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8680341 Arylalkenyl ether oligomers and polymers and their use in the production of flame retardants  
An arylalkenyl ether oligomer is produced by the reaction of a polyhaloalkene with a polyhydroxyaryl compound. Halogenation of the resultant oligomer produces a flame retardant having both...
8362127 Flame retardant halogenated phenyl ethers  
A halogenated non-polymeric phenyl ether flame retardant is described having the general formula (I): wherein each X is independently Cl or Br, n is an integer of 1 or 2, and each p is...
8357738 Flame retardant halogenated phenyl ether blends  
A flame retardant blend comprises at least first and second halogenated non-polymeric phenyl ethers having the general formula (I): wherein each X is independently Cl or Br, each m is...
8263693 Flame retardant resin composition having good impact strength and high melt flow index  
The present invention provides a flame retardant resin composition comprising (A) 100 weight part of a basic resin comprising acrylonitrile-butadiene-styrene copolymer resin and...
7709687 Dicarbanionic initiator, a process for the preparation and use thereof  
The present invention provides a novel dicarbanionic initiator of formula (I). The present process further provides a process for the preparation of dicarbanionic initiator of formula (I)...
7544400 Bimesogenic compounds and flexoelectric devices  
The invention relates to bimesogenic compounds of formula (I): R1-MG1-X1-Sp-X2-MG2-R2 wherein R1, R2, MG1, MG2, X1, X2 and Sp have the meaning given in claim 1, to the use of bimesogenic compounds...
7297822 1-bromo-4-(4′-bromophenoxy)-2-pentadecyl benzene and preparation thereof  
The present invention relates to novel brominated phenoxy compounds and to process for their preparation. More particularly, the present invention relates to synthesis of novel dibromodiphenyl...
7276633 Method for production naphthalene derivatives  
The present invention relates to a process for the preparation of a compound of the general formula R-(A1-Z-)mB—CF2O-A2-(A3)n—R′ (I) in which R is alkyl, in which one or more CH2 groups may be...
6770463 Process for the preparation of chiral isofluoroenes  
There is provided a process for the preparation of a chiral insecticidal and acaricidal compound of formula I. Also provided are intermediate compounds useful in the process of the present invention.
6762329 Diaryl ether condensation reactions  
One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild...
6706930 Process for the preparation of halogenated hydroxydiphenyl compounds  
There is described a process for the preparation of halogenated hydroxydiphenyl compounds of formula (1) by acylation of a halogenated benzene compound (first stage), etherification of the...
6610890 Aldose reductase inhibitors and pharmaceutical compositions  
Medicaments for treating diabetic complications contain a compound of formula (A), wherein at least one Y or one Y′ is OH, and the remainder are selected from H, Hal, OH, OMe and NO2; X is O, S,...
6495728 Process and intermediate compounds for the preparation of pesticidal fluoroolefin compounds  
A two-step process for the preparation of fluoroolefin compounds of formula I whereinR is hydrogen or alkyl, and R1 is alkyl or cyclopropyl, or R andR1 are taken together with the carbon atom to...
6465687 Thyroid receptor ligands and method  
Novel thyroid receptor ligands are provided which have the general formula (I) where R1 is alkyl of 1 to 4 carbons or cycloalkyl of 3 to 7 carbons; R2 and R3 are the same or different and are...
6395939 Diaryl ether condensation reactions  
One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild...
6342642 1,4-diaryl-2-fluoro-1-buten-3-ol compounds and their use in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene and 1,4-diaryl-2-fluoro-2-butene compounds  
The present invention provides novel 1,4-diaryl-2-fluoro-1-buten-3-ol compounds of the structural formula I a method for the preparation of those formula I compounds, and the use of those formula...
6288011 1,4-diaryl-2,3-difluoro-2-butene insecticidal and acaricidal agents  
Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds having the structural formula I ##STR1##and compositions and methods comprising those compounds for the control of insect and acarid pests.
6215029 Process for the preparation of halogenated hydroxydiphenyl compounds  
A process for the preparation of halohydroxydiphenyl compounds useful for protecting organic materials and articles from microorganisms, of the formula ##STR1##by acylation of a halogenated...
6198008 Process for the preparation of 5-bromo-2-fluorobenzeneboronic acid  
A process is disclosed for the preparation of 5-bromo-2-fluorobenzeneboronic acid, which is useful as an intermediate in the preparation of a non-ester pyrethroid compound. The compound can be,...
RE37087 Insecticidal triffluormethyl alkane derivatives  
There are provided new alkane and alkoxyalkane derivatives of the general formula I ##STR1##in which R1, R2, R3, R4 and A have the meanings given in the description, processes for their...
6166272 Molybdenum trioxide catalyzed fluorination reactions  
Disclosed is a method of fluorinating a substrate having the general formula ##STR1## where each R is independently selected from halogen, alkyl from C1 to C12, aryl from C6 to C12, alkoxide from...
6133483 Process for the production of 2,4,4'-trichloro-2'-methoxydiphenyl ether  
A process is disclosed for the synthesis of 2,4,4'-trichloro-2'-methoxydiphenyl ether, and it's precursor 2,4,4'-trichloro-2'-bromodiphenyl ether, a novel compound.
5892131 Process for the preparation of pesticidal fluoroolefin compounds  
A process and intermediate compounds for the preparation of fluoroolefin compounds which are useful as pesticidal agents.
5861540 Substituted 1,1,1-triaryl-2,2,2-trifuoroethanes and processes for their synthesis  
Synthetic procedures to tetraalkyls, tetraacids and dianhydrides substituted 1,1,1-triaryl-2,2,2-trifluoroethanes which comprises: (1) 1,1-bis(dialkylaryl)-1-aryl-2,2,2 -trifluoroethane, (2)...
5741949 Continuous bromination process and products thereof  
A preferred process for producing a brominated, non-fused aromatic composition involves a continuous bromination in a continuous, mixed reactor such as a continuous stirred tank reactor. Bromine...
5698702 Intermediate compound for use in production of dihalopropene compound  
There is disclosed a dihalopropene compound of the formula I: ##STR1## wherein l is an integer of 1 to 5; m is an integer of 1 to 4; R1 's and R2 's are the same or different and are independently...
5658914 Diphenylcyclopropyl analogs  
Diphenylcyclopropyl analogs in which one or more of the phenyl rings includes alkoxy substituents including a dialkylaminoalkoxy group, an unsubstituted piperazine alkoxy group, a substituted...
5552549 Process for the dechlorination of chlorinated aromatic compounds  
Chlorinated aromatic compounds are dechlorinated in a simple and inexpensive manner by heating them to 300° to 450° C. in a salt melt in the presence of water and/or water vapor and carbon.
5498803 Poly(arylene ether)s containing pendent ethynyl groups  
Poly(arylene ether)s containing pendent ethynyl and substituted ethynyl groups and poly(arylene ether) copolymers containing pendent ethynyl and substituted ethynyl groups are readily prepared...
5426234 Phenylethynyl terminated reactive oligomer  
A composition of matter having the general structure: ##STR1## (wherein X is F, Cl, or NO2, and Y is CO, SO2 or C(CF3)2) is employed to terminate a nucleophilic reagent, resulting in the exclusive...
5397802 Gem-dichlorocyclopropanes as antitumor agents  
Gem-Dichlorocyclopropanes (Analog II derivatives) which demonstrate antiproliferative activity toward MCF-7 cells, in vitro and are generally not reversed by estradiol or having intrinsic...
5382686 Process for preparing nitrodiphenyl (thio) ethers  
Nitrodiphenyl(thio) ethers in which the nitro group is in the ortho- or para-position with respect to the ether oxygen or ether sulphur can be prepared from halonitrobenzones in which the nitro...
5352844 Isolation of partially brominated diphenyl ether mixtures in crystalline form with higher melting range  
This invention relates to a process for isolation of partially brominated diphenyl ether mixtures ("Octabrom") having an average bromine content of 7.2-8.5. The process comprises: (i) adding a C1...
5312975 Process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid  
A process for the preparation of 5-(2,4-difluorophenyl)-salicylic acid comprising the reaction of an organometallic derivative with a suitable substituted benzene in the presence of a...
5302760 Stability additive for perfluoropolyalkylethers  
Stability enhancing additives of the formula: ##STR1## where Rf is a perfluoroalkyl group having 1 to 15 carbon atoms and n has a value of 1 to 6, for perfluoropolyalkylether fluids. These...
5283371 Intermediates useful in the production of pesticides  
A process for the production of a boronic acid of formula III, ##STR1## in which an organometallic of formula IV, ##STR2## in which formula IV, M represents a metallic moiety such as --MgX, X...
5242996 Modified epoxy resins having acetylenically unsaturated functions  
A modified epoxy resin or compound of the formula: ##STR1## wherein A is the backbone reside of a glycidyl ether epoxy resin with removal of the glycidyloxy groups; R1 and R2 are independently a...
5243087 Pyridine derivatives, their production processes and their compositions for the control of insect pests  
A pyridine derivative of the formula: ##STR1## wherein R1 is, the same or different, each a hydrogen atom, a halogen atom, a C1 -C4 alkyl group, a C1 -C4 haloalkyl group, a C1 -C3 alkoxy group, a...
5225436 Aryl substituted naphthalene derivatives  
Certain aryl substituted naphthalene, benzoxepine, benzazepine and henzocycloheptene derivatives are disclosed. The compounds are useful in treating hyperproliferative skin disease, allergic...
5223536 1,4-diaryl-1-cyclopropyl-4-substituted butanes as insecticides and acaricides  
The 1,4-diaryl-1-cyclopropyl-4-substituted butane pesticides of the following formula are effective as insecticides and acaricides: ##STR1## in which X and Y are independently hydrogen, halogen,...
5210321 Diphenyl oxide bromination process  
A process for producing a mixture of brominated diphenyl oxides with an average bromine number of 7.0 to 7.8 is improved by the utilization of a multi-step, multi-catalyst procedure. The process...
5136107 Process for halogenating aromatic compounds  
A process for producing a mixture of ar-brominated polyphenyl compounds with an average of from about 3 to about 4 bromine atoms per aromatic ring utilizing a novel catalytic system for at least a...
5117002 Preparation of diphenyl ether  
A process for the production of diaryl ethers which comprises heating, to a temperature of 80° C. to 220° C., a compound of the formula ##STR1## wherein X and Y are selected from the group...
5110983 Hexafluoroisopropyl-containing monomers, process for their preparation and their use  
Compounds of the formula I ##STR1## can be prepared by various process steps from 2-(4-methylphenyl)-2-hexafluoroisopropanol.Hexafluoroisoprop yl-containing monomers are important starting...
5081316 Melting point enhancement of partially brominated diphenyl oxide mixtures  
This invention relates to a process for increasing the melting point of partially brominated diphenyl oxide mixtures having an average bromine content of 7.0 to 8.5. The process comprises: forming...
5081273 Process for the preparation of insecticidally active diphenyl ether compounds  
This invention relates to a process for the preparation of insecticidally active compounds and to novel styrene derivatives useful as intermediates therein.
5077440 Process for the preparation of 3-phenoxybenzylalcohol  
In a process for the preparation of 3-phenoxybenzylalcohol, 3-phenoxytoluene is reacted with dibromodimethylhydantoin in a non-polar solvent, followed by hydrolysis of the products of the first...
5055235 Bromination process  
A process is disclosed for preparing a mixture of brominated, non-condensed ring polyaromatics, which process features multiple bromination temperatures and multiple catalyst additions for...
5000879 Melting point enhancement of partially brominated diphenyl oxide mixtures  
This invention relates to a process for increasing the melting point of partially brominated diphenyl oxide mixtures having an average bromine content of 7.2 to 7.7. The process comprises: forming...
4992593 Partially fluorinated diphenyl ethers, processes for their preparation and their use  
A compound of the formula ##STR1## in which independently of one another R is equal to OH or lower alkyl having 1 to 4 carbon atoms, R' is equal to hydrogen or lower alkyl having 1 to 4 carbon...

Matches 1 - 50 out of 214 1 2 3 4 5 >