Abstract: A liquid crystal compound having high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1-1): wherein, for example, R1 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 2 to 10 carbons; R2 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 3 to 10 carbons; ring A1 is 1,4-cyclohexylene or 1,4-phenylene; ring A2 is 1,4-cyclohexylene, 1,4-phenylene or 2,3-difluoro-1,4-phenylene; Z1 and Z2 are single bonds; L1 and L2 are fluorine; and 1 is 0, 1 or 2.

Abstract: Disclosed are nordihydroguaiaretic acid derivative compounds including various end groups bonded by a carbon atom or heteroatom though a side chain bonded to the respective hydroxy residue O groups by an ether bond or a carbamate bond, pharmaceutical compositions, methods of making them, and methods of using them and kits including them for the treatment of diseases and disorders, in particular, diseases resulting from or associated with a virus infection, such as HIV infection, HPV infection, or HSV infection, an inflammatory disease, such as various types of arthritis and inflammatory bowel diseases, a metabolic disease, such as diabetes, a vascular disease, such as hypertension and macular degeneration, or a proliferative disease, such as diverse types of cancers.

Abstract: Disclosed is a liquid crystal compound with negative dielectric anisotropy, having a general formula as Formula 1. In Formula 1, each of L1, L2, L3, and L4, being same or different, is hydrogen, halogen, or cyano group. Each of R1 and R2, being same or different, is hydrogen, halogen, C1-12 alkyl group, C1-12 alkoxy group, C1-12 haloalkyl group, C2-12 alkenyl group, C2-12 ether group, or C2-12 alkynyl group. Each of A1 and A2, being same or different, is benzene, cyclohexane, or cyclohexene. Z1 is —CF2O—, or —OCF2—, and Z2 is —CF2O—, or —OCF2—.

Abstract: The invention provides a liquid crystal compound that has an excellent compatibility with other liquid crystal compounds and also has at least one of characteristics such as a high stability to heat, light or the like, a suitable refractive index anisotropy (?n), a low threshold voltage and a suitable dielectric anisotropy (??). A compound represented by formula (1) For example, R1 is alkyl having 1 to 10 carbons, R2 is halogen or alkenyl having 2 to 10 carbons; the ring A1, the ring A2 and the ring A3 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2 and Z3 are a single bond or alkylene having 1 to 4 carbons; G is —CH2— or —O—; and m is 1, and n and p is 0 or 1.

Abstract: An object is to provide a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat and light, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. A solution is a compound represented by formula (1). In formula 1, R1 is alkyl having 1 to 10 carbons, for example; ring A1 and ring A2 are independently 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are independently a single bond or —CF2O—; L1 and L2 are halogen; and a is 1 or 2.

Abstract: To provide a compound, when the compound has both a high clearing point and a low crystallization temperature, having a wide temperature range of a liquid crystal phase and also an excellent solubility in other liquid crystal compounds, and further having general physical properties necessary for the compound, namely, stability to heat, light and so forth, a suitable optical anisotropy and a suitable dielectric anisotropy. A compound is represented by formula (1): wherein, for example, Ra and Rb are alkyl having 1 to 10 carbons; A1, A2, A3 and A4 are 1,4-phenylene; Z1, Z2, Z3 and Z4 are a single bond or alkylene having 1 to 4 carbons; and m, n, q and r are independently 0, 1, or 2, and a sum of m, n, q and r is 1, 2, 3 or 4.

Abstract: To provide a liquid crystal compound showing a large absolute value of dielectric anisotropy (|??|. A compound is represented by formula (1): wherein, in formula (1), Ra and Rb are fluorine, alkyl having 1 to 10 carbons or the like, and in the alkyl, at least one of —CH2— may be replaced by —O— or the like, however, Ra and Rb are not identical; A1, A2, A3, A4 and A5 are 1,4-cyclohexylene, 1,4-phenylene or the like, and in the groups, at least one of hydrogen may be replaced by fluorine; Z1, Z2, Z4 and Z5 are a single bond or the like; Y1, Y2, Y3 and Y4 are hydrogen, fluorine or the like; and m, n, q and r are 0, 1 or 2, and a sum of m, n, q and r is 0, 1, 2, 3 or 4.

Abstract: The present invention provides the compound [6]-cycloparaphenylene, cycloparaphenylene intermediates (e.g. [n]macrocycles), and methods for making [n]cycloparaphenylenes and [n]cycloparaphenylene intermediates in quantities not previously available. The cycloparaphenylene compounds and their intermediates can be useful in nanotube preparation and in the preparation of other supramolecular structures.

Abstract: A liquid crystal compound is described, which has stability to heat, light and so forth, keeps a nematic phase in a wide temperature range, has a small viscosity, a suitable optical anisotropy and a suitable elastic constant K33, and further has a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The liquid crystal compound is represented by formula (1): wherein, for example, R1 is alkyl having 1 to 10 carbons, R2 is alkoxy having 1 to 10 carbons; ring A1, ring A2 and ring A5 are 1,4-cyclohexylene, 1,4-phenylene, or 1,4-phenylene in which arbitrary hydrogen is replaced by fluorine; Z1 and Z4 are a single bond, —CH2CH2— or —CH?CH—; a, b and e are 0 or 1, and c and d is 0; X1, X2 and X4 are hydrogen, and X3 is fluorine; and L1 and L2 are fluorine.

Abstract: The present invention relates to a compound having a 2-fluorophenyloxymethane structure and useful for organic electronic materials and medical and agricultural chemicals, particularly materials for liquid crystal display elements. A problem to be solved by the invention is to provide a compound having relatively large ??, relatively high T?i, low viscosity (?), and high miscibility with other liquid crystal compounds, and also provide a liquid crystal composition containing the compound as a constituent component. The present invention provides a compound having a 2-fluorophenyloxymethane structure and also provides a liquid crystal composition containing the compound and a liquid crystal display device using the liquid crystal composition.

Abstract: An object is to provide a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. A solution is the compound represented by formula (1): wherein, in formula (1), for example, R1 is alkyl having 1 to 10 carbons; ring A1 and ring A2 are independently 1,4-cyclohexylene or 1,4-phenylene; Z1 and Z2 are independently a single bond or —CF2O—; L1 and L2 are halogen; and a is 1 or 2.

Abstract: The present invention relates to substituted 1-{2-[2-halo-4-(4-halogen-phenoxy)-phenyl]-2-alkoxy-2-cyclyl-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: A liquid crystal compound having high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1-1): wherein, for example, R1 is hydrogen, halogen or alkyl having 1 to 20 carbons; ring A1, ring A2, ring A3, ring A4 and ring A5 are independently 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2, Z3 and Z4 are independently a single bond, —(CH2)2—, —CH?CH— or —CF?CF—: and a, b, c and d are independently 0 or 1, and a sum of a, b, c and d is one or more.

Abstract: A liquid crystal compound having high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, a suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1-1): wherein, for example, R1 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 2 to 10 carbons; R2 is alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons or alkenyl having 3 to 10 carbons; ring A1 is 1,4-cyclohexylene or 1,4-phenylene; ring A2 is 1,4-cyclohexylene, 1,4-phenylene or 2,3-difluoro-1,4-phenylene; Z1 and Z2 are single bonds; L1 and L2 are fluorine; and 1 is 0, 1 or 2.

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: The invention provides a liquid crystal compound that has an excellent compatibility with other liquid crystal compounds and also has at least one of characteristics such as a high stability to heat, light or the like, a suitable refractive index anisotropy (?n), a low threshold voltage and a suitable dielectric anisotropy (??). A compound represented by formula (1). For example, R1 is alkyl having 1 to 10 carbons, R2 is halogen or alkenyl having 2 to 10 carbons; the ring A1, the ring A2 and the ring A3 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2 and Z3 are a single bond or alkylene having 1 to 4 carbons; G is —CH2— or —O—; and m is 1, and n and p is 0 or 1.

Abstract: 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 aromatic and aliphatic bromine groups.

Abstract: The invention provides a liquid crystal compound represented by formula (1): wherein, in formula (I), for example, R1 is fluorine, chlorine, or alkyl having 1 to 10 carbons, and in the alkyl, at least one of —CH2— may be replaced by —O—, —S—, —CO— or —SiH2—, and at least one of —(CH2)2— may be replaced by —CH?CH— or —C?C—. The compound has a low threshold voltage and excellent compatibility with other liquid crystal compounds, and further excellent general physical properties required for the compound. The invention also provides a liquid crystal composition containing at least one of the compounds and having excellent properties, and a liquid crystal display device including the composition, and having a wide usable temperature range, a short response time, a large contrast ratio and a low driving voltage, and therefore can be used for a liquid crystal projector and a liquid crystal television.

Abstract: The invention provides a liquid crystal compound that has an excellent compatibility with other liquid crystal compounds and also has at least one of characteristics such as a high stability to heat, light or the like, a suitable refractive index anisotropy (?n), a low threshold voltage and a suitable dielectric anisotropy (??). A compound represented by formula (1). For example, R1 is alkyl having 1 to 10 carbons, R2 is halogen or alkenyl having 2 to 10 carbons; the ring A1, the ring A2 and the ring A3 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2 and Z3 are a single bond or alkylene having 1 to 4 carbons; G is —CH2— or —O—; and m is 1, and n and p is 0 or 1.

Abstract: Provided are a random wrinkle structure-formable compound, a composition including the same, a film including a random wrinkle structure, a method of forming the film, and an organic light emitting device including the film. A compound according to the present invention is coated and then, a film having a surface structure of random wrinkles may be simply formed through simple ultraviolet (UV) curing or thermosetting. When the film thus formed is used in an organic light emitting device, light generated from the organic light emitting device is scattered on surfaces of the random wrinkles to prevent light guide or total reflection, and thus, light is extracted to the outside. That is, a random structure disposed at the outside of the device performs a light extraction function and consequently, light efficiency of the organic light emitting device may be increased.

Abstract: The present invention discloses a liquid crystal (LC) molecule having a flexible structure and a mixture thereof. A traditional LC molecule is modified into the LC molecule having the flexible structure. The wetting ability of the LC molecule within a color-filter-on-array (COA) type LC panel is increased by properties of the flexible structure, so that the LC molecule having the flexible structure can obtain better diffusing performance than that of the traditional LC molecule. The present invention can increase the wetting ability of the LC molecule within an LC panel by modification of the flexible structure of the LC molecule, and thus the problem of drop Mura effect in the COA type LC panel can be improved.

Abstract: The present invention discloses a liquid crystal (LC) molecule having a five-membered ring structure and a mixture thereof. A traditional LC molecule is modified into the LC molecule having the five-membered ring structure. The rotational viscosity of the LC molecule within an LC panel is decreased by properties of the five-membered ring structure, so that the LC molecule having the five-membered ring structure has a fast off-time than that of the traditional LC molecule. The present invention can decrease the rotational viscosity of the LC molecule within the LC panel by modification of the five-membered ring structure of the LC molecule, and thus the problem of cross-talk effect produced from switching a two-dimensional mode to a three-dimensional mode in an LC display can be improved.

Abstract: A liquid crystal compound having a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition including this compound, and a liquid crystal display device containing this composition. A compound represented by formula (1): for example, R1 is alkyl having 1 to 10 carbons; ring A1, ring A2 and ring A3 are 1,4-cyclohexylene, 1,4-phenylene or 1,4-phenylene in which at least one of hydrogen has been replaced by fluorine; Z1 is a single bond, and Z2 and Z3 are —CF2O— or —OCF2—; X1 is fluorine; and L1 and L2 are fluorine.

Abstract: This invention relates to processes and reagents for making diaryliodonium salts, which are useful for the preparation of fluorinated and radiofluorinated aromatic compounds.

Abstract: The present invention discloses an aryloxy dihalopropenyl ether compound with the structure shown as general formula (I), of which the group definitions can be seen in the specification. The present invention also discloses the use of the compound with general formula (I) as an insecticide in the agricultural field and an insecticidal composition using the compound with general formula (I) as an active component.

Abstract: Disclosed are nordihydroguaiaretic acid derivative compounds including various end groups bonded by a carbon atom or heteroatom though a side chain bonded to the respective hydroxy residue O groups by an ether bond or a carbamate bond, pharmaceutical compositions, methods of making them, and methods of using them and kits including them for the treatment of diseases and disorders, in particular, diseases resulting from or associated with a virus infection, such as HIV infection, HPV infection, or HSV infection, an inflammatory disease, such as various types of arthritis and inflammatory bowel diseases, a metabolic disease, such as diabetes, a vascular disease, such as hypertension and macular degeneration, or a proliferative disease, such as diverse types of cancers.

Abstract: A liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a large elastic constant K33, a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. Also, a liquid crystal composition having characteristics similar to these of the compound. Additionally, a liquid crystal display device having a short response time, low electric power consumption, a low driving voltage, a large contrast and a wide temperature range in which the device can be used. The compound is a 2,3-difluorobenzene derivative (1) having a combination of a cyclohexane ring, a cyclohexene ring or a benzene ring phenyl and a butene bonding group. The liquid crystal composition includes this compound, and the liquid crystal display device contains this composition.

Abstract: To provide a compound, when the compound has both a high clearing point and a low crystallization temperature, having a wide temperature range of a liquid crystal phase and also an excellent solubility in other liquid crystal compounds, and further having general physical properties necessary for the compound, namely, stability to heat, light and so forth, a suitable optical anisotropy and a suitable dielectric anisotropy. A compound is represented by formula (1): wherein, for example, Ra and Rb are alkyl having 1 to 10 carbons; A1, A2, A3 and A4 are 1,4-phenylene; Z1, Z2, Z3 and Z4 are a single bond or alkylene having 1 to 4 carbons; and m, n, q and r are independently 0, 1, or 2, and a sum of m, n, q and r is 1, 2, 3 or 4.

Abstract: To provide a compound, when the compound has both a high clearing point and a low crystallization temperature, having a wide temperature range of a liquid crystal phase and also an excellent solubility in other liquid crystal compounds, and further having general physical properties necessary for the compound, namely, stability to heat, light and so forth, a suitable optical anisotropy and a suitable dielectric anisotropy. A compound is represented by formula (1): wherein, for example, Ra and Rb are alkyl having 1 to 10 carbons; A1, A2, A3 and A4 are 1,4-phenylene; Z1, Z2, Z3 and Z4 are a single bond or alkylene having 1 to 4 carbons; and m, n, q and r are independently 0, 1, or 2, and a sum of m, n, q and r is 1, 2, 3 or 4.

Abstract: To provide a liquid crystal compound having a large positive value of dielectric anisotropy and a small viscosity. The compound is represented by formula (1): wherein, in formula (1), R1 is alkyl having 1 to 20 carbons or the like; ring A1 is 1,4-cyclohexylene or the like; ring A2 is 1,4-phenylene, 2-fluoro-1,4-phenylene, 2,6-difluoro-1,4-phenylene or the like; ring A3 is 1,4-cyclohexylene, 1,4-phenylene, 2-fluoro-1,4-phenylene, 2,6-difluoro-1,4-phenylene or the like; and X1 is halogen, alkyl having 1 to 10 carbons or the like, and in the alkyl, at least one of hydrogen may be replaced by halogen.

Abstract: To provide a liquid crystal compound showing a large absolute value of dielectric anisotropy (|??|. A compound is represented by formula (1): wherein, in formula (1), Ra and Rb are fluorine, alkyl having 1 to 10 carbons or the like, and in the alkyl, at least one of —CH2— may be replaced by —O— or the like, however, Ra and Rb are not identical; A1, A2, A3, A4 and A5 are 1,4-cyclohexylene, 1,4-phenylene or the like, and in the groups, at least one of hydrogen may be replaced by fluorine; Z1, Z2, Z4 and Z5 are a single bond or the like; Y1, Y2, Y3 and Y4 are hydrogen, fluorine or the like; and m, n, q and r are 0, 1 or 2, and a sum of m, n, q and r is 0, 1, 2, 3 or 4.

Abstract: A method to inhibit the ethylene response in plants with cyclopropene compounds by first generating stable cyclopropane precursor compounds and then converting these compounds to the gaseous cyclopropene antagonist compound by use of a reducing or nucleophilic agent.

Abstract: A liquid crystal compound is described, which has stability to heat, light and so forth, keeps a nematic phase in a wide temperature range, has a small viscosity, a suitable optical anisotropy and a suitable elastic constant K33, and further has a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The liquid crystal compound is represented by formula (1): wherein, for example, R1 is alkyl having 1 to 10 carbons, R2 is alkoxy having 1 to 10 carbons; ring A1, ring A2 and ring A5 are 1,4-cyclohexylene, 1,4-phenylene, or 1,4-phenylene in which arbitrary hydrogen is replaced by fluorine; Z1 and Z4 are a single bond, —CH2CH2— or —CH?CH—; a, b and e are 0 or 1, and c and d is 0; X1, X2 and X4 are hydrogen, and X3 is fluorine; and L1 and L2 are fluorine.

Abstract: A method for the synthesis of carbon-based structures, particularly graphene substructures and ribbons, from oligo- and poly-alkyne starting materials.

Abstract: 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 independently an integer of 1 to 5, each p is independently an integer of 1 to 4, n is an integer of 1 to 5 and wherein the values of n for the first and second ethers are different.

Abstract: The invention relates to liquid-crystalline mixtures comprising at least one compound of the formula I, in which X, L1, L2, L3, L4 and alkenyl have the meanings indicated in claim 1, in order to increase the pretilt at the polyimide surface, and to liquid-crystalline media comprising one or more compounds of the formula I in electro-optical liquid-crystal displays and in LC lenses.

Abstract: To provide a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a large elastic constant, a high stability to ultraviolet light and heat, or a liquid crystal composition having a suitable balance regarding at least two of the characteristics; and an AM device having a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth; wherein a liquid crystal composition has a nematic phase and contains a specific compound having a high maximum temperature and a large dielectric anisotropy as a first component, and a specific compound having a small viscosity as a second component, and may contain a specific compound having a large dielectric anisotropy as a third component.

Abstract: A liquid crystal compound having a high stability to heat, light or the like, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds, and a liquid crystal composition including this compound, and a liquid crystal display device containing this composition. A compound represented by formula (1): for example, R1 is alkyl having 1 to 10 carbons; ring A1, ring A2 and ring A3 are 1,4-cyclohexylene, 1,4-phenylene or 1,4-phenylene in which at least one of hydrogen has been replaced by fluorine; Z1 is a single bond, and Z2 and Z3 are —CF2O— or —OCF2—; X1 is fluorine; and L1 and L2 are fluorine.

Abstract: The invention provides a liquid crystal compound having a suitable value of refractive index anisotropy, a suitable value of dielectric anisotropy, steep characteristics electro-optic characteristics, a wide temperature range of a nematic phase and an excellent compatibility with other liquid crystal compounds, and a liquid crystal compounds especially having a wide temperature range of a nematic phase. A compound represented by formula (1). For example, R1 and R2 are each independently alkyl having 1 to 9 carbons or alkenyl having 2 to 9 carbons, alkoxy having 1 to 8 carbons or alkenyloxy having 2 to 8 carbons; Q1 and Q4 are each independently fluorine or chlorine; Q2 and Q3 are each independently hydrogen, fluorine or chlorine, and one of Q2 and Q3 is hydrogen; Z is —CH2 O— or —COO—; and h is 1 or 2.

Abstract: Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound useful in preparing this composition.

Abstract: Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound represented by the formula [R1-(A1)a-Z1-(A2)b-Z2-(A7)e-Z5-A3-CF?CFCF2O-A4-Z3-(A5)c-Z4-(A6)d-R2].

Abstract: 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 styrene-acrylonitrile copolymer resin; and (B) 10-30 weight part of a bromine-based organic compound flame retardant, and selectively comprising (C) 1-20 weight part of an antimony-based auxiliary flame retardant and (D) 1-10 weight part of one or more compounds selected from the group consisting of metalstearate and stearamide compounds, wherein the bromine-based organic compound flame retardant (B) is octabromodiphenyl ethane. The flame retardant resin composition of the present invention has excellent flame retardancy, impact strength and melt flow index.

Abstract: The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a large elastic constant K33, a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition having characteristics similar to these of the compound. The invention provides a liquid crystal display device having a short response time, low electric power consumption, a low driving voltage, a large contrast and a wide temperature range in which the device can be used. The compound is a 2,3-difluorobenzene derivative (1) having a combination of a cyclohexane ring, a cyclohexene ring or a benzene ring phenyl and a butene bonding group. The liquid crystal composition includes this compound, and the liquid crystal display device contains this composition.

Abstract: The invention provides a liquid crystal compound having general physical properties necessary for the liquid crystal compound, namely, stability to heat, light and so forth, a small viscosity, a refractive index anisotropy having a suitable magnitude value, a dielectric anisotropy having a suitable magnitude value, steep electrooptical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; a compound represented by formula (i): wherein, for example, R1 and R2 are alkyl having 1 to 8 carbons or alkenyl having 2 to 8 carbons; ring A1 is trans-1,4-cyclohexylene or 1,4-phenylene; ring A2 is trans-1,4-cyclohexylene or 2,3-difluoro-1,4-phenylene; Q1 and Q2 are fluorine or chlorine; and h is 0, 1 or 2.

Abstract: The present invention provides a method for the preparation of some novel multiconjugated 2- or 4-hydroxy substituted stilbenes. The method provides one pot multicomponent approach wherein 3-4 step reaction sequences viz.

Abstract: Disclosed is a liquid crystal composition suitable for producing a liquid crystal electrooptical element which can be driven at a low voltage in a wide temperature range and has high display quality. Also disclosed is a liquid crystal electrooptical element produced by using the liquid crystal composition. Further disclosed is a liquid crystal compound useful in preparing this composition.

Abstract: The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33, and further having a suitable negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The invention also provides a liquid crystal composition including this liquid crystal compound and a liquid crystal display device containing this liquid crystal composition. A liquid crystal compound represented by formula (a): For example, Ra and Rb are alkyl having 1 to 10 carbons, alkenyl having 2 to 10 carbons or alkoxy having 1 to 9 carbons; the ring A1 and the ring A2 are 1,4-phenylene or trans-1,4-cyclohexylene; L1, L2, L3 and L4 are hydrogen or fluorine, and at least three of them are fluorine; and Z1 and Z2 are a single bond, —(CH2)2—, —CH?CH—, —CH2O— or —OCH2—.

Abstract: A subject-matter of the present invention is a novel process for the synthesis of (E)-stilbene derivatives targeted at obtaining in particular resveratrol and piceatannol.

Abstract: The invention provides a liquid crystal compound that has an excellent compatibility with other liquid crystal compounds and also has at least one of characteristics such as a high stability to heat, light or the like, a suitable refractive index anisotropy (?n), a low threshold voltage and a suitable dielectric anisotropy (??). A compound represented by formula (1). For example, R1 is alkyl having 1 to 10 carbons, R2 is halogen or alkenyl having 2 to 10 carbons; the ring A1, the ring A2 and the ring A3 are 1,4-cyclohexylene or 1,4-phenylene; Z1, Z2 and Z3 are a single bond or alkylene having 1 to 4 carbons; G is —CH2— or —O—; and m is 1, and n and p is 0 or 1.

Abstract: This disclosure relates to reagents and methods useful in the synthesis of aryl fluorides, for example, in the preparation of 18F labeled radiotracers. The reagents and methods provided herein may be used to access a broad range of compounds, including aromatic compounds, heteroaromatic compounds, amino acids, nucleotides, and synthetic compounds.