464 results about "Antifungal drug" patented technology

The invention aims at providing chemical synthesis and preparation of an aromatic heterocyclic pyridine and the analogs thereof to obtain derivatives and analogs of a plurality of series of aromatic heterocyclic pyridine and medicinal salts or salts having the following formulas or prodrugs, and the preparation, a pharmacologically activity experimental method and pharmacologically activity thereof are provided. The definitions of dotted line, ring A, ring B, X1, X2, X3, X4, R1, R2 and R3 in formula I are shown in the description. The invention provides the aromatic heterocyclic pyridine derivatives and analogue with antibacterial and antifungal activities, also provides the application thereof as antibacterial and antifungal drugs and the application thereof in concomitant use with other known antibacterial and antifungal drugs and with drugs for curing bacteria infection coupled with various complicating diseases such as inflammation, virus, immune system diseases and the like, and also provides the preparation method of the aromatic heterocyclic pyridine analogs.

A method for simultaneously treating mucositis and fungal infection in a mammal in need thereof, said method comprising administering to said mammal an effective amount of an anti-mucositis and anti-fungal pharmaceutical composition consisting of a tetracycline compound in an amount that is effective to simultaneously treat mucositis and fungal infection, but has substantially no antibiotic activity.

The invention belongs to the organic chemical field and relates to a method for preparing a medical compound chlorphenesin; wherein, the chlorphenesin belongs to an antifungal drug. For more than ten years, the product is internationally applied in necessities, such as medical soaps, soaps, ointments, nail polishes, etc. The product is also an intermediate product for preparing chlorphenesin carbamate. The invention has the advantages of easy preparation method and technique operation, easy industrialized production, high safety and stable product quality.

An improved antifungal composition for topical application to the skin and nails comprises: (1) an allylamine antifungal compound; (2) an aliphatic alcohol substituted with an aromatic substituent in which the allylamine antifungal compound is soluble to a degree that a therapeutically effective concentration of the allylamine antifungal compound can be applied topically in solution; (3) a lower aliphatic alcohol in which the aromatic alcohol is soluble; and (d) water or a water-compatible solvent mixture. The allylamine antifungal compound can be terbinafine or naftifine. The aliphatic alcohol substituted with an aromatic substituent can be benzyl alcohol or phenethyl alcohol. The lower aliphatic alcohol can be ethyl alcohol or isopropyl alcohol. In an alternative, the composition can further comprise an additional antifungal compound. Another aspect of the invention is a method for treatment of a fungal infection of skin or nails comprising administering the antifungal composition of the present invention topically to the skin or nails in an amount therapeutically effective to treat the fungal infection.

The invention discloses a multifunctional microemlusion gel preparation and a preparation process thereof, and belongs to the technical field of medicines. The preparation mainly comprises bulk pharmaceutical chemicals (such as non-steroidal anti-inflammatory drugs-diclofenac sodium, ibuprofen, indometacin, antifungal drugs-ornidazole, antiviral drugs-ganciclovir, hormone drugs-dexamethasone, local anesthesia drugs-lidocaine and irritants-menthol), a cationic polymer and a microemlusion, can further comprise gel or a thickener, and can be used for transdermal drug delivery and local drug delivery. The preparation process is simple, convenient, good in stability and pollution-free. Compared with existing cream and gel, the preparation has the advantages that a novel action mechanism is adopted, the accumulative penetration amount of unit area of drugs is remarkably increased, a certain slow-release effect is achieved, and the drug delivery frequency and the drug delivery amount can be reduced; a chemical penetration enhancer and a conventional preservative are not added, a certain bacterial inhibition effect is achieved, the skin irritation is avoided, and the use safety of the drugs is improved.

The invention relates to a preparation method of effective fractions of shining wintersweet leaf, a preparation method and a use of a preparation thereof, in particular to an application of the effective fractions of the shining wintersweet leaf and the preparation thereof in drugs used for preventing and treating respiratory system diseases as well as in anti-cold drugs, antimicrobial drugs, anti-inflammation drugs, antiviral drugs, antifungal drugs, etc. In the invention, the volatile effective fractions and non-volatile effective fractions are added to the crude drug of the shining wintersweet medicinal material with a weight ratio of the actual extraction amount of the shining wintersweet to the effective fractions being 1.0-2.6:0.5-3.5, thus the effective fractions of the shining wintersweet leaf are obtained. A preparation of the effective fractions of the shining wintersweet can be made into granules, soft capsules, capsules, drop pills, tablets, compound capsules, dispersible tablets, etc. In the invention, the preparation of the shining wintersweet is deeply developed, which ensures that the preparation is rich in active ingredients, has definite effective ingredients, obvious pharmacological action and significant improvement of drug action. Besides, the preparation has stable performance and controllable quality, is safe and reliable, has less dosage, and is favorable for transportation and storage of the medicine as well as for patients to take.

The present invention relates to medicine technology, and is 3-substituted piperazine triazonyl alcohol as new antifungal compound and its salt. The substituting radical may be in any position of heterocycle, and the compound may be single or multiple substituted. The said compound may form salt with several kinds of organic and inorganic acid. The present invention exhibits very powerful antifungal activity and may be used in preparing antifungal medicine.

The invention pertains to the technical field of medicaments, more particularly relates to a (sulfur) urea derivative with substituted semicarbazone thiochromanones and provides a novel and efficient antifungal agent. The structural formula of the derivative is shown as the Formula I. The invention also relates to a chemically acceptable compound of the derivative and a medicament combination taking the compound as an active ingredient. As a novel antifungal agent, the compound has relatively strong effect of killing pathomycete commonly seen clinically and is expected to overcome the defects that azoles antifungal medicaments widely used in clinical treatment has serious toxic side effect and is easy to generate medicament resistance, and the like. The compound is prepared by the condensation of substitutable thiochromanones and substitutable semicarbazone (sulfur) in an organic solvent.

The present invention provides a novel dominant selectable marker system in yeast that is based on an aminoglycoside, nourseothricin (NST). This compound possesses a powerful antifungal activity against Candida albicans and S. cerevisiae. The invention provides a cognate drug resistance marker for use in gene transformation and disruption experimentation in Candida albicans and Saccharomyces cerevisiae. In particular, the invention presents: 1) direct utility for gene manipulations in both clinically and experimentally relevant strains regardless of genotype and without affecting growth rate, or hyphal formation; and 2) applicability to antifungal drug discovery, including target validation and various forms of drug screening assays.

The invention relates to the technical field of medicaments, in particular to novel application of kaempferol as a synergist of anti-fungal medicaments. The anti-fungal medicaments are azole-type or polyene-type anti-fungal medicaments and based on the effective concentration of the anti-fungal medicaments, the adding ratio of the kaempferol is 0.5 to 16 mu g/ml. Tests show that when the kaempferol and the anti-fungal medicaments such as fluconazole, ketoconazole, miconazole and amphotericin B are used together, not only the anti-fungal effect is guaranteed on the premise of lowering the consumption of the anti-fungal medicaments, but also the anti-fungal medicaments can restore the function of killing the drug-resistant fungi, so that the kaempferol can be used as a synergist of the anti-fungal medicaments. The kaempferol used as the synergist of the anti-fungal medicaments can lower the consumption of the azole-type or polyene-type anti-fungal medicaments so as to reduce the toxic and side effects of the medicaments; and the kaempferol can make the anti-fungal medicaments restore the function of killing the drug-resistant fungi, so that the kaempferol can effectively treat mycotic infection, particularly drug-resistant t mycotic infection, and has quite important clinical application values.

A method of reducing antifungal drug resistance in which Hsp inhibitors, such as Hsp90 inhibitors, are used.

The invention relates to a triazole alcohol derivative, a preparation method and application thereof. The triazole alcohol derivative is a 2-(2, 4-difluorophenyl)-3-(1-substituted-1H-1, 2, 3-triazole-4-yl)-1-(1H-1, 2, 4-triazole-1yl)-2-propanol compound. The invention also provides a salt of the compound, a pharmaceutical composition, a preparation method and application thereof. The compound provided by the invention has strong antifungal activity, and has the advantages of low toxicity, broad antibacterial spectrum and the like, and can be used for preparation of antifungal drugs.

The invention relates to isopimarane diterpenoid compounds separated from fermentation products of Xylariasp.YM311647 and an application thereof, belonging to the technical field of microbes. The production strain YM311647 is collected in China Center for Type Culture Collection (CCTCC) on September 19, 2012, and the collection number is CCTCC No: M2012365. Three isopimarane diterpenoid compounds A, B and C are obtained by conventional fermentation, extraction and separation of the strain YM311647. Antifungal activity tests prove that the compounds have obvious antifungal activity and potential applications in preparation of new agricultural or medical antifungal medicaments.

The invention provides an antifungal medicament solid dispersion, and in particular relates to a posaconazole solid dispersion dispersed in a polymer skeleton. The polymer skeleton comprises two polymers, a first polymer can realize uniform dispersion or molecular dispersion of posaconazole in the polymer skeleton, and a second polymer can construct a microenvironment for improving the dissolution rate of posaconazole in an aqueous environment. Further, the polymer skeleton preferably comprises Soluplus and EudragitE100 in the weight ratio of 1:1.5-4. The posaconazole solid dispersion provided by the invention has good stability, good solubility in the gastrointestinal tract, and high bioavailability.

The invention pertains to the pharmaceutical chemistry field, disclosing sesquiterpenoids extracted from chloranthus family, combination, extraction method and application to preparation of antifungal drugs thereof. The invention also discloses an extractive of chloranthus family that has antifungal activity. The structure formula of sesquiterpenoids disclosed in the invention shows as formula I. The sesquiterpenoids, the combinations thereof and the extractive of the chloranthus family of the invention have antifungal activity.

The present invention belongs to the field of medicine synthesis technology, and is especially 1- (3-indolyl)- 6, 7-methylene dioxy-1, 2, 3, 4-tetrahydro isoquinoine compounds and analogs in the general expression as shown and with substituted hydroxyl radical or acyl radical in the 2nd position, and their preparation process and medical application. Initial pharmacodynamic research of extracorporeal rice blast mold resisting experiment and extracorporeal antitumor experiment shows that these compounds has excellent activity, so that they may be developed into antifungal medicine and antitumor medicine.

The invention provides an antifungal drug composition for external use, and a preparation method of an external preparation, and application of the composition in treating superficial fungal infections, such as tinea manus and pedis, tinea corporis, tinea cruris, tinea unguium, tinea versicolor and oidiomycosis cutis. The drug composition contains terbinafine or pharmaceutical salt thereof, sertaconazole or pharmaceutical salt thereof, and any one or multiple pharmaceutically acceptable excipient. An experimental study shows that the terbinafine or pharmaceutical salt thereof and the sertaconazole or pharmaceutical salt thereof have obvious synergistic effect when the proportion thereof in the drug composition for treating the superficial fungal infections is (1: 10) to (5: 1)(w/w). The antifungal drug composition for treating the superficial fungal infections has the advantages of being good in security, excellent in curative effect, short in treatment course, high in curing rate, low in relapse rate and the like.

The invention relates to the technical field of medicine, and provides substituted tricyclo-quinone compounds and pharmaceutically acceptable salts thereof. The structural general formula of the substituted aromatic tetracyclic compounds is disclosed in the specification. The invention also provides a preparation method of the compounds and application of the compounds in preparation of antifungal drugs.

The invention is a sulfur/nitrogen-containing azole antifungal compound as well as a preparation method and an application of the sulfur/nitrogen-containing azole antifungal compound, relates to the technical field of medicine. The sulfur/nitrogen-containing azole antifungal compound is a novel azole antifungal compound and has a chemical structural formula which is shown in the specification, wherein, R1 is hydrogen or a straight-chain or branched-chain saturated or unsaturated lower alkyl having 1-6 carbon atoms; R2 is selected from hydrogen, alkyl, halogen, cyano group, a nitro group, an amino and an alkoxy, can be located at the ortho, meta or para position of the benzene ring and can be monosubstituted or polysubstituted. The invention also provides a preparation method and an application of the compound. The compound disclosed by the invention has strong antifungal activity on the deep fungal, has the advantages of high efficiency, low toxicity, broad anti-fungal spectrum and the like compared with the current clinically applied antifungal drugs, and therefore, the compound can be used for the preparation of efficient antifungal agents.