摘要:
Described herein are neuroactive steroids of the Formula (I): or a pharmaceutically acceptable salt thereof; wherein , A, R1, R2, and R3 are as defined herein. Such compounds are envisioned, in certain embodiments, to behave as GABA modulators. The present invention also provides pharmaceutical compositions comprising a compound of the present invention and methods of use, e.g., for treating a subject suffering from a disease or disorder described herein.
摘要:
A process ethynylates 16-methylene-17-keto steroids to the corresponding 16-methylene-17α-ethynyl-17β-hydroxy steroids by treatment with silyl-protected lithium acetylides followed by further desilylation. The resulting products are useful intermediates in the preparation of several pharmaceutically active agents, such as e.g. Nestorone® or melengestrol acetate.
摘要:
A process ethynylates 16-methylene-17-keto steroids to the corresponding 16-methylene-17α-ethynyl-17β-hydroxy steroids by treatment with silyl-protected lithium acetylides followed by further desilylation. The resulting products are useful intermediates in the preparation of several pharmaceutically active agents, such as e.g. Nestorone® or melengestrol acetate.
摘要:
The invention is directed to a method to reduce a C—C double bond of an enone of a steroidal compound to produce a mixture of β ketone product and α ketone product, comprising treating a solution or suspension of the steroidal compound in a solvent with hydrogen gas in the presence of a catalyst and a substituted pyridine.
摘要:
The present invention further provides method of preparing nanocrystals of a hydrophobic therapeutic agent such as fluticasone, pharmaceutical compositions (e.g., topical or intranasal compositions) thereof and methods for treating and/or preventing the signs and/or symptoms of disorders such as blepharitis, meibomian gland dysfunction or skin inflammation or a respiratory disease (e.g., asthma).
摘要:
Derivatives of prednisolone of the formula ##STR1## wherein CR.sub.1 is C.dbd.O, .alpha.-HCOH, .beta.-HCOH, or a mixture of .alpha.-HCOH and .beta.-HCOH CR.sub.2 is HC(OH) OR.sub.6 or HCO when CR.sub.1 is C.dbd.O;CR.sub.2 is COOR.sub.3 or CONHR.sub.4 when CR.sub.1 is .alpha.-HCOH, .beta.-HCOH, or a mixture of .alpha.-HCOH and .beta.-HCOH:R.sub.3 is alkyl of 1-5 carbon atoms;R.sub.4 is alkyl of 1-5 carbon atoms, benzyl, or phenethyl;R.sub.5 is hydrogen, acetyl, or benzoyl;R.sub.6 is alkyl of 1-5 carbon atoms;R.sub.7 is .alpha.- or .beta.-position of hydrogen, hydroxyl, methyl, acetate esters of 1-5 carbon atoms, or alkoxy of 1-5 carbon atoms; andX and Y are hydrogen, halogen or methyl;and process for preparing these compounds. The compounds are useful as anti-inflammatory agents which have reduced side effects.
摘要:
Described herein are steroids of Formula (I): and pharmaceutically acceptable salts thereof; wherein R1, R2a, R2b, R3, R4, R5a, R5b, R6, and Z are as defined herein. Such compounds are contemplated useful for the prevention and treatment of a variety of CNS-related conditions, for example, treatment of sleep disorders, mood disorders, schizophrenia spectrum disorders, convulsive disorders, disorders of memory and/or cognition, movement disorders, personality disorders, autism spectrum disorders, pain, traumatic brain injury, vascular diseases, substance abuse disorders and/or withdrawal syndromes, and tinnitus.
摘要:
The present invention further provides method of preparing nanocrystals of a hydrophobic therapeutic agent such as fluticasone or triamcinolone, pharmaceutical compositions (e.g., topical or intranasal compositions) thereof and methods for treating and/or preventing the signs and/or symptoms of disorders such as blepharitis, meibomian gland dysfunction or skin inflammation or a respiratory disease (e.g., asthma).
摘要:
Compositions are described for direct protein delivery into multiple cell types in the mammalian inner ear. The compositions are used to deliver protein(s) (such as gene editing factors) editing of genetic mutations associated with deafness or associated disorders thereof. The delivery of genome editing proteins for gene editing and correction of genetic mutations protect or restore hearing from genetic deafness. Methods of treatment include the intracellular delivery of these molecules to a specific therapeutic target.