Abstract:
In one aspect, the invention relates to a process for preparing 6-O-substituted erythromycin derivatives comprising reacting 2'-substituted and optionally 4"-substituted 9-oxime erythromycin derivatives with an alkylating agent in the presence of a palladium catalyst and phosphine. In another aspect, the invention relates to processes for preparing 6-O-substituted erythromycin ketolides using the palladium-catalyzed alkylation reaction.
Abstract:
This invention is directed to: (a) processes for preparing a compound and salts thereof that, inter alia, are useful for inhibiting hepatitis C virus (HCV); (b) intermediates useful for the preparation of the compound and salts; (c) pharmaceutical compositions comprising the compound or salts; and (d) methods of use of such compositions.
Abstract:
Objeto de la presente invención son compuestos novedosos sustituidos de la fórmula 1,en la que A, R1, R2, R3 y R4 se definen como en la descripción. Otro objeto de la presente invención es proporcionar antagonistas de CCR3, más particularmente proporcionar composiciones farmacéuticas que comprenden un vehículo farmacéuticamente aceptable y una cantidad terapéuticamente eficaz de al menos uno de los compuestos de la presente invención o una sal farmacéuticamente aceptable del mismo.
Abstract:
This invention is directed to: (a) processes for preparing a compound and salts thereof that, inter alia, are useful for inhibiting hepatitis C virus (HCV); (b) intermediates useful for the preparation of the compound and salts; (c) pharmaceutical compositions comprising the compound or salts; and (d) methods of use of such compositions.
Abstract:
This invention is directed to: (a) processes for preparing a compound and salts thereof that,, are useful for inhibiting hepatitis C virus (HCV); (b) intermediates useful for the preparation of the compound and salts; (c) pharmaceutical compositions comprising the compound or salts; and (d) methods of use of such compositions.
Abstract:
This invention is directed to: (a) processes for preparing a compound and salts thereof that, inter alia, are useful for inhibiting hepatitis C virus (HCV); (b) intermediates useful for the preparation of the compound and salts; (c) pharmaceutical compositions comprising the compound or salts; and (d) methods of use of such compositions.
Abstract:
In one aspect, the invention relates to a process for preparing 6-O- substituted erythromycin derivatives comprising reacting 2'-substituted and optionally 4"-substituted 9-oxime erythromycin derivatives with an alkylating agent in the presence of a palladium catalyst and phosphine. In another aspect, the invention relates t o processes for preparing 6-O-substituted erythromycin ketolides using the palladium-catalyzed alkylation reaction.
Abstract:
594923 Provided are processes for preparing (E)-N-(4-(3-tert-butyl-5-(2,4-dioxo-3,4-dihydro- pyrimidin-1(2H)-yl)-2-methoxystyryl)phenyl)methanesulfonamide) and salts thereof. The compound and its salts can act as antivirals that inhibit hepatitis C virus (HCV). Also provided are intermediates that can be used in the preparation of the compound and its salts, pharmaceutical compositions comprising them and methods of use of such compositions.
Abstract:
Forma cristalina monohidrato del citrato diácido de (4s)-4-(5-fenil-1,3,4-tiadiazol-2-iloxi)-1-azatriciclo[3.3.1.13,7]decano, composiciones que comprenden dicho compuesto y un proceso para preparar el compuesto.Reivindicación 1: Una forma cristalina monohidrato del citrato diácido de (4s)-4-(5-fenil-1,3,4-tiadiazol-2-iloxi)-1-azatriciclo[3.3.1.13,7]decano, caracterizada porque el (4s)-4-(5-fenil-1,3,4-tiadiazol-2-iloxi)-1-azatriciclo[3.3.1.13,7]decano está representada por la fórmula (1) y en donde el citrato diácido está representado por la fórmula (2).