Abstract: Use of 9,10-anthraquinone compounds of formula (I) or pharmaceutical salts thereof or plant extracts containing said compounds in the preparation of anti-HCV medicaments is disclosed, in which Y1 are Y2 are independently hydrogen, hydroxyl or groups of formula (II); and R1, R2, R3, R4, R5 and R6 are independently hydrogen, hydroxyl, carboxyl, cyano group, nitro group, groups of formula (III) or groups selected from those substituted or unsubstituted groups: amino, C1-C6 aliphatic hydrocarbon, C3-C7 cyclic aliphatic hydrocarbon, C1-C6 alkoxy, C2-C7 carbalkoxy, C1-C4 acyloxy, C6-C20 aryl, or 5 to 7 members heterocyclic or benzoheterocyclic thereof; or R5 and R6 form the group of formula (IV). The compounds of present invention are cheap, safe and effective because that they mostly come from traditional Chinese medicines and have better anti-HCV effects and lighter side effects.

Abstract: The present invention concerns morpholinyl containing benzimidazoles having inhibitory activity on the replication of the respiratory syncytial virus and having the formula a prodrug, N-oxide, addition salt, quaternary amine, metal complex or stereochemically isomeric form thereof. It further concerns the preparation thereof and compositions comprising these compounds, as well as the use thereof as a medicine.

Abstract: The invention discloses new substituted anthraquinone dyes that may be useful as cellular stains. In some aspect of the invention, the nuclear stains are useful for staining the nuclei of dead or fixed cells. Another aspect of the invention relates to substituted anthraquinone dyes comprising an enzyme substrate moiety that is transformable or cleavable by an enzyme such that the transformation or cleavage of the substrate moiety causes a detectable change in the functionality or spectral properties of the dye.

Abstract: Methods are provided for identifying molecules that can be used to positively and negatively manipulate quorum-sensing-mediated communication to control bacterial behavior. Small-molecule antagonists that disrupt quorum-sensing-mediated activities are identified. Methods are provided for disrupting detection of acyl-homoserine lactone autoinducer in Gram-negative bacteria by contacting the bacteria with the antagonists. Methods of inhibiting quorum sensing-mediated activity in Gram-negative bacteria are provided wherein the activity is pathogenicity, bioluminescence, siderophore production, type III secretion, or metalloprotease production.

Abstract: The invention discloses new substituted anthraquinone dyes that may be useful as cellular stains. In some aspect of the invention, the nuclear stains are useful for staining the nuclei of dead or fixed cells. Another aspect of the invention relates to substituted anthraquinone dyes comprising an enzyme substrate moiety that is transformable or cleavable by an enzyme such that the transformation or cleavage of the substrate moiety causes a detectable change in the functionality or spectral properties of the dye.

Abstract: A heteroannelated anthraquinone derivative compound is provided. The heteroannelated anthraquinone derivative compound is represented by a formula (I): wherein R1 is a substituent being one selected from a group consisting of i) a first substituent being one selected from a group consisting of a hydryl group, an amino group, a nitro group, a hydroxyl group and a cyan group, ii) a second substituent being one selected from a group consisting of (CH2)nX, a straight (CH2)n alkyl group, a (CH2)n alkoxyl group, a branched (CH2)n alkyl group, a C3˜C12 nephthenic group, and a C3˜C12 cyclic alkoxyl group, wherein 1?n?12, and X is a halogen, iii) a third substituent being one selected from a group consisting of a straight C1˜C8 alkyl group with a double-bond, a C1˜C8 alkoxyl group with a double-bond, a branched C1˜C8 alkyl group with a double-bond and a C3˜C8 nephthenic group with a double-bond, and iv) a fourth substituent of a C5˜C12 heterocyclic group.

Abstract: The present invention provides bifunctional polymers, methods of preparing the same, and intermediates thereto. These compounds are useful in a variety of applications including the PEGylation of biologically active molecules. The invention also provides methods of using said compounds and compositions thereof.

Abstract: A series of novel anthra[1,2-d]imidazole-6,11-dione derivatives, and the preparation method and application of said derivatives, wherein said application includes a pharmaceutical composition containing said derivatives for treating cancer, and said application involves effects of said derivatives for inhibiting telomerase activity, inhibiting the growth of cancer cell, treating cancer and the like.

Abstract: A series of novel thio-substituted anthra[1,2-d]imidazole-6,11-dione derivatives, and the preparation method and application of said derivatives, said application having a pharmaceutical composition containing said derivatives with therapeutically effective amount for treating cancer, and said application involves effects of said derivatives for inhibiting telomerase activity, inhibiting the growth of cancer cell, treating cancer and the like.

Abstract: A series of novel thio-substituted anthra[1,2-d]imidazole-6,11-dione dervatives, and the preparation method and application of said derivatives, said application having a pharmaceutical composition containing said derivatives with therapeutically effective amount for treating cancer, and said application involves effects of said derivatives for inhibiting telomerase activity, inhibiting the growth of cancer cell, treating cancer and the like.

Abstract: Methods are provided for identifying molecules that can be used to positively and negatively manipulate quorum-sensing-mediated communication to control bacterial behavior. Small-molecule antagonists that disrupt quorum-sensing-mediated activities are identified. Methods are provided for disrupting detection of acyl-homoserine lactone autoinducer in Gram-negative bacteria by contacting the bacteria with the antagonists. Methods of inhibiting quorum sensing-mediated activity in Gram-negative bacteria are provided wherein the activity is pathogenicity, bioluminescence, siderophore production, type III secretion, or metalloprotease production.

Abstract: There are provided a novel onium salt and a method for optimizing the interface of a negative electrode by the use of the novel onium salt and/or a conventional onium salt. Such a method is characterized in that an electrolyte comprising novel 2,2,2-trifluoro-N-(trifluoromethanesulfonyl)acetamide•tetraethyl ammonium salt is made to intervene between a negative electrode and a positive electrode in an electrochemical device having the constitution: a negative electrode|an electrolyte|a positive electrode, thereby constructing an electrode structure in the electrochemical device, and applying a voltage between the negative electrode and the positive electrode so as for the negative electrode to have a potential of ?1 V to ?5 V in terms of the potential relative to a reference electrode of I?/I3?, thereby forming a passive-state layer comprising a decomposition product of the above electrolyte or salt on the surface of the above negative electrode.

Abstract: The present invention provides bifunctional polymers, methods of preparing the same, and intermediates thereto. These compounds are useful in a variety of applications including the PEGylation of biologically active molecules. The invention also provides methods of using said compounds and compositions thereof.

Abstract: A heteroannelated anthraquinone derivative compound is provided. The heteroannelated anthraquinone derivative compound is represented by a formula (I): wherein R1 is a substituent being one selected from a group consisting of i) a first substituent being one selected from a group consisting of a hydryl group, an amino group, a nitro group, a hydroxyl group and a cyan group, ii) a second substituent being one selected from a group consisting of (CH2)nX, a straight (CH2)n alkyl group, a (CH2)n alkoxyl group, a branched (CH2)n alkyl group, a C3˜C12 nephthenic group, and a C3˜C12 cyclic alkoxyl group, wherein 1?n?12, and X is a halogen, iii) a third substituent being one selected from a group consisting of a straight C1˜C8 alkyl group with a double-bond, a C1˜C8 alkoxyl group with a double-bond, a branched C1˜C8 alkyl group with a double-bond and a C3˜C8 nephthenic group with a double-bond, and iv) a fourth substituent of a C5˜C12 heterocyclic group.

Abstract: Compounds of formula (I): The present invention relates to novel indazolyl ester or amide derivatives, to pharmaceutical compositions comprising such derivatives, to processes for preparing such novel derivatives and to the use of such derivatives as medicaments

Abstract: The invention relates to a monomer (6, 14) carrying an imidazole-type heterocycle (3). According to the invention, the chemical structure of said monomer (6, 14) comprises at least one unit of formula (I) wherein R1 comprises an alkenyl grouping and R2 comprises a grouping for protecting one of the nitrogen atoms of the heterocycle. The invention also relates to a monomer carrying a benzimidazole-type heterocycle, and to protected polymers obtained from said monomers, deprotected polymers produced by the protected polymers, a proton exchange membrane based on deprotected polymers, and a fuel cell provided with said membrane. Furthermore, the invention relates to methods for producing the above-mentioned monomers and polymers.

Abstract: The present invention relates to new substituted thiophene-2-carboxylic acid amides of general formula wherein A, and R1 to R8c are defined as in claim 1, the tautomers, the enantiomers, the diastereomers, the mixtures thereof and the salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable properties.

Abstract: Compounds of the general formula: or a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, and X are as defined. Further provided are methods for treatment of sexual dysfunction, including erectile dysfunction and female sexual dysfunction, and combination drugs and method of use thereof, including a compound of the invention and one or more second sexual dysfunction pharmaceutical agents.

Abstract: The present invention relates to novel substituted indole compounds that are antagonists of alpha V (?v) integrins, for example ?v?3 and ?v?5 integrins, their pharmaceutically acceptable salts, and pharmaceutical compositions thereof. The compounds may be used in the treatment of pathological conditions mediated by ?v?3 and ?v?5 integrins, including such conditions as tumor growth, metastasis, restenosis, osteoporosis, inflammation, macular degeneration, diabetic retinopathy, and rheumatoid arthritis. The compounds have the general formula: where R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, D, X, W, a, m, n, i, j, k and v are defined herein.

Abstract: Compounds of the formula useful for treatment of disorders of the dopaminergic system, such as schizophrenia, schizoaffective disorder, bipolar disorder, Parkinson's disease, L-DOPA induced pychoses and dyskinesias, Tourette's syndrome and hyperprolactinemia and in the treatment of drug addiction such as the addiction to ethanol, nicotine or cocaine and related illnesses.

Abstract: A compound is provided having the formula: 1

Abstract: Use of a compound of formula (I): wherein X is optionally substituted aminoalkyl, optionally substituted alkylene or an interactive group; Y and Z may be the same or different and are selected from N, O, S and C(R′) wherein R′ is hydrogen, optionally substituted alkyl or optionally substituted alkenyl; ---- is a double bond unless the attached Y or Z group is O or S in which case it is a single bond; and R1 to R11 may be the same or different and are selected from hydrogen, a sterically hindering group and an electron donating group; or any two of R1 to R11, Y, Z, NH and R′ may together with the carbon atoms to which they are attached form an optionally substituted ring which may contain heteroatoms, provided that at least one of R1 to R11 is an electron donating group and that when X is NCH3, Y and Z are N and R1, R2 and R4 to R11 are hydrogen, then R3 is not OH or OCH2CH3; and salts thereof, pharmaceutically acceptable derivatives thereof, pro-drugs thereof and/or tau

Abstract: The invention is drawn to 7-substituted-9-(substituted amino)-6-demethyl-6-deoxytetracycline compounds of the formula wherein R, X, R5 and R6 are defined in the specification. The compounds of the invention are useful as broad spectrum antibiotics.