Abstract:
The present invention provides novel intermediates of tadalafil and processes for their preparation. The present invention also provides for the preparation of tadalafil or a pharmaceutically acceptable salt or solvate thereof using the intermediates.
Abstract:
The present invention provides novel crystalline forms of a.lfuzosin and alfuzosin hydrochloride and processes for their preparation. Also provided are pharmaceutical compositions containing the new crystalline forms.
Abstract:
Novel salts of rosuvastatin and processes for their preparation are disclosed. Pharmaceutical compositions comprising a therapeutically effective amount of one or more salts of rosuvastatin selected from the group consisting of a barium salt, strontium salt, zinc salt, cesium salt, cadmium salt and mixtures thereof are also disclosed.
Abstract:
A substantially pure dextrorotatory isomer of zopiclone or a pharmaceutically acceptable salt thereof and crystalline forms thereof are provided. Also provided is a process for its preparation and pharmaceutical compositions containing same.
Abstract:
Novel salts of rosuvastatin and processes for their preparation are disclosed. Pharmaceutical compositions comprising a therapeutically effective amount of one or more salts of rosuvastatin selected from the group consisting of a barium salt, strontium salt, zinc salt, cesium salt, cadmium salt and mixtures thereof are also disclosed.
Abstract:
The present invention provides a process for the preparation of the rosuvastatin intermediates and their conversion to rosuvastatin or its pharmaceutically acceptable salts thereof.
Abstract:
A compound N-[l-(S)-ethoxycarbonyl-l-butyl]-(S)-alanine-DMT complex of Formula (II) is provided. Also provided is a process for the preparation of N-[l-(S)-ethoxycarbonyl-l-butyl]-(S)- alanine-DMT complex and its use in preparing perindopril or a pharmaceutically acceptable salt thereof.
Abstract:
The present invention provides novel Quercetin derivatives of formula (I) and pharmaceutically acceptable salts, hydrates, and solvates thereof, Formula (I): wherein R 1 is hydrogen, benzyl or substituted benzyl; R 2 is hydrogen, benzyl or substituted benzyl, linear or branched (C 1 -C 6 ) alkyl, substituted alkyl, aryl, substituted aryl, heterqcyele,and (Substituted heterocycle, useful for treatment of various disorders including cancer, multi-drug resistant cancers, viral infections etc. The invention also provides a process for the preparation of compounds of formula (I) and pharmaceutical compositions comprising the same.
Abstract translation:本发明提供式(I)的新型槲皮素衍生物及其药学上可接受的盐,水合物和溶剂合物,式(I):其中R 1是氢,苄基或取代的苄基; R 2是氢,苄基或取代的苄基,直链或支链(C 1 -C 6)烷基,取代的烷基,芳基,取代的芳基,异胞核和(取代的杂环,可用于治疗各种疾病,包括癌症,多药耐药性癌症,病毒 感染等。本发明还提供了制备式(I)化合物的方法和包含其的药物组合物。
Abstract:
A substantially pure dextrorotatory isomer of zopiclone or a pharmaceutically acceptable salt thereof and crystalline forms thereof are provided. Also provided is a process for its preparation and pharmaceutical compositions containing same.
Abstract:
The present invention provides micronized particles of substantially pure telmisartan or a pharmaceutically acceptable salt, ester or derivative thereof. Also provided are pharmaceutical compositions containing the micronized particles of substantially pure telmisartan or a pharmaceutically acceptable salt, ester or derivative thereof.