Schmidt

Francissek Sitek

Titanocenes of the formula I ##STR1## in which R.sup.1 are cyclopentadienyl.sup..crclbar. groups and R.sup.2 and R.sup.3 are aromatic radicals which are substituted in both ortho-positions by fluorine and, in addition, are substituted by an acyloxy group are suitable as photoinitiators for the photopolymerization of ethylenically unsaturated compounds.

Oxygen-containing titanocenes, and the use thereof

Cycloalkanecarboxylic acid derivatives of formula I ##STR1## wherein W is ##STR2## and A is CO--R.sub.3 or CN; R.sub.1 is hydrogen or fluorine; R.sub.2 is halogen or cyano; R.sub.3 is chlorine, X--R.sub.5, amino, C.sub.1 -C.sub.4 alkylamino, d-C.sub.1 -C.sub.4 alkylamino, C.sub.2 -C.sub.4 haloalkylamino, di-C.sub.2 -C.sub.4 haloalkylamino, C.sub.1 -C.sub.4 hydroxyalkylamino, di-C.sub.1 -C.sub.4 hydroxyalkylamino, C.sub.3 -C.sub.4 alkenylamino, diallylamino, --N-pyrrolidino, --N-piperidino, --N-morpholino, --N-thiomorpholino, --N-piperidazino, the group --O--N.dbd.C--(R.sub.9)R.sub.10 or the group --N--R.sub.6 (OR.sub.6); each of R.sub.4 and R.sub.14, independently of the other, is hydrogen, fluorine, chlorine, bromine, C.sub.1 -C.sub.4 alkyl or trifluoromethyl; R.sub.5 is hydrogen, C.sub.1 -C.sub.10 alkyl, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.8 alkyl, C.sub.1 -C.sub.10 alkylthio-C.sub.1 -C.sub.4 alkyl, di-C.sub.1 -C.sub.4 alkylamino-C.sub.1 -C.sub.4 alkyl, cyano-C.sub.1 -C.sub.8 alkyl, C.sub.3 -C.sub.8 alkenyl, halo-C.sub.3 -C.sub. 8 alkenyl, C.sub.3 -C.sub.8 alkynyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.3 -C.sub.7 cycloalkyl-C.sub.1 -C.sub.4 alkyl or halo-C.sub.3 -C.sub.7 cycloalkyl, or benzyl which is unsubstituted or substituted at the phenyl ring by up to three identical or different substituents selected from halogen, C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.4 alkoxy or C.sub.1 -C.sub.4 alkoxy, or is an alkali metal ion, an alkaline earth metal ion or an ammonium ion, the group --[CHR.sub.6 --(CH.sub.2).sub.m ]--COOR.sub.7, or the group [CHR.sub.6 --(CH.sub.2).sub.t --Si(R.sub.8).sub.3 ]; R.sub.6 is hydrogen or C.sub.1 -C.sub.4 alkyl; R.sub.7 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.8 alkenyl, C.sub.3 -C.sub.8 alkynyl, C.sub.1 -C.sub.8 alkoxy-C.sub.2 -C.sub.8 alkyl, C.sub.1 -C.sub.8 alkylthio-C.sub.2 -C.sub.8 alkyl or C.sub.3 -C.sub.7 cycloalkyl; R.sub.8 is C.sub.1 - C.sub.4 alkyl; R.sub.9 is C.sub.1 -C.sub.4 alkyl; R.sub.10 is C.sub.1 -C.sub.4 alkyl or phenyl; or R.sub.9 and R.sub.10, together with the carbon atom to which they are bonded, form a cyclohexane ring; R.sub.11 is C.sub.1 -C.sub.8 alkyl; R.sub.12 is hydrogen or C.sub.1 -C.sub.8 alkyl; R.sub.13 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.3 -C.sub.7 cycloalkyl, C.sub.1 -C.sub.4 alkoxy-C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkylthio-C.sub.1 -C.sub.4 alkyl, halo-C.sub.1 -C.sub.7 alkyl, C.sub.3 -C.sub.7 alkenyl or C.sub.3 -C.sub.7 alkynyl; X, Y, Y.sub.1, Y.sub.2, Y.sub.3, Y.sub.4, Z.sub.1 and Z.sub.2 are each independently oxygen or sulfur; n is 0, 1, 2, 3 or 4; m is 0, 1, 2, 3 or 4; q is 1 or 2; and t is 0, 1, 2, 3 or 4, have good pre- and post-emergence selective herbicidal and growth regulating properties.

Herbicidally active thiadiazabicyclononanes and nonenes

Novel 4-chloro-4,4-difluorothiobutyric acid derivatives of the formula I ##STR1## in which R.sub.1 and R.sub.2 are, independently of one another, hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 halogenoalkyl and R.sub.3 is hydrogen or an organic radical can be employed as pest-control agents. Control of insects and arachnids is possible and preferable.

Thiobutyric acid derivatives

Titanocenes containing two 5-membered cyclodienyl groups, for example cyclopentadienyl, and one or two 6-membered carbocyclic or 5- or 6-membered heterocyclic aromatic rings which are substituted by a fluorine atom in at least one of the two ortho-positions to the titanium-carbon bond and contain, as a further substituent, unsubstituted or substituted 1-pyrryl, are suitable as photoinitiators for radiation-induced polymerization of ethylenically unsaturated compounds.

Titanocenes, the use thereof, and N-substituted pyrroles

Titanocenes of the formula I ##STR1## in which R.sup.1 are cyclopentadienyl.sup..crclbar. groups and R.sup.2 and R.sup.3 are aromatic radicals which are substituted in both ortho-positions by fluorine and, in addition, are substituted by a pyrrylalkyl group, amidoalkyl group or imidoalkyl group, are suitable as photoinitiators for the photopolymerization of ethylenically unsaturated compounds.

Novel nitrogen-containing titanocenes, and the use thereof

Titanocenes with, for example, .pi.-cyclopentadienyl ligands in which one or two carbo- or heterocyclic aromatic rings are bonded to the titanium, the aromatic rings being substituted by fluorine in at least one of the two ortho-positions relative to the metal-carbon bond and being substituted by at least one free or etherified or esterified polyoxaalkylene radical, are suitable as photoinitiators for the photopolymerization of ethylenically unsaturated substrates.

Process for the photographic production of relief images using selected

Titanocenes containing two 5-membered cyclodienyl gropus, for example cyclopentadienyl, and one or two 6-membered carbocyclic or 5- or 6-membered heterocyclic aromatic rings which are substituted by a fluorine atom in at least one of the two ortho-positions to the titanium-carbon bond and contain, as further substituents, a substituted amino radical, are suitable as photoinitiators for radiation-induced polymerization of ethylenically unsaturated compounds.

Titanocenes, the use thereof, and n-substituted fluoroanilines

Titanocenes with, for example, .pi.-cyclopentadienyl ligands in which one or two carbo- or heterocyclic aromatic rings are bonded to the titanium, the aromatic rings being substituted by fluorine in at least one of the two ortho-positions relative to the matal-carbon bond and being substituted by at least one free or etherified or esterified polyoxaalkylene radical, are suitable as photoinitiators for the photopolymerization of ethylenically unsaturated substrates.

Titanocenes and their use

2,2,4,4-Tetrasubstituted-4-formylbutyronitriles are intermediates for the preparation of the known 2-chloro-3,5-dimethylpyridine and 2,5-dichloro-3-methylpyridine which in turn are suitable for the production of different compounds, in particular insecticides and herbicides.

2,2,4,4-tetrasubstituted 4-formylbutyronitrile intermediates for the

Novel 5-haloalkyl-pyridines suitable for producing pesticidal compositions, particularly insecticides, and corresponding to the formula ##STR1## wherein R is a C.sub.2 -C.sub.10 -alkyl group which is uniformly or nonuniformly substituted by 1 to 21 halogen atoms, and X is halogen; processes for producing them, as well as to the novel starting products and intermediates used or intermediately produced or formed in the production processes.

5-Haloalkyl-pyridines

Novel substituted N-(2-pyridyloxyphenyl)-N'-benzoylureas of the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are each hydrogen, methyl or halogen,

N-(2-Pyridyloxyphenyl)-N'-benzoyl ureas, pesticidal compositions

Chloropyridines of the formula ##STR1## wherein either R is chlorine and R' is methyl or trifluoromethyl, or R is methyl, trichloromethyl or trifluoromethyl and R' is chlorine, or R and R' are methyl, can be obtained by a novel, simple process by the addition of trichloroacetaldehyde to methacrylonitrile or .alpha.-trifluoromethacrylonitrile, 2,2-dichloropropionaldehyde, pentachloropropionaldehyde or 2,2-dichloro-3,3,3-trifluoropropionaldehyde to acrylonitrile, or 2,2-dichloropropionaldehyde to methacrylonitrile, in the presence of a catalyst, in particular copper powder or copper(I) chloride, and cyclizing the open-chain intermediate obtained. The chloropyridines of the formula (I) are known per se and are suitable for the production of different compounds, in particular of insecticides and herbicides.

Growing community of inventors

Fullinsdorf, Switzerland

Eginhard Steiner