Abstract: The present disclosure relates to the preparation of polymorphic mixtures of Cepharanthine.2HCl. Mixtures of at least two polymorphic forms can be formed into a mobile liquid phase in organic/aqueous solvent mixtures along with enteric polymer that can be spray dried to produce solid particulate enteric formulations for medicinal drug-treatment applications.

Abstract: PDI derivatives useful as opto-electronically active materials or for the synthesis of such materials. Certain compounds herein function as efficient electron acceptors and are useful as electron active components of electronic devices.

Abstract: An electrophotographic photosensitive member includes a photosensitive layer containing a naphthalenediimide derivative represented by the following formula (1) or (2). In the formula (1) or (2), R1 represents an alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 12 carbon atoms and optionally having an alkyl group having 1 to 10 carbon atoms, an aralkyl group having 7 to 12 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, or an alkoxy group having 1 to 6 carbon atoms.

Abstract: An organic electroluminescent element comprising a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer which is arranged between the electrodes and which includes a light emitting layer, wherein the organic layer contains a compound represented by general formula (1) in at least one layer. The organic electroluminescent element has a high luminous efficiency, excellent blue color purity, and little chromaticity change due to drive deterioration. (In the formula, the two Xs either both represent an O atom or both represent an S atom, and R1-R10 each independently represents a hydrogen atom or a substituent group).

Abstract: An organic electroluminescent element including a substrate, a pair of electrodes including an anode and a cathode, disposed on the substrate, and at least one organic layer including a light emitting layer, disposed between the electrodes, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn1, Ac1, L1, L2, L3, ring Z1, u1, q1, n1, m1, A11, and A12 are as defined herein.

Abstract: The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These dyes can be obtained in a three-step synthesis from simple substrates.

Abstract: A new family of tetracene tetracarboxylic diimides is provided. These ones can made by reacting a 9-stannafluorene with a tetrabromo compound including a tetracene tetracarboxylic diimide core. They can be used as n-type electron-transporting materials in electronic devices such as n-channel field-effect transistors. They exhibit excellent air-stability and do not cause parasite injections of holes.

Abstract: The invention relates to novel compounds of formula (III) that can be used as heterocyclic dyes of unique structure and properties. These dyes can be obtained in a three-step synthesis from simple substrates.

Abstract: An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has a high effect of inhibition of voltage during high-luminance driving: wherein R1 to R6; E1 and E2; X1 and X2; and A1 to A8 are as defined herein.

Abstract: An organic electroluminescent element using a compound represented by the following general formula (I) emits dark blue light and has small changes in the chromaticity and in the driving voltage even after driving for a long period of time: wherein R1 to R6; Q1 and Q2; X1, X2, X3 and X4 are as defined herein.

Abstract: Thin layers or films of metal oxides are used as a semiconductor material of solar cells and they are coated with a sensitizer to achieve the high absorption of sunlight. Various dyes have been used as sensitizers in solar cells. Rylene monoimide derivatives are developed as photosensitizers for dye-sensitized solar cells and as photodetectors. The Rylene monoimide derivatives have very good quantum efficiencies, particularly in the NIR region of the absorption spectrum.

Abstract: A species for use, for example, in a charge transfer layer of a photovoltaic device, the species comprising an acceptor group to which is fused a tuning group. The species can be a small molecule, polymer or oligomer, and monomers for producing said polymer, photovoltaic devices comprising said species, and methods for producing said device, are also provided.

Abstract: Polycyclic aromatic hydrocarbon compounds having an S atom or S(?O)2 moiety incorporated in their basic polycyclic structure that can have a nitrogen-containing heterocycloaliphatic group and/or a substituted or unsubstituted phenoxy group and/or a polymeric moiety bonded to the polycyclic structure and to compositions such as, e.g., printing inks which comprise these polycyclic aromatic hydrocarbons as colorants.

Abstract: A heterocyclic compound represented by Formula 1 below and an organic light-emitting device including the heterocyclic compound: wherein X1 and X2, X1 and R1 to R10 are defined as in the specification.

Abstract: The present invention discloses a gamboge acid cyclization analogs, their preparation methods and applications by semi-synthesis with the following structural formula I-III: Where ring A, ring B or/and ring C is 4-10 membered saturated or/and unsaturated aliphatic ring aliphatic heterocycle or aryl heterocycle. R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11 or/and R12 is, independently at each occurrence, optionally substituted substituent of glycosyl, multi-hydroxyl, amino acid, acyloxy, phosphoric acid oxy, sulfonyloxy, alkoxy, aryloxy, heterocyclic oxy, thiol, aliphatic or cyclic group containing oxygen, sulfur, nitrogen or phosphorus, one of the substituents or combinations thereof. The present invention has antitumor activity management, antiviral, antibacterial and antifungal activity management, as anti-tumor, anti-viral, immune, antibacterial and antifungal agents, with other known anti-tumor, anti-viral, immune, together with the application of antibacterial and antifungal.

Abstract: Dibenzorylenetetracarboximides of the general formula I in which the variables are each defined as follows: R? are identical or different radicals: hydrogen; optionally substituted aryloxy, arylthio, hetaryloxy or hetarylthio; R are identical or different radicals: hydrogen; optionally substituted C1-C30-alkyl, C3-C8-cycloalkyl, aryl or hetaryl; m, n are each independently 0 or 1.

Abstract: 8-Substituted-2,6-methano-3-benzazocines of general structure are useful as analgesics, anti-diarrheal agents, anticonvulsants, antitussives and anti-addiction medications.

Abstract: The invention provides kappa receptor agonists of formula (I) and delta receptor antagonists of formula (II), wherein R1-R6 X and n have any of the meanings given in the specification, as well as compositions comprising them, methods for their use, and synthetic procedures and intermediates useful for their preparation.

Abstract: This invention relates to: an indole derivative or a pharmaceutically acceptable salt thereof represented by formula (I): wherein R1 is, for example, hydrogen or C1-5 alkyl; R2 is, for example, hydrogen or hydroxy; R3 is, for example, hydrogen or hydroxy; —Z— is a crosslinkage having 2 to 5 carbon atoms; m is an integer from 0 to 3; n is an integer from 0 to 10; R4 and R5 are, for example, fluoro or hydroxy; R9 is, for example, hydrogen or C1-5 alkyl; and R10 and R11 are bound to each other to form, for example, —O—; and a pharmaceutical composition comprising the same, particularly a drug acting on &dgr; opioid receptor.

Abstract: This invention relates to a process of preparing a perylene pigment compositions containing a reactive co-precipitated blend of (1) about 75 to about 99.9 mol %, relative to the pigment composition, of a compound having the formula (I)  wherein R is hydrogen, C1-C6 alkyl, C5-C8 cycloalkyl, C7-C16 aralkyl, or C6-C10 aryl, A is C1-C6 alkyl, C1-C6 alkoxy, a sulfonyl group, amino, ammonium, hydroxy, nitro, or halogen, and m is zero or a number from 1 to 8; and (2) about 0.1 to about 25 mol %, relative to the pigment composition, of a perylene dicarboxamidine imide having the formula (II)  wherein W is optionally substituted or modified C2-C3 alkylene.

Abstract: This invention relates to a process of preparing a perylene pigment compositions containing a reactive co-precipitated blend of

Abstract: The present inventions relates to nucleus-extended perylenebisimides of formula (I) intermediates in the preparation of compounds (I) and processes for the preparation of those intermediates and also processes for the preparation of compounds, (I), and the use thereof as colorants.

Abstract: A novel compound which is a &dgr;-opioid antagonist having high selectivity and activity, that exhibits immunosuppressive action, antiallergic action, anti-inflammatory action and brain cell-protecting action is disclosed. The compound according to the present invention is an indole derivative represented by the formula (I): and pharmaceutically acceptable acid addition salts thereof. The present invention also provides an immunosuppressive agent, antiallergic agent, anti-inflammatory agent and brain cell-protecting agent comprising the derivative or the salt as an effective ingredient.

Abstract: The present invention provides an indolomorphinan derivative or a pharmacologically acceptable acid addition salt thereof, and an agent for curing and preventing cerebral disorders composed of the derivative and salt thereof, which is represented by the following formula (I): ##STR1## [wherein R.sup.1 represents cyclopropylmethyl or the like; R.sup.2 and R.sup.3 each represent hydroxy methoxy, or the like; R.sup.4 represents hydrogen, methyl, benzyl, 3-isothiocyanatopropyl, or the like; and (R.sup.5).sub.m represents hydrogen, substituted benzo, or the like]. The compounds of the present invention have the excellent effect of preventing damage of the cerebral nerve cells.

Abstract: A novel compound which is a .delta.-opioid antagonist having high selectivity and activity, that exhibits immunosuppressive action, antiallergic action, anti-inflammatory action and brain cell-protecting action is disclosed. The compound according to the present invention is an indole derivative represented by the formula (I): ##STR1## and pharmaceutically acceptable acid addition salts thereof. The present invention also provides an immunosuppressive agent, antiallergic agent, anti-inflammatory agent and brain cell-protecting agent comprising the derivative or the salt as an effective ingredient.

Abstract: A novel compound which is a .delta.-opioid antagonist having high selectivity and activity, that exhibits immunosuppressive action, antiallergic action, anti-inflammatory action and brain cell-protecting action is disclosed. The compound according to the present invention is an indole derivative represented by the formula (I): ##STR1## and pharmaceutically acceptable acid addition salts thereof. The present invention also provides an immunosuppressive agent, antiallergic agent, anti-inflammatory agent and brain cell-protecting agent comprising the derivative or the salt as an effective ingredient.

Abstract: The present invention relates to indole derivatives represented by the following compound 1 and the pharmacologically acceptable acid addition salt thereof. ##STR1## The compounds of the present invention were found to exhibit strong antitussive and analgesic actions as a result of pharmacological evaluation, and can be used in the pharmaceutical field as effective antitussives and analgesics.

Abstract: Non-naturally occuring dynemicin analogs are provided, which are useful as DNA cleaving agents, cytotoxic agents, and/or anti-tumor compounds. Methods of making dynemicin analogs are also provided.

Abstract: 4-Phenafluorophenoxypiperidines and methods for alleviating pain and treating depression, convulsions, and hypertension utilizing compounds or compositions thereof are disclosed.

Abstract: Delta-opioid receptor antagonists are disclosed of the formula: ##STR1## wherein R.sup.1 is (C.sub.1 -C.sub.5)alkyl, C.sub.3 -C.sub.6 (cycloalkyl)alkyl, C.sub.5 -C.sub.7 (cycloalkenyl)alkyl, aryl, aralkyl, trans-(C.sub.4 -C.sub.5)alkenyl, allyl or furan-2-ylalkyl, R.sup.2 is H, OH or O.sub.2 CR, wherein R is (C.sub.1 -C.sub.5)alkyl; R.sup.3 is H, (C.sub.1 -C.sub.5)alkyl or RCO; X is O, S or NY, wherein Y is H or (C.sub.1 -C.sub.5)alkyl; M is N or CH; and R.sup.4 and R.sup.5 are individually H, F, Cl, Br, NO.sub.2, NH.sub.2, (C.sub.1 -C.sub.5)alkyl or (C.sub.1 -C.sub.5)alkoxy or R.sup.4 and R.sup.5 together are benzo; and the pharmaceutically acceptable salts thereof.

Abstract: The invention relates to a process for the preparation of anthraquinone imides by condensing vattable anthraquinone compounds which contain at least one primary amino group with aromatic halogen compounds, in an organic solvent and at elevated temperature in the presence of a base and a copper catalyst. The process comprises first carrying out the condensation until a reaction of 60-95% has taken place, and then subjecting the reaction mixture, without isolating the reaction product, to an aftertreatment at a temperature which is 5.degree. to 60.degree. C. above the initial temperature of the condensation. This process permits the anthraquinone imides to be obtained in increased yield and additionally provides products with improved qualities. The intermediates so obtained can be further processed to vat dyes.

Abstract: A process for purifying crude organic pigments, wherein the crude pigment is suspended in a mixture of two organic liquids which are partially or completely immiscible with one another, the suspension is mixed at 50.degree.-180.degree. C. until equilibrium has been reached, the phases are allowed to separate, the phase containing the impurities (i.e. the first liquid) is separated off and the purified pigment is isolated from the other phase (i.e. the second liquid).Finely divided crude pigments can, directly after purification, be converted, while in the second liquid, into pigmentary forms.The process gives pigments of high purity, which after conversion into pigmentary forms give deep, brilliant colorations.

Abstract: Dye intermediates of the formula ##STR1## where R.sup.1 is hydrogen, alkyl of 1 to 12 carbon atoms, phenyl which is unsubstituted or substituted by alkyl of 1 to 4 carbon atoms, methoxy, ethoxy, chlorine or bromine, or phenylalkyl of 7 to 10 carbon atoms, R.sup.2 is hydrogen or R.sup.1 and R.sup.2 together are dimethylene, trimethylene or tetramethylene, which are unsubstituted or substituted by alkyl of 1 to 12 carbon atoms, R.sup.3 and R.sup.5 are hydrogen, alkyl of 1 to 12 carbon atoms, cyano-, chlorine-, methoxy- or ethoxy-substituted alkyl of 2 to 4 carbon atoms, cycloalkyl of 5 to 7 carbon atoms, phenylalkyl of 7 to 10 carbon atoms or trimethylene which is unsubstituted or substituted by 1 to 3 methyl and is bonded to the carbon atom in the 6-position or 6'-position of the benzene ring, R.sup.4 and R.sup.

Abstract: A process for the production of pyranthrones or flavanthrones which comprises reacting substituted or unsubstituted 2,2'-dialkyl-1,1'-dianthraquinonyls or 2,2'-diacylamino-1,1'-dianthraquinonyls respectively in a two-phase system of aqueous organic solvents using quaternary ammonium or phosphonium compounds as catalysts.

Abstract: Novel anthanthrene derivatives characterized by the general formula ##STR1## where Alk is an alkyl C.sub.1 -C.sub.10, X.sub.1, X.sub.2 and X.sub.3, X.sub.4 stand for a group (1) --CH.sub.2 --CH.sub.2 -- or a group ##STR2## wherein Y is an oxygen atom or an imino-group, either unsubstitutedor containing substituents: alkyl, cycloalkyl, aryl; or, else, one of X.sub.1 and X.sub.2, as well as one of X.sub.3 and X.sub.4 is a CO-group, the other X then entering, corresponding, into the benzimidazole cycle. The structure of said compounds can be either symmetrical or non-symmetrical with respect to X.sub.1, X.sub.2 and X.sub.3, X.sub.4.Said anthanthrene derivatives are produced by cyclization in the presence of condensing agents of compounds having the formula ##STR3## where Z is either CHOH or CO, and Alk, X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are as defined above.Some of the said anthanthrene derivatives are used as dyes or pigments, while others serve as starting products for producing dyes or pigments.