- AKT INHIBITOR
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The present invention discloses an AKT inhibitor, and specifically relates to a compound represented by formula I or a pharmaceutically acceptable salt thereof. The present invention further provides a preparation method thereof, and the use thereof in prevention and/or treatment of a disease mediated by AKT protein kinase.
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Paragraph 0323-0325
(2021/12/18)
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- BENZODIAZEPINE DERIVATIVES, COMPOSITIONS, AND METHODS FOR TREATING COGNITIVE IMPAIRMENT
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This invention relates to benzodiazepine derivatives, compositions comprising therapeutically effective amounts of those derivatives and methods of using those derivatives or compositions in treating cognitive impairment associated with CNS disorders. It also relates to the use of an α5-containing GABAA receptor agonist (e.g., an α5-containing GABAA receptor positive allosteric modulator) in treating cognitive impairment associated with CNS disorders in a subject in need or at risk thereof, including age-related cognitive impairment, Mild Cognitive Impairment (MCI), amnestic MCI, Age-Associated Memory Impairment, Age Related Cognitive Decline, dementia, Alzheimer's Disease(AD), prodromal AD, PTSD, schizophrenia, bipolar disorder, ALS, cancer-therapy-related cognitive impairment, mental retardation, Parkinson's disease, autism spectrum disorders, fragile X disorder, Rett syndrome, compulsive behavior, and substance addiction. It also relates to the use of an α5-containing GABAA receptor agonist (e.g., an α5-containing GABAA receptor positive allosteric modulator) in treating brain cancers (including brain tumors, e.g., medulloblastomas), and cognitive impairment associated therewith.
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Paragraph 0496
(2020/01/11)
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- BENZODIAZEPINE DERIVATIVES, COMPOSITIONS, AND METHODS FOR TREATING COGNITIVE IMPAIRMENT
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This invention relates to benzodiazepine derivatives, compositions comprising therapeutically effective amounts of those benzodiazepine derivatives and methods of using those derivatives or compositions in treating cognitive impairment associated with central nervous system (CNS) disorders. In particular, it relates to the use of a α5-containing GABAA receptor agonist (e.g., a α5-containing GABAA receptor positive allosteric modulator) as described herein in treating cognitive impairment associated with central nervous system (CNS) disorders in a subject in need or at risk thereof, including, without limitation, subjects having or at risk for age-related cognitive impairment, Mild Cognitive Impairment (MCI), amnestic MCI (aMCI), Age-Associated Memory Impairment (AAMI), Age Related Cognitive Decline (ARCD), dementia, Alzheimer's Disease(AD), prodromal AD, post traumatic stress disorder (PTSD), schizophrenia, bipolar disorder, amyotrophic lateral sclerosis (ALS), cancer-therapy-related cognitive impairment, mental retardation, Parkinson's disease (PD), autism spectrum disorders, fragile X disorder, Rett syndrome, compulsive behavior, and substance addiction. It also relates to the use of a α5-containing GABAA receptor agonist (e.g., a α5-containing GABAA receptor positive allosteric modulator) as described herein in treating brain cancers (including brain tumors, e.g., medulloblastomas), and cognitive impairment associated therewith.
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Paragraph 1442
(2018/07/05)
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- BENZODIAZEPINE DERIVATIVES, COMPOSITIONS, AND METHODS FOR TREATING COGNITIVE IMPAIRMENT
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This invention relates to benzodiazepine derivatives, compositions comprising therapeutically effective amounts of those benzodiazepine derivatives and methods of using those derivatives or compositions in treating cognitive impairment associated with central nervous system (CNS) disorders. In particular, it relates to the use of a α5- containing GABAA receptor agonist (e.g., a α5-containing GABAA receptor positive allosteric modulator) as described herein in treating cognitive impairment associated with central nervous system (CNS) disorders in a subject in need or at risk thereof, including, without limitation, subjects having or at risk for age-related cognitive impairment, Mild Cognitive Impairment (MCI), amnestic MCI (aMCI), Age- Associated Memory Impairment (AAMI), Age Related Cognitive Decline (ARCD), dementia, Alzheimer' s Disease(AD), prodromal AD, post traumatic stress disorder (PTSD), schizophrenia, bipolar disorder, amyotrophic lateral sclerosis (ALS), cancer-therapy-related cognitive impairment, mental retardation, Parkinson' s disease (PD), autism spectrum disorders, fragile X disorder, Rett syndrome, compulsive behavior, and substance addiction.
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Paragraph 0447
(2017/01/02)
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- Design, synthesis and decoration of molecular scaffolds for exploitation in the production of alkaloid-like libraries
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The design, synthesis and decoration of six small molecule libraries is described. Each library was inspired by structures embedded in the framework of specific alkaloid natural products. The development of optimised syntheses of the required molecular scaffolds is described, in which reactions including Pd-catalysed aminoarylation and diplolar cycloadditions have been exploited as key steps. The synthesis of selected exemplar screening compounds is also described. In five cases, libraries were subsequently nominated for production on the basis of the scope and limitations of the validation work, as well as predicted molecular properties. In total, the research has led to the successful synthesis of >2500 novel alkaloid-like compounds for addition to the screening collection (the Joint European Compound Library, JECL) of the European Lead Factory.
- Craven, Philip,Aimon, Anthony,Dow, Mark,Fleury-Bregeot, Nicolas,Guilleux, Rachel,Morgentin, Remy,Roche, Didier,Kalliokoski, Tuomo,Foster, Richard,Marsden, Stephen P.,Nelson, Adam
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supporting information
p. 2629 - 2635
(2015/01/30)
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- A combined solid- and solution-phase approach provides convenient access to analogues of the calcium-dependent lipopeptide antibiotics
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The calcium-dependent lipopeptide antibiotics represent a promising new class of antimicrobials for use in combating drug-resistant bacteria. At present, daptomycin is the only such lipopeptide used clinically and displays potent antimicrobial activity against a number of pathogenic Gram-positive bacteria. Given the increasing need for new antibiotics, practical synthetic access to unnatural analogues of daptomycin and related antimicrobial lipopeptides is of value. We here report an efficient synthetic route combining solid- and solution-phase techniques that allows for the rapid preparation of daptomycin analogues. Using this approach, four such analogues, including two enantiomeric variants, were synthesized and their antimicrobial activities and hydrolytic stabilities evaluated.
- Hart, Peter 'T,Kleijn, Laurens H. J.,De Bruin, Gerjan,Oppedijk, Sabine F.,Kemmink, Johan,Martin, Nathaniel I.
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supporting information
p. 913 - 918
(2014/02/14)
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- Total synthesis of (?)-tirandamycin c utilizing a desymmetrization protocol
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A highly stereoselective total synthesis of (?)-tirandamycin C has been achieved following a desymmetrization protocol developed in our group, Horner-Wadsworth-Emmons olefination, acid-catalyzed ketalization, Still-Gennari (Z)-selective olefination, and D
- Yadav,Dhara, Santu,Hossain, Sk. Samad,Mohapatra, Debendra K.
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p. 9628 - 9633
(2013/01/15)
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- One-pot synthesis of 3-aryltetramic acids
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Tetramic acids substituted in the 3-position by various aryl groups were prepared in one-pot from amino esters and methyl arylacetates, by treatment with potassium tert-butoxide. A tandem process, involving the formation of an amide and a condensation reaction, is likely to occur. N-Unsubstituted tetramic acids were obtained from adducts containing a N-(2,4-dimethoxybenzyl) group.
- Mallinger, Aurelie,Nadal, Brice,Chopin, Nicolas,Le Gall, Thierry
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experimental part
p. 1142 - 1148
(2010/04/29)
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- CYANOISOQUINOLINE COMPOUNDS AND METHODS OF USE THEREOF
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The present invention relates to cyanoisoquinoline compounds suitable for use in treating hypoxia inducible factor-mediated and/or erythropoietin-associated conditions. The cyanoisoquinoline compounds of the invention have the following structure: Formula (I).
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Page/Page column 97
(2008/06/13)
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- Synthesis and structure-activity relationships of 3,5-disubstituted 4,5- dihydro-6H-imidazo[1,5-a][1,4]benzodiazepin-6-ones at diazepam-sensitive and diazepam-insensitive benzodiazepine receptors
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A series of imidazobenzodiazepin-6-ones possessing varying substituents at the 3- and 5-positions were synthesized and evaluated for their affinities at diazepam-sensitive (DS) and diazepam-insensitive (DI) benzodiazepine receptors (BzR) in rat cortical and cerebellar membranes. Replacement of an ester substituent at the 3-position with a carbamate, acetylamino, formylamino, isothiocyanato, 2-oxazolinyl, 2-benzoxazolyl, or p- tolylsulfonyl groups lead to >100-fold reductions in affinity at both DS and DI BzR. Replacement of a methyl group on the nitrogen at the 5-position with propyl, allyl, or phenethyl groups also led to significant reductions in affinity at both BzR isoforms. However, incorporation of a benzyl group yields ligands (11f,h,i and 14a-c) with moderate to high affinities at DS BzR, suggesting the presence of a hydrophobic pocket at the receptor site. Introduction of chlorine at the 7-position enhances ligand affinity at DS BzR while chlorine at the 8-position decreases affinity (IC50: 11f, 9.3 nM; 11h, 2.4 nM 11i, 37.8 nM). In contrast, chlorine substitution at the 7- as well as the 8-position increases affinity at DI BzR (K(i): 11f, 112 nM; 11h, 20.2 nM; 11i, 10.9 nM). Compound 11i is among the few described high affinity DI-site ligands with a selectivity comparable to that of Ro 15-4513. Despite their in vitro affinities, compounds 11f, 11h, and 11i exhibit low in vivo activities that may be attributable to unfavorable metabolic or pharmacokinetic properties.
- Ananthan,Clayton,Ealick,Wong,Evoniuk,Skolnick
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p. 479 - 490
(2007/10/02)
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- Synthesis of a Novel Pyrrolopyrimidine Alkaloid, Rigidin
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An efficient nine-step synthesis of the brain phosphodiesterase inhibitor, rigidin, has been accomplished in 26percent overall yield starting from 6-chlorouracil and ethyl (2,4-dimethoxybenzyl)glycinate.A key feature of the synthetic route reveals a new m
- Edstrom, Eric D.,Wei, Yuan
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p. 403 - 407
(2007/10/02)
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- Synthetic Studies Directed toward the Naturally Occurring Acyl Tetramic Acids. 1. Covergent Total Synthesis of (+/-)-Tirandamycin A
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An efficient convergent synthetic approach to the structurally unusual tetramic acid antibiotic tirandamycin A is described.Among the key features is the use of a rigid substituted cyclohexanone derivative as a vehicle to assure control of the relative st
- Boeckman, Robert K.,Starrett, John E.,Nickell, David G.,Sum, P.-E.
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p. 5549 - 5559
(2007/10/02)
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