Patent number: 6696110
Abstract: Liquid crystal mixtures comprising at least one of the compounds of formula (I) containing a heterocyclic five-membered ring and with a carbon-carbon double bond in the termninal group are new.
RJ=CnH2n+1CH=CHCmH2mZ1; n=1-5; m=0-5; and q=0, 1 or 2; A1 and A2=2,5-disubstituted furan, 2,5-disubstituted thiophene, 2,5-disubstituted oxazole, 2,5-disubstituted thiazole, 2,5-disubstituted 1,3,4-oxadiazole, 2,5-disubstituted 1,3,4-thiadiazole, 1,4-disubstituted benzene, 2,5-disubstituted pyrimidine, 2,5-disubstituted pyridine, 2,6-disubstituted naphthalene; laterally substituted 1,4-disubstituted benzene, laterally substituted 2,5-disubstituted pyrimidine, laterally substituted 2,5-disubstituted pyridine or laterally substituted 2,6-disubstituted naphthalene (lateral substituents=F, Cl, Br or CN); A3=any A1 or 1,4-disubstituted bicyclo(2.2.
Type:
Grant
Filed:
November 26, 2001
Date of Patent:
February 24, 2004
Assignee:
Qinetiq Limited
Inventors:
Rachel P Tuffin, Steven M Kelly, Neil L Campbell, Warren L Duffy, Janine H Wild
Patent number: 6642180
Abstract: The present invention relates to novel biphenyl-substituted cyclic ketoenols of the formula (I)
in which
W represents hydrogen, halogen, alkyl, alkoxy, alkenyloxy, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro or cyano,
X represents halogen, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl, halogenoalkoxy, halogenoalkenyloxy, nitro, cyano or in each case optionally substituted phenyl, phenoxy, phenylthio, phenylalkoxy or phenylalkylthio,
Y represents in each case optionally substituted cycloalkyl, aryl or hetaryl,
Z represents hydrogen, halogen, alkyl, alkoxy, halogenoalkyl or halogenoalkoxy,
CKE represents one of the groups
in which
A, B, D, L, M, Q1, Q2, Q3, Q4, Q5 and Q6 are as defined in the description,
to preparation and to their use as pesticides and herbicides.
Type:
Grant
Filed:
January 25, 2002
Date of Patent:
November 4, 2003
Assignee:
Bayer Aktiengesellschaft
Inventors:
Reiner Fischer, Alan Graff, Thomas Bretschneider, Christoph Erdelen, Mark Wilhelm Drewes, Dieter Feucht
Patent number: 6602827
Abstract: The invention relates to novel 5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilides of the general formula (I)
in which
n represents the number 0, 1, 2 or 3,
R represents straight-chain or branched alkyl having 1 to 4 carbon atoms, and
X represents nitro, cyano, halogen or represents in each case optionally cyano-, halogen- or C1-C4-alkoxy-substituted alkyl, alkoxy, alkylthio, alkylsulphinyl or alkylsulphonyl having in each case 1 to 4 carbon atoms,
except for the compounds N-methyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, N-ethyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, 4-chloro-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide and 3-trifluoromethyl-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide, N-i-propyl-5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl-oxyacetanilide, and 4-fluoro-N-methyl-(5-chlorodifluoromethyl-1,3,4-thiadiazol-2-yl)-oxyacetanilide and 4-fluoro-N-ethyl-(5-chlorodifluoromethyl-1
Type:
Grant
Filed:
January 24, 2002
Date of Patent:
August 5, 2003
Assignee:
Bayer Aktiengesellschaft
Inventors:
Hans-Jochem Riebel, Heinz Förster, Mark Wilhelm Drewes, Peter Dahmen, Dieter Feucht, Rolf Pontzen
Patent number: 6559100
Abstract: Substituted 2-benzoylcyclohexane-1,3-diones of the formula I
where:
R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl, C2-C6-alkynyl, —OR3, —OCOR3, —OSO2R3, —S(O)nR3, —SO2OR3, —SO2N(R3)2, —NR3SO2R3 or —NR3COR3;
R3 is hydrogen, C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, phenyl or phenyl-C1-C6-alkyl; where the abovementioned alkyl radicals may be partially or fully halogenated and/or may carry one to three of the following groups:
hydroxyl, mercapto, amino, cyano, R3, —OR3, —SR3, —N(R3)2, ═NOR3, —OCOR3, —SCOR3, —NR3COR3, —CO2R3, —COSR3, —CON(R3)2, C1-C4-alkyliminooxy, C1-C4-alkoxyamino, C1-C4-alkylcarbonyl, C1-C4-alkoxy-C2-C6-alkoxycarbonyl, C1-C4-alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the eight last mentioned radic
Type:
Grant
Filed:
February 7, 2000
Date of Patent:
May 6, 2003
Assignee:
BASF Aktiengesellschaft
Inventors:
Stefan Engel, Joachim Rheinheimer, Ernst Baumann, Wolfgang von Deyn, Regina Luise Hill, Guido Mayer, Ulf Misslitz, Oliver Wagner, Matthias Witschel, Martina Otten, Helmut Walter, Karl-Otto Westphalen
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