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Tetracyclo naphthacene configured ring system having at least one double bond between ring members and having oxygen bonded directly to a carbon of an interior ring which carbon is a member of one ring only

Subclass of:

552 - Organic compounds -- part of the class 532-570 series

552000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
552200000 Tetracyclo naphthacene configured ring system having at least one double bond between ring members and having oxygen bonded directly to a carbon of an interior ring which carbon is a member of one ring only 16
552202000 At least six oxygens bonded directly to the tetracyclo ring system 16
20100286417Crystalline Minocycline Base and Processes for its Preparation - The invention provides crystalline minocycline base. In particular, three crystalline polymorphic forms, designated Form I, Form II and Form III, of minocycline base are provided. These are characterised by XRD and IR data. Processes for preparing the new polymorphic forms are also provided. For example, Form I is prepared by dissolving and/or suspending amorphous minocycline base in an organic solvent chosen from ethers followed by crystallisation from the mixture.11-11-2010
552203000 Nitrogen and carbonyl or cyano bonded directly to the tetracyclo ring system (e.g., tetracycline, etc.) 15
20090131696Reducing Tetracycline Resistance in Living Cells - The present invention provides an improved methodology by which therapeutically to overcome resistance to tetracycline in living cells including bacteria, parasites, fungi, and rickettsiae. The methodology employs a blocking agent such as C5 ester derivatives, or 6-deoxy 13-(substituted mercapto) derivatives of tetracycline, in combination with other tetracycline-type antibiotics as a synergistic combination of compositions to be administered simultaneously, sequentially or concurrently. In another embodiment, certain novel compositions are provided which may be administered alone against, for example, a sensitive or resistant strain of gram positive bacteria such as 05-21-2009
201102079517-Iodo Tetracyclines and Related Methods - 7-substituted fused ring tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-substituted fused ring tetracycline compounds are described.08-25-2011
552204000 Carbon double bonded directly to the tetracyclo ring system (e.g., 6 methylene tetracycline, etc.) 2
20090156842Methods for synthesizing substituted tetracycline compounds - Methods of synthesizing substituted tetracycline compounds are provided.06-18-2009
201102574217-N-Substituted Phenyl Tetracycline Compounds - 7-substituted tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-substituted tetracycline compounds are described.10-20-2011
552205000 Plural nitrogens bonded directly to the tetracyclo ring system 9
20080234504Processes for preparation of 9-haloacetamidominocyclines - The present invention provides substantially pure intermediates, 9-haloacetomidominocyclines, and process of preparing them that are useful for the preparation of glycylcyclines, specifically Tigecycline.09-25-2008
20090099376TIGECYCLINE AND METHODS OF PREPARING INTERMEDIATES - Methods of preparing and purifying 9-nitrominocycline and 9-aminominocycline and salts thereof used in the process of making tigecycline, are disclosed. In one embodiment, the invention is directed to a method of preparing the compound of formula 104-16-2009
20090275766PROCESS FOR THE PREPARATION OF TIGECYCLINE IN THE AMORPHOUS FORM - The invention relates to processes for the preparation of tigecycline (I):11-05-2009
20110105772CRYSTALLINE FORMS OF TIGECYCLINE HYDROCHLORIDE - The present invention relates to crystalline forms A and B of Tigecycline hydrochloride and to methods for the preparation of the same. Furthermore the present invention relates to the use of crystalline forms A and B of Tigecycline hydrochloride as intermediates for the formulation of an anti-infective medicament. Moreover the present invention relates to pharmaceutical compositions comprising crystalline form A of Tigecycline hydrochloride in an effective amount and to the use of crystalline form A of Tigecycline hydrochloride as anti-infective medicament.05-05-2011
20110112316TIGECYCLINE CRYSTALLINE FORMS AND PROCESSES FOR PREPARATION THEREOF - The present invention relates to solid crystalline Tigecycline, and crystalline forms thereof.05-12-2011
20110124893ANTIBIOTIC COMPOUNDS - The present invention relates to the new crystalline solid form XI of Tigecycline and a process of preparing the same. Form XI of Tigecycline is particularly suitable for the isolation of Tigecycline in the last step of the synthesis of Tigecycline. Further the present invention relates to a process of preparing amorphous Tigecycline by spray drying form XI or another crystalline form of Tigecycline.05-26-2011
20130030195Crystalline Minocycline Base and Processes for its Preparation - The invention provides crystalline minocycline base. In particular, three crystalline polymorphic forms, designated Form I, Form II and Form III, of minocycline base are provided. These are characterised by XRD and IR data. Processes for preparing the new polymorphic forms are also provided. For example, Form I is prepared by dissolving and/or suspending amorphous minocycline base in an organic solvent chosen from ethers followed by crystallisation from the mixture.01-31-2013
20140005420Salts and Polymorphs of a Tetracycline Compound01-02-2014
20140107357TIGECYCLINE CRYSTALLINE HYDRATE AND PREPARATION METHOD THEREFOR AND USE THEREOF - Provided are a Tigecycline crystalline hydrate, and a preparation method therefor and use thereof. The crystalline hydrate has high stability for storage, and is used for the manufacture of a medicament for treating or preventing the infection of respiratory system, hepatobiliary system, facial features, urogenital system, bone and joint, skin and soft tissue and endocarditis, septicemia, meningitis caused by susceptible strains of Gram-positive or Gram-negative bacteria, anaerobic bacteria, chlamydia, and mycoplasma in human or animal.04-17-2014
552206000 Processes 2
552207000 Heavy metal or aluminum containing material utilized 2
201001606567-PHENYL-SUBSTITUTED TETRACYCLINE COMPOUNDS - 7-phenyl-substituted tetracycline compounds which are substantially free of positional isomers, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-phenyl-substituted tetracycline compounds are described. 7-substituted tetracycline compounds which are substantially free of positional isomers, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-substituted tetracycline compounds are described.06-24-2010
201100823057-Phenyl-Substituted Tetracycline Compounds - 7-phenyl-substituted tetracycline compounds, methods of treating tetracycline responsive states, and pharmaceutical compositions containing the 7-phenyl-substituted tetracycline compounds are described.04-07-2011

Patent applications in all subclasses Tetracyclo naphthacene configured ring system having at least one double bond between ring members and having oxygen bonded directly to a carbon of an interior ring which carbon is a member of one ring only

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