摘要:
The present invention relates to improved methods for the production, isolation and purification of epothilone B. These methods include, for example, a fermentation process for the production of epothilone B, isolation via adsorption onto a resin, and subsequent purification.
摘要:
The present invention relates to crystalline forms containing [1S-(1α,3α,4β)]-2-amino-1,9-dihydro-9-[4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one represented by formula I; processes for the production thereof; pharmaceutical compositions thereof; methods for preparing the pharmaceutical composition; and the use of these crystalline forms in the treatment of hepatitis B viral infections.
摘要:
The present invention relates to physical crystal structures of a compound of the formula I: wherein R1, R2, R2a, R3 and R4 are as defined herein, especially pharmaceutical compositions containing structures of compound I or II, processes for preparing same, intermediates used in preparing same, and methods of treating diseases such as diabetes using such structures.
摘要:
A process is provided for preparing novel crystalline forms, namely selectively and consistently preparing the H2-1 dihydrate crystalline form, the H2-2 dihydrate crystalline form, the N-3 anhydrate crystalline form and the MTBE solvate crystalline form of the IKur compound (2S)-1-[[(7R)-7-(3,4-dichlorophenyl)-4,7-dihydro-5-methylpyrazolo[1,5]pyrimidine-6-yl]carbonyl]-2-(4-fluorophenyl)pyrrolidine. The process includes preparation of the H2-1 and H2-2 forms which are used in preparing the N-3 anhydrate form which is particularly stable and has suitable flow properties and desired particle size. Novel H2-1 dihydrate and H2-2 dihydrate forms, the N-3 anhydrate form and the MTBE solvate form of the above IKur compound, pharmaceutical compositions containing such novel forms and a method for preventing or treating arrhythmias including atrial fibrillation and IKur related conditions employing such novel forms are also provided.
摘要:
There are provided in accordance with the present invention two crystalline polymorphs, designated Form A and Form B, respectively, as well as mixtures thereof, of an epothilone analog represented by the formula Also provided are methods of forming the novel polymorphs, therapeutic methods utilizing them and pharmaceutical dosage forms containing them.
摘要:
The present invention provides a process for preparing pyrrolotriazine compounds of formula (I) or a pharmaceutically acceptable salt thereof. Also provided are crystalline forms of the pyrrolotriazine compound [4-[[1-(3-fluorophenyl)methyl]-1H-indazol-5-ylamino]-5-methyl-pyrrolo[2, 1-f][1,2,4]triazin-6-yl]-carbamic acid, (3S)-3-morpholinylmethyl ester and pharmaceutical compositions comprising at least one crystalline form, as well of methods of using the crystalline forms in the treatment of a proliferative disease, and methods for obtaining such crystalline forms. The compounds of formula (I), including [4-[[1-(3-fluorophenyl)methyl]-1H-indazol-5-ylamino]-5-methyl-pyrrolo[2,1-f][1,2,4]triazin-6-yl]-carbamic acid, (3S)-3-morpholinylmethyl ester, are useful for inhibiting tyrosine kinase activity of growth factor receptors such as HER1, HER2 and HER4 thereby making them useful as antiproliferative agents for the treatment of cancer and other diseases.
摘要:
A process is provided for preparing the HIV protease inhibitor atazanavir bisulfate wherein a solution of atazanavir free base is reacted with concentrated sulfuric acid in an amount to react with less than about 15% by weight of the free base, seeds of Form A crystals of atazanavir bisulfate are added to the reaction mixture, and as crystals of the bisulfate form, additional concentrated sulfuric acid is added in multiple stages at increasing rates according to a cubic equation, to effect formation of Form A crystals of atazanavir bisulfate. A process is also provided for preparing atazanavir bisulfate as Pattern C material. A novel form of atazanavir bisulfate is also provided which is Form E3 which is a highly crystalline triethanolate solvate of the bisulfate salt from ethanol.
摘要:
The invention provides crystalline forms of 6-[(5S,9R)-9-(4-cyanophenyl)-3-(3,5-dichlorophenyl)-1-methyl-2,4-dioxo-1,3,7-triazaspiro[4.4]non-7-yl]nicotinic acid, its pharmaceutically acceptable salts, or solvates, thereof Further, a process is provided for preparing substituted spiro-hydantoin compounds of the formula I wherein Z is N or CR4b; K and L are independently O or S; Ar is an optionally substituted aryl or heteroaryl; A1, A2, G, and Q are linkers; and R2, R4a, R4c, and R16 are defined in the specification. The process includes the reaction of N-substituted glycine compound and methylene precursor compound with an alkene compound. The substituted spiro-hydantoin compounds of formulae I and II are useful in the treatment of immune and/or inflammatory diseases.
摘要:
Method for the production of C-aryl glucoside SGLT2 inhibitors useful for the treatment of diabetes and related diseases. and intermediates thereof. The C-aryl glucosides may be complexed with amino acid complex forming reagents.
摘要:
A process is provided for preparing spiro-hydantoin compounds of the formula II wherein Z is N or CR4b; K and L are independently O or S; Ar is an optionally substituted aryl or heteroaryl; A2 is a linker, G′ is a linker; Q is a linker; and R2, R4a, R4c, and Rh are defined in the specification. The process optionally includes the enantiomeric separation of intermediates to allow preparation of enantiomers of the spiro-hydantoin compounds of formula II. Substituted spiro-hydantoin compounds may be prepared from the spiro-hydantoin compounds of formula II. The spiro-hydantoin compound of formula II and the substituted spiro-hydantoin compounds are useful in the treatment of immune or inflammatory diseases. Also, provided are products made by the instant inventive process and crystalline forms (prepared by any process) of the substituted spiro-hydantoin compound, 5-[(5S, 9R)-9-(4-Cyanophenyl)-3-(3,5-dichlorophenyl)-1-methyl-2,4-dioxo-1,3,7-triazaspiro[4.4]non-7-ylmethyl]-thiophene-3-carboxylic acid, including solvates and salts thereof, as well as methods of use thereof. Crystalline forms of certain intermediates are provided.