cas 978-62-1, IMD-0354 | Articles data

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SALICYLAMIDE DERIVATIVES AND RELATED METHODS OF MAKING
Certain embodiments describe antiviral compounds and related methods of using such compounds.
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Paragraph 0129; 0130; 0136

(2021/07/31)

Structure-Activity Relationship Studies on Diversified Salicylamide Derivatives as Potent Inhibitors of Human Adenovirus Infection
The effective treatment of adenovirus (HAdV) infections in immunocompromised patients still poses great challenges. Herein, we reported our continued efforts to optimize a series of salicylamide derivatives as potent inhibitors of HAdV infection. Of these, nine compounds (11, 13, 14, 17, 20, 58, 60, 62, and 70) showed significantly improved anti-HAdV activities with nanomolar to submicromolar IC50 values and high selectivity indexes (SI > 100), indicating better safety windows, compared to those of the lead compound niclosamide. Our mechanistic assays suggest that compounds 13, 62, and 70 exert their activities in the HAdV entry pathway, while compounds 14 and 60 likely target the HAdV DNA replication, and 11, 17, 20, and 58 inhibit later steps after DNA replication. Given the broad anti-viral activity profile of niclosamide, these derivatives may also offer therapeutic potential for other viral infections.
Xu, Jimin,Berastegui-Cabrera, Judith,Chen, Haiying,Pachón, Jerónimo,Zhou, Jia,Sánchez-Céspedes, Javier
p. 3142 - 3160
(2020/04/09)

Discovery and Structure Relationships of Salicylanilide Derivatives as Potent, Non-acidic P2X1 Receptor Antagonists
Antagonists for the ATP-gated ion channel receptor P2X1 have potential as antithrombotics and for treating hyperactive bladder and inflammation. In this study, salicylanilide derivatives were synthesized based on a screening hit. P2X1 antagonistic potency was assessed in 1321N1 astrocytoma cells stably transfected with the human P2X1 receptor by measuring inhibition of the ATP-induced calcium influx. Structure-activity relationships were analyzed, and selectivity versus other P2X receptor subtypes was assessed. The most potent compounds, N-[3,5-bis(trifluoromethyl)phenyl]-5-chloro-2-hydroxybenzamide (1, IC50 0.0192 μM) and N-[3,5-bis(trifluoromethyl)phenyl]-4-chloro-2-hydroxybenzamide (14, IC50 0.0231 μM), displayed >500-fold selectivity versus P2X2 and P2X3, and 10-fold selectivity versus P2X4 and P2X7 receptors, and inhibited collagen-induced platelet aggregation. They behaved as negative allosteric modulators, and molecular modeling studies suggested an extracellular binding site. Besides selective P2X1 antagonists, compounds with ancillary P2X4 and/or P2X7 receptor inhibition were discovered. These compounds represent the first potent, non-acidic, allosteric P2X1 receptor antagonists reported to date.
Tian, Maoqun,Abdelrahman, Aliaa,Baqi, Younis,Fuentes, Eduardo,Azazna, Djamil,Spanier, Claudia,Densborn, Sabrina,Hinz, Sonja,Schmid, Ralf,Müller, Christa E.
p. 6164 - 6178
(2020/07/10)

SAR optimization studies on modified salicylamides as a potential treatment for acute myeloid leukemia through inhibition of the CREB pathway
Disruption of cyclic adenosine monophosphate response element binding protein (CREB) provides a potential new strategy to address acute leukemia, a disease associated with poor prognosis, and for which conventional treatment options often carry a significant risk of morbidity and mortality. We describe the structure-activity relationships (SAR) for a series of XX-650-23 derived from naphthol AS-E phosphate that disrupts binding and activation of CREB by the CREB-binding protein (CBP). Through the development of this series, we identified several salicylamides that are potent inhibitors of acute leukemia cell viability through inhibition of CREB-CBP interaction. Among them, a biphenyl salicylamide, compound 71, was identified as a potent inhibitor of CREB-CBP interaction with improved physicochemical properties relative to previously described derivatives of naphthol AS-E phosphate.
Chae, Hee-Don,Cox, Nick,Capolicchio, Samanta,Lee, Jae Wook,Horikoshi,Kam, Sharon,Ng, Andrew A.,Edwards, Jeffrey,Butler, Tae-León,Chan, Justin,Lee, Yvonne,Potter, Garrett,Capece, Mark C.,Liu, Corey W.,Wakatsuki, Soichi,Smith, Mark,Sakamoto, Kathleen M.
supporting information
p. 2307 - 2315
(2019/06/27)

2-Hydroxy-N-Phenylbenzamides and their esters inhibit acetylcholinesterase and Butyrylcholinesterase
The development of novel inhibitors of acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) represents a viable approach to alleviate Alzheimer’s disease. Thirty-six halogenated 2-hydroxy-N-phenylbenzamides (salicylanilides) with various substitution patterns and their esters with phosphorus-based acids were synthesized in yields of 72% to 92% and characterized. They were evaluated for in vitro inhibition of AChE from electric eel and BuChE from equine serum using modified Ellman’s spectrophotometric method. The benzamides exhibited a moderate inhibition of AChE with IC50 values in a narrow concentration range from 33.1 to 85.8 μM. IC50 values for BuChE were higher (53.5–228.4 μM). The majority of derivatives inhibit AChE more efficiently than BuChE and are comparable or superior to rivastigmine—an established cholinesterases inhibitor used in the treatment of Alzheimer’s disease. Phosphorus-based esters especially improved the activity against BuChE with 5-chloro-2-{[4-(trifluoromethyl)phenyl]carbamoyl}phenyl diethyl phosphite 5c superiority (IC50 = 2.4 μM). This derivative was also the most selective inhibitor of BuChE. It caused a mixed inhibition of both cholinesterases and acted as a pseudo-irreversible inhibitor. Several structure-activity relationships were identified, e.g., favouring esters and benzamides obtained from 5-halogenosalicylic acids and polyhalogenated anilines. Both 2-hydroxy-N-phenylbenzamides and esters share convenient physicochemical properties for blood-brain-barrier penetration and thus central nervous system delivery.
Krátky, Martin,?těpánková, ?árka,Houngbedji, Neto-Honorius,Vosátka, Rudolf,Vor?áková, Katarína,Vin?ová, Jarmila
(2019/11/20)

Novel salicylanilides from 4,5-dihalogenated salicylic acids: Synthesis, antimicrobial activity and cytotoxicity
Salicylanilides have proved their activity against tuberculosis (TB). One weak electron-withdrawing substituent is favored at the salicylic part, specially Cl or Br atoms at positions 4 or 5. On the other hand, the antimycobacterial activity of salicylanilides is negatively affected when a strong electron-withdrawing substituent ([sbnd]NO2) is present at the same positions. Herein we describe the synthesis and characterization of novel salicylanilides possessing two weak electron-withdrawing groups (halogen atoms) at their salicylic part and compare their antitubercular activity with their monohalogenated analogues. All dihalogenated derivatives proved to possess antitubercular activity at a very narrow micromolar range (MIC?=?1–4?μM), similar with their most active monohalogenated analogues. More importantly, the most active final molecules were further screened against multidrug resistant strains and found to inhibit their growth at the range of 0.5–4?μM.
Paraskevopoulos, Georgios,Monteiro, Sara,Vosátka, Rudolf,Krátky, Martin,Navrátilová, Lucie,Trejtnar, Franti?ek,Stola?íková, Ji?ina,Vin?ová, Jarmila
p. 1524 - 1532
(2017/02/18)

2-HYDROXYARYLAMIDE DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, PREPARATION METHOD THEREOF, AND PHARMACEUTICAL COMPOSITION FOR PREVENTING OR TREATING CANCER CONTAINING SAME AS ACTIVE INGREDIENT
The present invention relates to a 2-hydroxyarylamide derivative or a pharmaceutically acceptable salt thereof, a preparation method thereof, and a pharmaceutical composition for preventing or treating cancer comprising the same as an active ingredient. The 2-hydroxyarylamide derivative prepared by the present invention is excellent in the inhibition of the activity of TMPRSS4 serine protease and the suppression of the infiltration of TMPRSS4-expressed cancer cells, and thus can be useful as a composition for preventing or treating cancer by inhibiting TMPRSS4 over-expressed in cancer cells, particularly, colorectal cancer, lung cancer, breast cancer, prostate cancer, ovarian cancer, pancreatic cancer, or stomach cancer cells.
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Paragraph 0192; 0193

(2014/08/19)

Method of use of pharmaceutical formulations for the treatment of apicomplexan diseases in animals
The present invention is directed to the method of use of effective pharmaceutical formulations for the treatment of diseases caused by apicomplexan parasites, said formulation comprised of a salicylanilide or salicylanilide derivative, disclosed herein,
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Paragraph 0080; 0081; 0087

(2014/01/07)

Structure-activity relationships of antitubercular salicylanilides consistent with disruption of the proton gradient via proton shuttling
A series of salicylanilides was synthesized based on a high-throughput screening hit against Mycobacterium tuberculosis. A free phenolic hydroxyl on the salicylic acid moeity is required for activity, and the structure-activity relationship of the aniline ring is largely driven by the presence of electron withdrawing groups. We synthesized 94 analogs exploring substitutions of both rings and the linker region in this series and we have identified multiple compounds with low micromolar potency. Unfortunately, cytotoxicity in a murine macrophage cell line trends with antimicrobial activity, suggesting a similar mechanism of action. We propose that salicylanilides function as proton shuttles that kill cells by destroying the cellular proton gradient, limiting their utility as potential therapeutics.
Lee, Ill-Young,Gruber, Todd D.,Samuels, Amanda,Yun, Minhan,Nam, Bora,Kang, Minseo,Crowley, Kathryn,Winterroth, Benjamin,Boshoff, Helena I.,Barry III, Clifton E.
p. 114 - 126
(2013/02/22)

Discovery of novel 2-hydroxydiarylamide derivatives as TMPRSS4 inhibitors
TMPRSS4 is a novel type II transmembrane serine protease that has been implicated in the invasion and metastasis of colon cancer cells. In this study, a novel series of 2-hydroxydiarylamide derivatives were synthesized and evaluated for inhibiting TMPRSS4 serine protease activity and suppressing cancer cell invasion. These derivatives demonstrated good inhibitory activity against TMPRSS4 serine protease, which correlated with the promising anti-invasive activity of colon cancer cells overexpressing TMPRSS4.
Kang, Sunghyun,Min, Hye-Jin,Kang, Min-Seo,Jung, Myung-Geun,Kim, Semi
supporting information
p. 1748 - 1751
(2013/04/10)

Salicylanilide inhibitors of Toxoplasma gondii
Toxoplasma gondii (T. gondii) is an apicomplexan parasite that can cause eye disease, brain disease, and death, especially in congenitally infected and immune-compromised people. Novel medicines effective against both active and latent forms of the parasite are greatly needed. The current study focused on the discovery of such medicines by exploring a family of potential inhibitors whose antiapicomplexan activity has not been previously reported. Initial screening efforts revealed that niclosamide, a drug approved for anthelmintic use, possessed promising activity in vitro against T. gondii. This observation inspired the evaluation of the activity of a series of salicylanilides and derivatives. Several inhibitors with activities in the nanomolar range with no appreciable in vitro toxicity to human cells were identified. An initial structure-activity relationship was explored. Four compounds were selected for evaluation in an in vivo model of infection, and two derivatives with potentially enhanced pharmacological parameters demonstrated the best activity profiles.
Fomovska, Alina,Mui, Ernest,McLeod, Rima,Wood, Richard D.,Welsh, William J.,Dubey, Jitenter P.,Ferreira, Leandra R.,Hickman, Mark R.,Lee, Patricia J.,Leed, Susan E.,Auschwitz, Jennifer M.,Sommerville, Caroline,Woods, Stuart,Roberts, Craig
p. 8375 - 8391,17
(2020/09/15)

NF-KB ACTIVATION INHIBITORS
A medicament having inhibitory activity against NF-κB activation which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein A represents hydrogen atom or acetyl group, E represents a 2,5-di-substituted or a 3,5-di-substituted phenyl group, or a monocyclic or a fused polycyclic heteroaryl group which may be substituted, provided that the compound wherein said heteroaryl group is 1○ a fused polycyclic heteroaryl group wherein the ring which binds directly to ―CONH― group in the formula (I) is a benzene ring, 2○ unsubstituted thiazol-2-yl group, or 3○ unsubstituted benzothiazol-2-yl group is excluded, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula -CONH-E wherein E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula ― CONH―E wherein E has the same meaning as that defined above.
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(2008/06/13)

THERAPEUTIC AGENT FOR CANCER
A medicament for the prevention and/or treatment of cancers and the like which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein A represents hydrogen atom or acetyl group, E represents a 2,5-di-substituted or a 3,5-di-substituted phenyl group, or a monocyclic or a fused polycyclic heteroaryl group which may be substituted, provided that the compound wherein said heteroaryl group is 1? a fused polycyclic heteroaryl group wherein the ring which binds directly to ―CONH― group in the formula (I) is a benzene ring, 2? unsubstituted thiazol-2-yl group, or 3? unsubstituted benzothiazol-2-yl group is excluded, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula ―CONH―E wherein E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula ― CONH―E wherein E has the same meaning as that defined above.
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Page/Page column 72

(2010/02/11)

REMEDIES FOR NEURODEGENERATIVE DISEASES
A medicament for preventive and/or therapeutic treatment of neurodegenerative diseases such as Alzheimer's disease or the like which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein A represents hydrogen atom or acetyl group, E represents a 2,5-di-substituted or a 3,5-di-substituted phenyl group, or a monocyclic or a fused polycyclic heteroaryl group which may be substituted, provided that the compound wherein said heteroaryl group is 1○ a fused polycyclic heteroaryl group wherein the ring which binds directly to -CONH- group in the formula (I) is a benzene ring, 2○ unsubstituted thiazol-2-yl group, or 3○ unsubstituted benzothiazol-2-yl group is excluded, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -CONH-E wherein E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -CONH-E wherein E has the same meaning as that defined above.
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(2010/02/12)

INHIBITORS AGAINST THE ACTIVATION OF AP-1 AND NFAT
A medicament inhibiting the activation of AP-1 which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein X represents a connecting group whose number of atoms in the main chain is 2 to 5 (said connecting group may be substituted), A represents hydrogen atom or acetyl group, E represents an aryl group which may be substituted or a hetero aryl group which may be substituted, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above.
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Page/Page column 122

(2008/06/13)

THERAPEUTIC DRUG FOR DIABETES
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(2010/02/10)

IMMUNITY-RELATED PROTEIN KINASE INHIBITORS
[From equivalent EP1510210A1] A medicament having an inhibitory activity against IKK-Aβ and/or MEKK-1 or other protein kinases structurally similar thereto, which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein X represents a connecting group whose number of atoms in the main chain is 2 to 5 (said connecting group may be substituted), A represents hydrogen atom or acetyl group, E represents an aryl group which may be substituted or a hetero aryl group which may be substituted, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above.
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Page/Page column 123

(2010/02/10)

ANTIALLERGIC
A medicament for the preventive and/or therapeutic treatment of allergic diseases and/or endometriosis and/or hysteromyoma which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein X represents a connecting group whose number of atoms in the main chain is 2 to 5 (said connecting group may be substituted), A represents hydrogen atom or acetyl group, E represents an aryl group which may be substituted or a hetero aryl group which may be substituted, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each ofX and E has the same meaning as that defined above.
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Page/Page column 127

(2010/02/11)

O-SUBSTITUTED HYDROXYARYL DERIVATIVES
A medicament having inhibitory activity against NF-κB activation which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein X represents a connecting group whose number of atoms in a main chain is 2 to 5 (said connecting group may be substituted), "A" represents an acyl group which may be substituted, (provided that unsubstituted acetyl group and unsubstituted acryloyl group are excluded,) or a C1 to C6 alkyl group which may be substituted, or A may bind to connecting group X to form a cyclic structure which may be substituted, "E" represents an aryl group which may be substituted or a heteroaryl group which may be substituted, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above.
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Page/Page column 77

(2008/06/13)

INHIBITORS AGAINST THE PRODUCTION AND RELEASE OF INFLAMMATORY CYTOKINES
A medicament having inhibitory activity against NF- κ B activation, which comprises a compound represented by the following general formula (I) or a pharmacologically acceptable salt as an active ingredient: wherein X represents a connecting group, A represents hydrogen atom or acetyl group, E represents an aryl group or a heteroaryl group, and ring X represents an arene or a heteroarene.
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(2008/06/13)