Abstract:
This invention also relates to novel class of diosgenin acetate-Isoxazole and the synthesis of diosgenin acetate-Isoxazole starting from Diosgenin and its relatives with five (5) synthetic routes, acetylation (A), F-ring opening of diosgenin acetate (B), Oxidation of the hydroxyl group on C-26 of E-ring manipulation of diosgenin acetate (C), Formation of oxime (D) and Isoxazole formation on C-26 of E-ring manipulation of diosgenin acetate (E) having potent Antifungal activity against Alternaria alternate fungus.
Abstract:
The present invention encompasses compounds of Formula I: or pharmaceutically acceptable salts or hydrates thereof, which are useful as selective glucocorticoid receptor ligands for treating a variety of autoimmune and inflammatory diseases or conditions. Pharmaceutical compositions and methods of use are also included.
Abstract:
The present invention provides compounds of formula (I) wherein n, p, R 1 , R 2 , X 1 , X 2 , X 3 , X 4 , X 5 , R 3a , R 3b , R 4 , R 5 , R 6 , are as defined in the specification, a process for their preparation, pharmaceutical compositions containing them and their use in therapy.
Abstract:
The invention relates to a method of preparation of a soluble formulation of water-insoluble pentacyclic and tetracyclic terpenoids, wherein the water-insoluble terpenoid having a free carboxylic, hydroxy or amino functional group is derivatized on this functional group with a substituent selected from the group comprising substituents of general formula Xa bound to the hydroxy group of the terpenoid, wherein Xa is -OC-R-COOH, substituents of general formula Xa bound to the amino group of the terpenoid, wherein Xa is -OC-R-COOH, quarternary ammonium substituents of general formula Xb bound to the carboxy group of the terpenoid, wherein Xb is -(CH2)nN+R3Y-, quarternary ammonium substituents of general formula Xc bound to the carboxy group of the terpenoid, wherein Xc je -(CH2)nR+Y-, substituents of general formula Xd bound to the carboxy group of the terpenoid, wherein Xd represents -R-COOH, glycosylic substituents Xe bound by alpha or beta glycosidic bond to the hydroxy group or to the carboxy group of the terpenoid, wherein Xe is selected from the group comprising glucosyl, galactosyl, arabinosyl, rhamnosyl, lactosyl, cellobiosyl, maltosyl and the 2-deoxyanalogues thereof, and subsequently, the prepared derivative is dissolved in the solution containing water, a cyclodextrin and optionally pharmaceutically acceptable auxiliary substances, forming an inclusion derivative with the cyclodextrin. Object of the invention is further a soluble formulation of a pentacyclic or tetracyclic triterpenoid, containing an inclusion complex of the derivatized pentacyclic or tetracyclic terpenoid with a cyclodextrin, and optionally water and pharmaceutically acceptable auxiliary substances and further a pharmaceutical composition containing the soluble formulation.
Abstract:
Disclosed are compounds that exhibit high transport across the intestinal wall of an animal. The compounds may optionally be linked to drugs that are poorly absorbed or poorly transported across the intestinal wall after oral administration to provide for enhanced therapeutic, and optionally prolonged therapeutic, systemic blood concentrations of the drugs upon oral administration of the drug-compound conjugate. Also disclosed are pharmaceutical compositions containing and methods of using such compounds.
Abstract:
The invention provides for treating HBV or HDV infection or inhibiting human sodium taurocholate co-transporting polypeptide (hNTCP) with a polymeric bile acid or salt thereof, and pharmaceutical compositions comprising a polymeric bile acid or salt thereof, and a second HBV or HDV medicament.
Abstract:
The present invention provides compounds of Formula (I), and pharmaceutically acceptable salts, solvates, esters, prodrugs, tautomers, or isomers of said compounds), having the general structure: Formula (I) wherein L, R 1 , R 2 , R 3 , R 4 , R 5 , and R 6 are selected independently of each other and as defined herein. The present invention also provides compounds (and salts, solvates, esters, prodrugs, tautomers, and isomers) of Formulas (H-A), (II-A1 ), (II-A2), (II-A2.1 ), (ll-A-2.2), (ll-A-2.3), (II-A4), (H-B), (H-C), (III), (IV), (V), (Vl), as described herein. Also provided are pharmaceutical compositions, methods of preparing, and methods of using such compounds in the treatment and prophylaxis of a wide range of immune, autoimmune, and inflammatory diseases and conditions.
Abstract translation:本发明提供具有以下通式结构的式(I)化合物及其药学上可接受的盐,溶剂合物,酯,前体药物,互变异构体或异构体:其中L,R1,R2,R3,R4 R 5和R 6彼此独立地选择并如本文所定义。 本发明还提供式(IIa),(Ⅱ-A1),(Ⅱ-A2),(Ⅱ-A2.1),(Ⅱ-A2)的化合物(和盐,溶剂合物,酯,前体药物,互变异构体和异构体) A-2.2),(II-A-2.3),(II-A4),(HB),(HC),(III),(IV),(V),(VI) 还提供了药物组合物,制备方法和使用这些化合物在治疗和预防广泛范围的免疫,自身免疫和炎性疾病和病症中的方法。
Abstract:
The present invention provides compounds of formula (I) wherein n, R 1 , R 2 , X 1 , X 2 , X 3 , X 4, X 5 , R 3a , R 3b , R 4 , R 5 and R 6 are defined in the specification, a process for their preparation, pharmaceutical compositions containing them and their use in therapy.