Abstract:
Provided are deglycosylation methods designed to optimize the yield of Veratrum alkaloid from Veratrum plant material and/or from an extract of Veratrum plant material.
Abstract:
The present invention provides the use of pelorol analogs of Formula, ( I ) and pharmaceutical compositions thereof as modulators of SHIP 1 activity. A compound or a pharmaceutical composition of the present invention may be used for the treatment or prophylaxis of an inflammatory, neoplastic, hematopoetic or immune disorder or condition in addition to other disorders and conditions.
Abstract:
Provided herein is a compound of Formula (I-I) or a pharmaceutically acceptable salt thereof, wherein t, R 7 , R 3 , R 9 , R 6a , R 6b , R 11a , R 11b , R 15a , R 15b , R 16a , R 16b , R 17a , R 17b , R 18a , R 18b , R 19a , R 19b , R 5a , R 5b , R 8 and R 13 are defined herein. Also provided herein are pharmaceutical compositions comprising a compound of Formula (I-I) and methods of using the compounds, e.g., in the treatment of CNS-related disorders.
Abstract:
La présente invention se rapporte au domaine de la chimie et plus particulièrement à celui de la chimie organique. Elle a spécifiquement pour objet de nouveaux A-nor stéroïdes répondant à la formule générale (I) dans laquelle R est de l'hydrogène, un radical alcoyle inférieur ayant de 1 à 7 atomes de carbone, un radical cycloalcoyle inférieur ayant de 3 à 7 atomes de carbone, un radical aryle ayant de 5 à 10 atomes de carbone, un radical arylalcoyle où le groupe alcoyle a de 1 à 6 atomes de carbone, ou un radical acyle dérivé d'un acide aliphatique carboxylique, d'un acide cycloalcoylcarboxylique ou d'un acide arylcarboxylique. L'invention a encore pour objet les compositions pharmaceutiques renfermant, à titre de principe actif , au moins un composé de la formule générale (I) en association ou en mélange avec une excipient ou un véhicule approprié. Les compositions pharmaceutiques selon l'invention peuvent en outre contenir un autre principe actif d'action similaire ou synergique. Utilisation des composés de formule générale (I) comme médicaments pour favoriser la fixation du calcium parles ostéoblastes.
Abstract:
Provided herein are inhibitors of CYP11B, CYP17, and/or CYP21 enzymes of Formula (Z), (IX), (X), (XI), (XII), (XIII), (XIV), (XV), (XVI), or (XVII). Also described herein are pharmaceutical compositions that include at least one compound described herein and the use of a compound or pharmaceutical composition described herein to treat androgen-dependent diseases, disorders and conditions. Formula (Z)
Abstract:
Novel 3β-hydroxy-Δ 5 -steroid analogs possessing a contracted cyclopentane B-ring provide good inhibitory activity against M ycobacterium tuberculosis . The 5(6→7)abeo-sterol nucleus present in compounds of the invention represents a novel scaffold for the development of new antitubercular agents.
Abstract:
As illustrated herein, cholesterol is oxidized when it is present in atherosclerotic plaques. This reaction generates cytotoxic cholesterol oxidation or ozonation products. The present application is directed to the products of cholesterol ozonation, binding entities directed against such products, and methods of using such binding entities and cytotoxins to treat a variety of diseases.