摘要:
Provided herein are novel salts of raltegravir, viz., meglumine salt, erbumine salt, ammonium salt, tris salt and L-arginine salt of raltegravir and processes for their preparation.
摘要:
The invention relates to compounds of Formula (I) and their pharmaceutically acceptable salts, wherein the substituents are as described herein, and their use in medicine for the treatment of diseases, disorders associated with the modulation of calcium release-activated calcium (CRAC) channel. The invention also relates to pharmaceutical compositions containing such compounds in treating diseases disorders associated with calcium release-activated calcium (CRAC) channel modulators. wherein, ring D is Formula (a) or Formula (b): A and B, which may be same or different, are independently CR3 or N; Y is CR3 or N; L is selected from —NR2C(O)—, —C(O)NR2— and —NR2CRaRb—; Ra and Rb are independently hydrogen, halogen or substituted or unsubstituted alkyl; ring E is selected from the Formula (i) to (vii).
摘要翻译:本发明涉及式(I)化合物及其药学上可接受的盐,其中取代基如本文所述,及其在药物中的用途,用于治疗与调节钙释放激活的钙(CRAC)通道相关的疾病,病症 。 本发明还涉及含有这些化合物在治疗与钙释放激活的钙(CRAC)通道调节剂相关的疾病障碍中的药物组合物。 其中环D为式(a)或式(b):A和B可以相同或不同,独立地为CR 3或N; Y是CR3或N; L选自-NR 2 C(O) - , - C(O)NR 2 - 和-NR 2 CR a R b - ; R a和R b独立地是氢,卤素或取代或未取代的烷基; 环E选自式(i)至(vii)。
摘要:
The present invention is related to a novel process for the preparation of ulipristal (I) that comprises reaction of 17-α-ethynyl-17-β-hydroxy-11-β-(4-N,N-dimethylamino phenyl)- 9-norpregna-4,9-diene-3-one (III) with phenyl sulphenyl chloride (IVa) or p-nitro phenyl sulphenyl chloride (Nb) in the presence of organic base and solvent to give sulfoxide (Va) or (Vb) respectively. Sulfoxides (Va) or (Vb) are reacted with alkali metal alkoxide in alcoholic solvent followed by treatment with aqueous acid. The present invention also relates to novel intermediate 11-β-(4-N,N-dimethylaminophenyl)-21(p- nitro-phenyl-sulphinyl)-19-norpregna-4(5), 9(10), 17(20) 20-tetraene, 3-one (Vb).
摘要:
The present invention relates to compounds described herein Formula (I) and pharmaceutical acceptable salts thereof, which modulate the activity of calcium release-activated calcium (CRAC) channel. The invention also describes the compounds of Formula (I) and pharmaceutical compositions containing such compounds thereof for treating, managing, and/or lessening the severity of diseases, disorders, syndromes or conditions associated with the modulation of calcium release-activated calcium (CRAC) channel.
摘要:
The present invention relates to a novel process for preparation of rufinamide (I) comprising: reacting 2,6-difluorobenzyl azide (II) and propiolic acid (III) in a mixture of alcohol and water to produce 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylic acid (IV), esterifying the acid (IV) to ester (V) and treating ester (V) with ammonia. The invention further relates to process for purification of 1-(2,6-difluorobenzyl)-1H-1,2,3-triazole-4-carboxylic acid (IV), by crystallization from a mixture of alcohol and water. The present invention also provides process for purification of rufinamide (I) by crystallization from mixture of polar aprotic solvent with water or alcohol.
摘要:
The present invention provides a novel process for preparation of darunavir that involves reduction of [(1S,2R)-3-[[(4-nitrophenyl)sulfonyl](2-methylpropyl)amino]-2-hydroxy-1-(phenylmethyl)propyl]carbamic acid (3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ester, of formula (5). The present invention also provides darunavir ethanolate of particle size wherein d0.9 is less than 130 μm, d0.5 is less than 30 μm, d0.1 is less than 10 μm and process for its preparation.
摘要:
A process for preparation of ceftiofur sodium of formula (Ib) 1 possessing high stability and having purity of more than 97% and substantially free of impurities, is disclosed. The process comprises:i) reacting cefotaxime or its salts or its esters of formula (VI) 2 nullwherein R3 is hydrogen, an alkali or alkaline earth metal, or an easily hydrolysable ester, with thiofuroic acid, employed in a molar proportion of 1.5 to 3.0 moles per mole of compound (VI), in the presence of acetonitrile as solvent and in the presence of large excess of methanesulfonic acid, employed in molar proportions of 12 to 18 moles per mole of compound (VI), and at a temperature of between null5null C. to 30null C. to give after necessary neutralisation of the alkali or alkaline earth metal or removal of the ester group of the 4-carboxylic acid function, wherever applicable, ceftiofur of formula (Ia), possessing high stability and having purity of more than 97% and substantially free of impurities; 3 ii) converting the ceftiofur of formula (Ia) thus obtained to its salt with an organic amine by treating a solution of ceftiofur in a mixture of water and a water-miscible organic solvent with an organic amine, at a temperature ranging from null10null C. to 10null C.; iii) reacting of the amine salt thus obtained with a sodium metal carrier in a mixture of water and water-miscible organic solvent and in presence of sodium hydrogen sulfite to give ceftiofur sodium of formula (Ib)
摘要:
Provided herein are new devices for indicating the status of events, such as the number of relevant events that are remaining and/or that have already occurred up to the present moment and to related devices, systems, and methods. In some aspects, the event-related indicator devices of the invention are used within larger dispensing devices or systems, e.g., to provide the status of administration of a substance contained therein (e.g., a drug). In an exemplary embodiment, the indicator devices find particular utility within medicament dispensers, such as metered dose inhalers, to provide a visual indication of the status of doses having been or remaining to be administered.
摘要:
The present invention relates to a process for purifying a protein of interest in a batch, integrated continuous or pseudo-continuous mode. Accordingly, the present invention relates to a process for purifying monoclonal antibodies, specifically IgG. in a batch, integrated continuous or pseudo-continuous mode. The process can be executed in batch, continuous, integrated continuous or pseudo-continuous modes.
摘要:
The present invention provides a method of treating ocular disorders by administering a suitable amount of VEGF inhibitors in a patient in need thereof, wherein the suitable amount of VEGF inhibitor is determined with respect to the body weight of the patient. Further, present invention also provides a method of treating ocular disorders by administering a personalized dose of a suitable amount of VEGF inhibitors intravitreally, wherein the dose is decided based on the body weight of the said patient at any given point in time.