Abstract: The disclosure discloses a method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol from 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, belongings to the technical field of organic synthesis. 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene reacts in mixed solution consisting of sulfuric acid aqueous solution and organic carboxylic acid, the obtained mixture is subjected to ester group hydrolysis reaction in the presence of an inorganic base and then to hydroxyl methylation reaction, 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol is finally obtained via separation and purification, and 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene is recovered. The disclosure not only realizes the resource utilization of low-value 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, and meanwhile has the advantages of mild reaction conditions, simple operation, high synthesis yield, good product quality and the like. The disclosure has high social and economic values.

Abstract: The present invention implements a strategy that combines an enzyme inhibition assay with a chemical dereplication process to identify active plant extracts and the particular compounds—diarylalkanes and/or diarylalkanols within those extracts that specifically inhibit binuclear enzyme function. Included in the present invention are compositions of matter comprised of one or more of diarylalkanes and/or diarylalkanols, which inhibit the activity of binuclear enzymes, particularly tyrosinase and which prevent melanin overproduction. The present invention also provides a method for inhibiting the activity of a binuclear enzyme, particularly tyrosinase and a method for preventing and treating diseases and conditions related to binuclear enzyme function. The present invention further includes a method for preventing and treating melanin overproduction and diseases and conditions of the skin related thereto.

Abstract: The present invention relates to substituted 1-{2-[2-halo-4-(4-halogen-phenoxy)-phenyl]-2-alkynyloxy-ethyl}-1H-[1,2,4]triazole compounds of formula I as defined in the description, and the N-oxides, and salts thereof, processes and intermediates for preparing these compounds and also to compositions comprising at least one such compound. The invention also relates to the use of such compounds and compositions for combating harmful fungi and seed coated with at least one such compound.

Abstract: The present invention relates to substituted 1-{2-[2-halo-4-(4-halogen-phenoxy)phenyl]-2-ethoxy-ethyl}-1H-[1,2,4]triazole compounds of formula I as defined in the description, and the N-oxides, and salts thereof, processes and intermediates for preparing these compounds and also to compositions comprising at least one such compound. The invention also relates to the use of such compounds and compositions for combating harmful fungi and seed coated with at least one such compound.

Abstract: The present invention relates to alkyl- and aryl-substituted 2-[2-chloro-4-(dihalo-phenoxy)-phenyl]-1-[1,2,4]triazol-1-yl-ethanol compounds of formula I as defined in the description, and the N-oxides, and salts thereof, processes and intermediates for preparing these compounds and also to compositions comprising at least one such compound. The invention also relates to the use of such compounds and compositions for combating harmful fungi and seed coated with at least one such compound.

Abstract: The present invention relates to a compound of the following formula (I): as well as its process of preparation, pharmaceutical and cosmetics composition comprising it and use thereof, notably as an inhibitor of the sodium-dependent glucose co-transporter, such as SGLT1, SGLT2 and SGLT3, in particular in the treatment or prevention of diabetes, and more particularly type-II diabetes, diabetes-related complications, such as arthritis of the lower extremities, cardiac infarction, renal insufficiency, neuropathy or blindness, hyperglycemia, hyperinsulinemia, obesity, hypertriglyceridemia, X syndrome and arteriosclerosis, as well as for its use as an anticancer, anti-infective, anti-viral, anti-thrombotic or anti-inflammatory drug, or for lightening, bleaching, depigmenting the skin, removing blemishes from the skin, particularly age spots and freckles, or preventing pigmentation of the skin.

Abstract: Disclosed are compositions and methods for treating and/or preventing infections in mammals, by administering to a mammal a therapeutically effective amount of at least one defensin-like molecule, e.g., in a composition that includes such molecule. Also disclosed are kits that include such molecules, or compositions that include such molecules, as well as instructions for using such molecules to treat a mammal.

Abstract: This invention provides compounds having a structure of Formula (I). Uses of such compounds for treatment of various indications, including prostate cancer as well as methods of treatment involving such compounds are also provided.

Abstract: The present invention provides compositions and methods for the targeted delivery, release and/or formation of a drug compound at a target site(s) within the body of an individual, such as a diseased and/or inflamed tissue in the body of the individual. These compositions may comprise a halogenated phenol ring cleavably linked to a core structure of a drug compound. Due to the variety of substituents that may be utilized in forming the different types of linkages, numerous examples of drug compounds linked to a halogenated phenol ring are proposed. The present invention further provides compositions comprising halogenated phenol starting compounds that do not undergo cleavage during a dehalogenation reaction to form a drug compound in a targeted tissue when administered to an individual. Methods of administering these non-cleaving compounds are further provided.

Abstract: Embodiments of antimicrobial chrysophaentin compounds, pharmaceutical compositions including the chrysophaentin compounds, and methods for using the chrysophaentin compounds are disclosed. Some embodiments of the disclosed compounds are isolated from Chrysophaeum taylori. Certain embodiments of the chrysophaentin compounds inhibit FtsZ protein, thereby inhibiting the growth of clinically relevant bacteria, including drug-resistant strains.

Abstract: 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 independently an integer of 1 to 4, provided that, when each X is Cl, the total amount halogen in the ether is from about 50 to about 65 wt % and when each X is Br, the total amount halogen in the ether is from at least 70 wt % to about 79 wt % and wherein from about 30% to about 80%, for example from about 35% to about 75% of the halogenated ethers are fully halogenated the remainder being partially halogenated. The present flame retardant provides superior mechanical properties when incorporated into a polymer than similar flame retardants which contain a higher amount of fully halogenated species.

Abstract: A halogenated non-polymeric phenyl ether is described having the general formula (I): wherein each X is independently Cl or Br, n is an integer of 1 or 2, each m is independently an integer of 1 to 5 and each p is independently an integer of 1 to 4, provided that, when X is Cl, the total amount halogen in the ether is from about 50 to about 65 wt % and when, X is Br, the total amount halogen in the ether is from at least 70 wt % to about 79 wt %.

Abstract: A process, advantageous in producibility, for the production of a vinyl compound containing very small amounts of ionic impurities and hydrolysable halogens, which is capable of curing by means of heat and/or light and giving a cured product having excellent dielectric characteristics and heat resistance, which process can efficiently remove a generated salt and comprises reacting a non-protonic polar solvent solution of a specific bifunctional phenylene ether oligomer with a vinylbenzyl halide in the presence of an alkoxide of an alkali metal, wherein the thus-obtained reaction solution is acidified with a specific amount of an acidic substance, then a salt generated is removed, an alkali substance containing a specific amount of an alkali metal is added to the thus-obtained solution, then a salt generated is removed, and the thus-obtained solution is mixed with water or a water-alcohol mixed solution, to precipitate a solid.

Abstract: A process comprising the steps of dissolving a dihydric phenol in a solvent to form a solution A, contacting the solution A with an adsorbent material selected from the group consisting of metal oxides, modified metal oxides, activated carbons, and clays, filtering the adsorbent material to form a solution B, adding an anti-solvent to the solution B to form a solution C, and distilling the solution C, wherein the dihydric phenol is represented by Formula (I): wherein R is a hydrogen atom or an aliphatic functionality having 1 to 6 carbon atoms and n is an integer having a value of 1 to 4.

Abstract: A process comprising the steps of dissolving a dihydric phenol in a solvent to form a solution A; contacting the solution A with a zeolite; filtering the zeolite to form a solution B; adding an anti-solvent to the solution B to form a solution C; and distilling the solution C; wherein the dihydric phenol is represented by Formula (I): wherein R is a hydrogen atom or an aliphatic functionality having 1 to 6 carbon atoms and n is an integer having a value 1 to 4.

Abstract: 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 acylated compound with a halogenated phenol compound, which is not further substituted in the ortho-position (second stage), oxidation of the etherified compound (third stage) and hydrolysis of the oxidized compound in a fourth stage, wherein the reaction of the second stage is carried out in the presence of K2CO3 and any desired copper catalyst, where K2CO3 is used in a concentration of from 0.5 to 30 mol, based on the phenol compound employed of formula (6), according to the reaction scheme (I) in which R1 and R2 independently of one another are F, Cl or Br; R3 and R4 independently of one another are hydrogen; or C1-C4alkyl; m is 1 to 3; and n is 1 or 2. The compounds of formula (1) are used for protecting organic materials and articles from microorganisms.

Abstract: The synthesis of fluoropolyarylene ether with a high degree of polymerization is enabled, by using a copper complex catalyst with an oxidation potential in the range of −1V to 2V, for the oxidative polymerization of fluorophenols that contain at least one hydrogen atom as well as a fluorine atom bonded to the carbon atoms constituting the benzene ring.

Abstract: A process for producing 2,2′,3,3′,5,5′-hexamethyl-[1,1′-biphenyl]-4,4′-diol, which process comprises, while setting a pH of a reaction liquid containing an alkaline aqueous solution, a surfactant, a copper catalyst and 2,3,6-trimethylphenol during a reaction in the range of from 8 to 14 and controlling the variation range of the pH of the reaction liquid within ±1, oxidatively coupling the 2,3,6-trimethylphenol with an oxygen-containing gas, and a process for producing a bifunctional phenylene ether oligomer compound having a controlled average molecular weight, comprising carrying out oxidation polymerization under a proper oxygen concentration.

Abstract: 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, keto or a direct link

Abstract: A description is given of a three-step process for the preparation of 4,4′-dihalogen-o-hydroxydiphenyl compounds of formula (1) which comprises: a) hologenating an alkoxyphenol of formula (6) (=a1), reacting the resulting halogenated phenol compound of formula (5) with p-dihalobenzene of formula (4a) in the presence of copper and/or copper salts to the diphenyl ether compound of formula (2) (=a2) and subsequent ether fission to the diphenyl ether compound of formula (1) (=a3); or b) reacting an alkoxyphenol of formula (6) with the halophenol of formula (4b) to the compound of formula (3) (=b1), then halogenating this compound (=b2) and subsequent ether fission of the resulting compound of formula (2) to the diphenyl ether compound of formula (1) (=b3). The compounds of formula (1) are used for protecting organic materials and objects against microorganisms.

Abstract: An oxidation polymer of a substituted phenol, obtained by oxidative polymerization of at least one compound selected from the group consisting of a compound of formula (Ia) and a compound of formula (Ib), in which the oxidation polymer has a number-average polymerization degree of 3 or more: wherein R1 to R4 each represent a hydrogen atom and the like; provided that at least one of R1 to R4 represents a substituted or unsubstituted, saturated hydrocarbon group having 10 or more carbon atoms, and R1 and/or R4 represent a hydrogen atom; wherein R11 represents a substituted or unsubstituted, saturated hydrocarbon group having 15 or more carbon atoms, and R12 is the same as R11, or when R12 is different from R11, R12 represents a substituted or unsubstituted hydrocarbon group and the like.

Abstract: Disclosed is a four-step process for the preparation of 4,4′-dihalogen-o-hydroxydiphenyl compounds of formula 1

Abstract: 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 I compounds in the preparation of 1,4-diaryl-2-fluoro-1,3-butadiene compounds of formula II and 1,4-diaryl-2-fluoro-2-butene compounds of formula III

Abstract: Pesticidal 1,4-diaryl-2,3-difluoro-2-butene compounds having the structural formula I and compositions and methods comprising those compounds for the control of insect and acarid pests.

Abstract: It provides a production method of 4-methoxymethyl-2,3,5,6-tetrafluorobenzenemethanol to allow 2,3,5,6-tetrafluoro-1,4-benzenedimethanol to react with an inorganic base in water, and then add dimethyl sulfate and a water-immiscible organic solvent selected from the group consisting of hydrocarbons and ethers to the reaction mixture, or to allow 2,3,5,6-tetrafluoro-1,4-benzenedimethanol to react with an inorganic base in water and said water-immiscible organic solvent, and then to add dimethyl sulfate to the reaction mixture.

Abstract: A process for the preparation of halohydroxydiphenyl compounds useful for protecting organic materials and articles from microorganisms, of the formula by acylation of a halogenated benzene compound (first stage), etherification of the acylated compound with a halogenated phenol compound (second stage), oxidation of the etherified compound (third stage) and hydrolysis of the oxidized compound in a fourth stage, according to the following reaction scheme: in which R1 and R2 independently of one another are F, Cl or Br; R3 and R4 independently of one another are hydrogen; or C1-C4alkyl; m is 1 to 3; and n is 1 or 2.

Abstract: 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.

Abstract: A compound represented by the formula I is disclosed: ##STR1## or a pharmaceutically acceptable salt or hydrate thereof. The compound has inhibitory activity against the oncoprotein Raf.Also included are pharmaceutical compositions, methods of treating cancer, cultures of the producing fungal microorganism and methods of fermentative production of the compound.

Abstract: Pesticidal 1,4-diaryl-2-fluoro-2-butene compounds having the structural formula I ##STR1## and compositions and methods comprising those compounds for the control of insect and acarid pests.

Abstract: Compounds of the formula ##STR1## in which: n is 0, 1 or 2, and, if n is 2, the two radicals R.sub.3 are identical or different;R.sub.2 is methyl, fluorine, chlorine or bromine;R.sub.3 is C.sub.1 -C.sub.3 -alkyl, halo-C.sub.1 -C.sub.3 alkyl, C.sub.1 -C.sub.3 alkoxy, halo-C.sub.1 -C.sub.3 alkoxy, fluorine, chlorine or bromine:R.sub.5 is hydrogen or C.sub.1 -C.sub.9 alkyl andX is methylene, O, S or C(.dbd.O):can be used as intermediates for agrochemical active ingredients.

Abstract: An aqueous based dentifrice containing the potassium salt of 2,4,4'-trichloro-2'-hydroxy-diphenyl ether (Triclosan).

Abstract: 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; R.sup.1 's and R.sup.2 's are the same or different and are independently halogen or various other groups; D is oxygen; X's are the same or different and are independently chlorine or bromine; Y is oxygen; Z, P and Q are the same or different and are independently nitrogen or CH, provided that P and Q are not simultaneously nitrogen, and when Y is sulfur, Z is CH. Also disclosed is an insecticide/acaricide comprising the dihalopropene compound as an active ingredient. The dihalopropene compound exhibits excellent insecticidal/acaricidal action. Further disclosed is an intermediate compound for use in the production of the dihalopropene compound.

Abstract: 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 from bisphenols containing ethynyl and substituted ethynyl groups. The resulting polymers are cured up to 350.degree. C. to provide crosslinked poly(arylene ether)s with good solvent resistance, high strength and modulus.

Abstract: 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 group is in the ortho- or para-position with respect to the halogen and, alkali metal (thio)phenolates in liquid ammonia, the reaction being carried out under pressure and at a temperature from -30.degree. C. to +140.degree. C. and the ammonia being separated off after the reaction is completed.

Abstract: 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 transition-metal based catalyst is described.

Abstract: Stability enhancing additives of the formula: ##STR1## where R.sub.f is a perfluoroalkyl group having 1 to 15 carbon atoms and n has a value of 1 to 6, for perfluoropolyalkylether fluids. These additives are incorporated into perfluoropolyalkylether fluids in an amount ranging from about 0.01 to 3 weight percent.

Abstract: The invention concerns .alpha.,.alpha.-dialkylbenzyl derivatives of the formula I ##STR1## wherein Ar.sup.1 is phenyl or naphthyl, or a 10-membered bicyclic heterocyclic moiety containing one or two nitrogen heteroatoms and optionally containing a further heteroatom selected from nitrogen, oxygen and sulphur;A.sup.1 is a direct link to X.sup.1 or is (1-3C)alkylene;X.sup.1 is oxy, thio, sulphinyl or sulphonyl;the phenylene group may optionally bear one or two substituents R.sup.3 ;each of R.sup.1 and R.sup.2, which may be the same or different, is (1-4C)alkyl, (2-4C)alkenyl, (2-4C)alkynyl, fluoro-(1-4C)alkyl, phenyl or phenyl-(1-4C)alkyl, provided that both of R.sup.1 and R.sup.2 are not methyl or fluoromethyl; andQ is cyano, amino, nitro, formyl, (1-4C)alkoxy, thiazolyl or (2-4C)alkanoyl;or a pharmaceutically-acceptable salt thereof;processes for their manufacture; pharmaceutical compositions containing them and their use as 5-lipoxygenase inhibitors.

Abstract: Novel insecticides have the formula ##STR1## in which R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkylthio, C.sub.2 -C.sub.5 carboalkoxy, C.sub.2 -C.sub.5 alkylcarbonyl, nitro or cyano;R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkylthio, C.sub.3 haloalkenoxy, nitro, cyano, C.sub.2 -C.sub.5 alkylcarbonyl, C.sub.1 -C.sub.4 alkylsulfonyl or C.sub.2 -C.sub.5 carboalkoxy;R.sub.3 is hydrogen, halogen, C.sub.1 -C.sub.4 haloalkyl or C.sub.1 -C.sub.4 alkoxy;provided that:R.sub.1, R.sub.2 and R.sub.3 are not all hydrogen; orR.sub.1 and R.sub.2 taken together are C.sub.2 -C.sub.4 alkylene, C.sub.2 -C.sub.4 alkyleneoxy, C.sub.1 -C.sub.2 perhaloalkyleneoxy, C.sub.1 -C.sub.4 alkylenedioxy or halo-C.sub.1 -C.sub.3 alkylenedioxy;R.sub.

Abstract: An aromatic compound of the formula ##STR1## , which is useful as an insect pest controlling agent.

Abstract: An aromatic compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are, the same or different, a hydrogen atom, a halogen atom or a methyl group with the proviso that either one of R.sup.1 or R.sup.2 is a hydrogen atom; R.sup.3 is a hydrogen atom or a methyl group; and R.sup.4 is a halogen atom, a C.sub.1 -C.sub.2 alkyl group or a C.sub.1 -C.sub.2 haloalkyl group, which is useful for control of insect pests.

Abstract: An aromatic compound of the formula: ##STR1## wherein R.sup.1 is, the same or different, a halogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 haloalkyl group, a C.sub.1 -C.sub.3 alkoxy group or a C.sub.1 -C.sub.3 haloalkoxy group; R.sup.2 is a hydrogen atom or a methyl group; R.sup.3 is, the same or different, a halogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 haloalkyl group, a C.sub.1 -C.sub.2 alkoxy group or a C.sub.1 -C.sub.2 haloalkoxy group, or two adjacent R.sup.3 s may be combined together to represent a C.sub.1 -C.sub.2 alkylenedioxy group optionally bearing one or two substituents selected from halogen and methyl; p is an integer of 2 to 5; q is an integer of 0 to 5, which is useful for control of insect pests.

Abstract: Pesticidal compounds of formula II: R.sub.A CR.sub.3 .dbd.CR.sub.4 CHDR.sub.Bin which formula:R.sub.A represents a group ArCR.sub.1 R.sub.2 - in which Ar represents a phenyl or naphthyl group optionally substituted by one or more halogen, alkoxy, haloalkoxy, methylenedioxy, C.sub.1 -C.sub.6 alkyl or haloalkyl groups;R.sub.1 and R.sub.2 together with the carbon to which they are attached represent a C.sub.3 -C.sub.6 cycloalkyl group optionally substituted by one or more halogen atoms or C.sub.1 -C.sub.6 alkyl groups.R.sub.3 and R.sub.4 which may be identical or differ, represent hydrogen halogen or C.sub.1 -C.sub.6 alkyl groups andR.sub.B represents the residue of an alcohol R.sub.B CHDOH in which D is hydrogen or cyano and of which the [1R, cis] 2,2-dimethyl-3-(2,2-dibromovinyl) cyclopropane carboxylic ester is significantly insecticidal,the configuration of R.sub.A and CHDR.sub.

Abstract: 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; R.sup.1 and R.sup.2 are independently a hydrogen atom or C.sub.1 -C.sub.12 alkyl; R.sup.3 is a glycidyl group; and n is an integer of greater than 1. A method for producing the modified epoxy resin is also disclosed.

Abstract: This invention relates to the alk-1-enyl ether having the formula ##STR1##

Abstract: This invention relates to novel fluorinated ethers, useful as insecticides and acaricides, to processes and intermediates for their preparation, to insecticidal and acaricidal compositions thereof and to methods of combating and controlling insect and acarine pests therewith.

Abstract: 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 uses a zirconium catalyst in the first reaction and an iron catalyst in the second reaction to yield a whiter flame retardant product having less tendency to discolor plastic resins.

Abstract: A process for producing a p-hydroxyneophyl m-phenoxybenzyl ether represented by the general formula (II) ##STR1## (X.sub.1 and X.sub.2 are independently a hydrogen atom or a halogen atom) by subjecting a corresponding p-alkoxyneophyl m-phenoxybenzyl ether represented by the general formula (I) ##STR2## (R represents a lower alkyl group, and X.sub.1 and X.sub.2 have the same definitions as above) to ether cleavage, in which process the ether cleavage reaction is effected in an aprotic polar solvent, using a lower alkoxide of an alkali metal or an alkaline earth metal or using a metal hydroxide in the presence of a lower alcohol.

Abstract: The present invention relates to the preparation of di-secondary alcohols comprising the reaction of an alcohol and a diglycidyl ether of a dihydric phenol in the presence of a catalyst of the formula (IV):MX (IV)wherein M is a metal from Groups IB to VIIIB or a metal or metalloid from Groups IIA to VA of the Periodic Chart of Elements or an ammonium ion and X is an anion selected from the group consisting of BF.sub.4.sup.-, PF.sub.6.sup.-, AsF.sub.6.sup.-, SbF.sub.6.sup.-, AlF.sub.4.sup.-, TiF.sub.6.sup.2-, SiF.sub.6.sup.2-, and ZrF.sub.6.sup.2- to produce the di-secondary alcohol, which can then be subjected to glycidylation to produce a glycidyl ether, orthe reaction of an alcohol, glycol or polyol and epichlorohydrin in the presence of the foregoing catalyst, followed by ring closure employing an alkali to produce a mono- or polyglycidyl ether. The monoglycidyl ether can be further reacted with a dihydric phenol to produce a di-secondary alcohol which is then glycidylized to produce a glycidyl ether.

Abstract: There are disclosed 1-[4-(halophenoxy)phenoxy]-4-pentines of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other chloro or fluoro and one of R.sub.1 and R.sub.2 is also hydrogen, a process for their preparation and intermediates for their preparation, the use of these compounds in pest control, and pesticidal compositions which contains a compound of formula I as active component. The preferred field of use is ovicidal control of pests.

Abstract: A higher yield of the difluorohalomethoxybenzene produced by the reaction of a metal phenolate with dibromodifluoromethane or bromochlorodifluoromethane can be obtained by conducting the addition of a metal alcoholate or a metal hydride as a reaction initiator to a solution or a suspension of an aprotic polar solvent containing the metal phenolate and dibromodifluoromethane or bromochlorodifluoromethane.