Desmethyl Macrolides: Synthesis and Evaluation of 4,8,10-Tridesmethyl Cethromycin.

abstract：:Incorporation of polar functionality into a series of highly potent calcitonin gene-related peptide (CGRP) receptor antagonists was explored in an effort to improve pharmacokinetics. This strategy identified piperazinone analogues that possessed improved solubility at acidic pH and increased oral bioavailability in mo...

journal_title：ACS medicinal chemistry letters

authors： Bell IM,Gallicchio SN,Wood MR,Quigley AG,Stump CA,Zartman CB,Fay JF,Li CC,Lynch JJ,Moore EL,Mosser SD,Prueksaritanont T,Regan CP,Roller S,Salvatore CA,Kane SA,Vacca JP,Selnick HG

更新日期：2010-01-12 00:00:00

abstract：:Highly toxic bacterial ionophores are commonly used in veterinary medicine, but their therapeutic index is too narrow for human usage. With the goal of developing ionophores with a broader therapeutic index, we constructed highly derivatized synthetic ionophores. The toxicities of crown ether host-rotaxanes (CEHR's) a...

journal_title：ACS medicinal chemistry letters

authors： Smithrud DB,Wang X,Tarapore P,Ho SM

更新日期：2013-01-10 00:00:00

abstract：:Two rigid analogues of 5-ethylindolobenzazepinone 4, a potent cytotoxic agent and inhibitor of tubulin polymerization, were prepared. The first was the indane derivative 5, in which the ethyl group is attached to the benzo moiety. The second was the pyrrolidine analogue 6, in which the ethyl chain was bound to the lac...

journal_title：ACS medicinal chemistry letters

authors： Pons V,Beaumont S,Tran Huu Dau ME,Iorga BI,Dodd RH

更新日期：2011-06-05 00:00:00

abstract：:The attachment of lipids to C- or N-terminally positioned lysine side-chain amino groups increases the activity of a short synthetic (Arg-Trp)3 antimicrobial peptide significantly, making these peptides even active against pathogenic Gram-negative bacteria. Thus, a peptide with strong activity against S. aureus (1.1-2...

journal_title：ACS medicinal chemistry letters

authors： Albada HB,Prochnow P,Bobersky S,Langklotz S,Schriek P,Bandow JE,Metzler-Nolte N

更新日期：2012-09-04 00:00:00

abstract：:Inhibition of the lipid kinase PI3Kδ is a promising principle to treat B and T cell driven inflammatory diseases. Using a scaffold deconstruction-reconstruction strategy, we identified 4-aryl quinazolines that were optimized into potent PI3Kδ isoform selective analogues with good pharmacokinetic properties. With compo...

journal_title：ACS medicinal chemistry letters

authors： Hoegenauer K,Soldermann N,Stauffer F,Furet P,Graveleau N,Smith AB,Hebach C,Hollingworth GJ,Lewis I,Gutmann S,Rummel G,Knapp M,Wolf RM,Blanz J,Feifel R,Burkhart C,Zécri F

更新日期：2016-06-02 00:00:00

abstract：:Potent JNK3 isoform selective inhibitors were developed from a thiophenyl-pyrazolourea scaffold. Through structure activity relationship (SAR) studies utilizing enzymatic and cell-based assays, and in vitro and in vivo drug metabolism and pharmacokinetic (DMPK) studies, potent and highly selective JNK3 inhibitors with...

journal_title：ACS medicinal chemistry letters

authors： Feng Y,Park H,Bauer L,Ryu JC,Yoon SO

更新日期：2020-12-13 00:00:00

abstract：:A series of novel aminopyridyl/pyrazinyl-substituted spiro[indoline-3,4'-piperidine]-2-ones were designed, synthesized, and tested in various in vitro/in vivo pharmacological and antitumor assays. 6-[6-Amino-5-[(1R)-1-(2,6-dichloro-3-fluorophenyl)ethoxy]-3-pyridyl]-1'-methylspiro[indoline-3,4'-piperidine]-2-one (compo...

journal_title：ACS medicinal chemistry letters

authors： Li J,Wu N,Tian Y,Zhang J,Wu S

更新日期：2013-07-12 00:00:00

abstract：:Tankyrases, an enzyme subfamily of human poly(ADP-ribosyl)polymerases, are potential drug targets especially against cancer. We have evaluated inhibition of tankyrases by known PARP inhibitors and report five cocrystal structures of the most potent compounds in complex with human tankyrase 2. The inhibitors include th...

journal_title：ACS medicinal chemistry letters

authors： Haikarainen T,Narwal M,Joensuu P,Lehtiö L

更新日期：2013-11-20 00:00:00

abstract：:A new series of potent TG2 inhibitors are reported that employ a 4-aminopiperidine core bearing an acrylamide warhead. We establish the structure-activity relationship of this new series and report on the transglutaminase selectivity and in vitro ADME properties of selected compounds. We demonstrate that the compounds...

journal_title：ACS medicinal chemistry letters

authors： Prime ME,Brookfield FA,Courtney SM,Gaines S,Marston RW,Ichihara O,Li M,Vaidya D,Williams H,Pedret-Dunn A,Reed L,Schaertl S,Toledo-Sherman L,Beconi M,Macdonald D,Muñoz-Sanjuan I,Dominguez C,Wityak J

更新日期：2012-08-09 00:00:00

abstract：:A competitive fluorescence polarization (FP) assay is reported for determining binding affinities of probe molecules with the pseudokinase JAK2 JH2 allosteric site. The syntheses of the fluorescent 5 and 6 used in the assay are reported as well as Kd results for 10 compounds, including JNJ7706621, NVP-BSK805, and filg...

journal_title：ACS medicinal chemistry letters

authors： Newton AS,Deiana L,Puleo DE,Cisneros JA,Cutrona KJ,Schlessinger J,Jorgensen WL

更新日期：2017-05-17 00:00:00

abstract：:Modifications at the basic nitrogen of the benzomorphan scaffold allowed the development of compounds able to segregate physiological responses downstream of the receptor signaling, opening new possibilities in opioid drug development. Alkylation of the phenyl ring in the N-substituent of the MOR-agonist/DOR-antagonis...

journal_title：ACS medicinal chemistry letters

authors： Pasquinucci L,Parenti C,Ruiz-Cantero MC,Georgoussi Z,Pallaki P,Cobos EJ,Amata E,Marrazzo A,Prezzavento O,Arena E,Dichiara M,Salerno L,Turnaturi R

更新日期：2020-01-28 00:00:00

abstract：:Starting from clinical candidates Firategrast, Valategrast, and AJM-300, a series of novel macrocyclic platelet collagen receptor α2β1 antagonists were developed. The amino acid derived low molecular weight 14-18-membered macrocycles turned out to be highly active toward integrin α2β1 with IC50s in the low nanomolar r...

journal_title：ACS medicinal chemistry letters

authors： Halland N,Blum H,Buning C,Kohlmann M,Lindenschmidt A

更新日期：2014-01-10 00:00:00

abstract：:[This corrects the article DOI: 10.1021/acsmedchemlett.9b00612.]. ...

journal_title：ACS medicinal chemistry letters

authors： Kaiser TM,Dentmon ZW,Dalloul CE,Sharma SK,Liotta DC

更新日期：2020-06-24 00:00:00

abstract：:Current treatment of toxoplasmosis targets the parasite's folate metabolism through inhibition of dihydrofolate reductase (DHFR). The most widely used DHFR antagonist, pyrimethamine, was introduced over 60 years ago and is associated with toxicity that can be largely attributed to a similar affinity for parasite and h...

journal_title：ACS medicinal chemistry letters

authors： Welsch ME,Zhou J,Gao Y,Yan Y,Porter G,Agnihotri G,Li Y,Lu H,Chen Z,Thomas SB

更新日期：2016-09-17 00:00:00

abstract：:Herein we describe the design and synthesis of a series of pyridopyrazine-1,6-dione γ-secretase modulators (GSMs) for Alzheimer's disease (AD) that achieve good alignment of potency, metabolic stability, and low MDR efflux ratios, while also maintaining favorable physicochemical properties. Specifically, incorporation...

journal_title：ACS medicinal chemistry letters

authors： Pettersson M,Johnson DS,Humphrey JM,Butler TW,Am Ende CW,Fish BA,Green ME,Kauffman GW,Mullins PB,O'Donnell CJ,Stepan AF,Stiff CM,Subramanyam C,Tran TP,Vetelino BC,Yang E,Xie L,Bales KR,Pustilnik LR,Steyn SJ,Wood K

更新日期：2015-04-03 00:00:00

abstract：:Stable isotope-mass spectrometry (MS)-based metabolomic profiling is a powerful technique for following changes in specific metabolite pool sizes and metabolic flux under various experimental conditions in a test organism or cell type. Here, we use a metabolomics approach to interrogate the mechanism of antibiotic act...

journal_title：ACS medicinal chemistry letters

authors： Prosser GA,de Carvalho LP

更新日期：2013-12-12 00:00:00

abstract：:The Bromodomain and Extra Terminal (BET) family of proteins recognize post-translational N-ε-acetylated lysine modifications, regulating transcription as "reader" proteins. Bromodomain inhibitors are interesting targets for the development of potential cancer, inflammation, and heart disease treatments. Several dual k...

journal_title：ACS medicinal chemistry letters

authors： Carlson AS,Cui H,Divakaran A,Johnson JA,Brunner RM,Pomerantz WCK,Topczewski JJ

更新日期：2019-08-02 00:00:00

abstract：:In this paper, we describe the discovery and optimization of a series of noncovalent reversible epidermal growth factor receptor inhibitors of EGFRL858R/T790M/C797S. One of the most promising compounds, 25g, inhibited the enzymatic activity of EGFRL858R/T790M/C797S with an IC50 value of 2.2 nM. Cell proliferation assa...

journal_title：ACS medicinal chemistry letters

authors： Li Q,Zhang T,Li S,Tong L,Li J,Su Z,Feng F,Sun D,Tong Y,Wang X,Zhao Z,Zhu L,Ding J,Li H,Xie H,Xu Y

更新日期：2019-05-22 00:00:00

abstract：:Abdominal pain and abnormal bowel habits represent major symptoms for irritable bowel syndrome (IBS) patients that are not adequately managed. Although the etiology of IBS is not completely understood, many of the functions of the gastrointestinal (GI) tract are regulated by the enteric nervous system (ENS). Inflammat...

journal_title：ACS medicinal chemistry letters

authors： Schenck Eidam H,Russell J,Raha K,DeMartino M,Qin D,Guan HA,Zhang Z,Zhen G,Yu H,Wu C,Pan Y,Joberty G,Zinn N,Laquerre S,Robinson S,White A,Giddings A,Mohammadi E,Greenwood-Van Meerveld B,Oliff A,Kumar S,Cheung M

更新日期：2018-05-24 00:00:00

abstract：:The multistep preparation of (11)C-levetiracetam ((11)C-LEV) was carried out by a one-pot radiosynthesis with 8.3 ± 1.6% (n = 8) radiochemical yield in 50 ± 5.0 min. Briefly, the propionaldehyde was converted to propan-1-imine in situ as labeling precursor by incubation with ammonia. Without further separation, the im...

journal_title：ACS medicinal chemistry letters

authors： Cai H,Mangner TJ,Muzik O,Wang MW,Chugani DC,Chugani HT

更新日期：2014-08-19 00:00:00

abstract：:A series of bis(l-amino acid) ester prodrugs of tenofovir (TFV) were designed and synthesized as new anti-HBV agents in this work. Four compounds 11, 12a, 12d, and 13b displayed better anti-HBV activity (IC50: 0.71-4.22 μM) than the parent drug TFV. The most active compound 11 (IC50: 0.71 μM), a bis(l-valine) ester pr...

journal_title：ACS medicinal chemistry letters

authors： Wang A,Wu S,Tao Z,Li X,Lv K,Ma C,Li Y,Li L,Liu M

更新日期：2019-05-16 00:00:00

abstract：:A series of TRPA1 antagonists is described which has as its core structure an indazole moiety. The physical properties and in vitro DMPK profiles are discussed. Good in vivo exposure was obtained with several analogs, allowing efficacy to be assessed in rodent models of inflammatory pain. Two compounds showed signific...

journal_title：ACS medicinal chemistry letters

authors： Pryde DC,Marron BE,West CW,Reister S,Amato G,Yoger K,Antonio B,Padilla K,Cox PJ,Turner J,Warmus JS,Swain NA,Omoto K,Mahoney JH,Gerlach AC

更新日期：2017-05-18 00:00:00

abstract：:We report herein the identification of MK-4409, a potent and selective fatty acid amide hydrolase (FAAH) inhibitor. Starting from a high throughput screening (HTS) hit, medicinal chemistry efforts focused on optimizing of FAAH inhibition in vitro potency, improving the pharmacokinetic (PK) profile, and increasing in v...

journal_title：ACS medicinal chemistry letters

authors： Chobanian HR,Guo Y,Liu P,Chioda MD,Fung S,Lanza TJ,Chang L,Bakshi RK,Dellureficio JP,Hong Q,McLaughlin M,Belyk KM,Krska SW,Makarewicz AK,Martel EJ,Leone JF,Frey L,Karanam B,Madeira M,Alvaro R,Shuman J,Salituro G

更新日期：2014-04-10 00:00:00

abstract：:The identification and optimization of the first activators of fast skeletal muscle are reported. Compound 1 was identified from high-throughput screening (HTS) and subsequently found to improve muscle function via interaction with the troponin complex. Optimization of 1 for potency, metabolic stability, and physical ...

journal_title：ACS medicinal chemistry letters

authors： Collibee SE,Bergnes G,Muci A,Browne WF 4th,Garard M,Hinken AC,Russell AJ,Suehiro I,Hartman J,Kawas R,Lu PP,Lee KH,Marquez D,Tomlinson M,Xu D,Kennedy A,Hwee D,Schaletzky J,Leung K,Malik FI,Morgans DJ Jr,Morgan BP

更新日期：2018-02-13 00:00:00

abstract：:An active site mapping of human cathepsin B with dipeptide nitrile inhibitors was performed for a combinatorial approach by introducing several points of diversity and stepwise optimizing the inhibitor structure. To address the occluding loop of cathepsin B by a carboxylate moiety, click chemistry to generate linker-c...

journal_title：ACS medicinal chemistry letters

authors： Schmitz J,Li T,Bartz U,Gütschow M

更新日期：2015-12-28 00:00:00

abstract：:A series of aryl hydroxamates recently have been disclosed as irreversible inhibitors of kynurenine amino transferase II (KAT II), an enzyme that may play a role in schizophrenia and other psychiatric and neurological disorders. The utilization of structure-activity relationships (SAR) in conjunction with X-ray crysta...

journal_title：ACS medicinal chemistry letters

authors： Tuttle JB,Anderson M,Bechle BM,Campbell BM,Chang C,Dounay AB,Evrard E,Fonseca KR,Gan X,Ghosh S,Horner W,James LC,Kim JY,McAllister LA,Pandit J,Parikh VD,Rago BJ,Salafia MA,Strick CA,Zawadzke LE,Verhoest PR

更新日期：2012-10-24 00:00:00

abstract：:A series of 3-deoxy-3-N-arylated-β-d-galactoside and -guloside derivatives have been synthesized by cesium fluoride/trimetylsilylaryl triflate-mediated benzyne generation and N-arylation of 3-deoxy-3-amino-β-d-galactosides and -gulosides, respectively. Evaluation as ligands to galectin-1, 2, 3, 4N (N-terminal domain),...

journal_title：ACS medicinal chemistry letters

authors： Mahanti M,Pal KB,Sundin AP,Leffler H,Nilsson UJ

更新日期：2019-12-04 00:00:00

abstract：:Fatty acid amide hydrolase (FAAH) is an integral membrane serine hydrolase that degrades the fatty acid amide family of signaling lipids, including the endocannabinoid anandamide. Genetic or pharmacological inactivation of FAAH leads to analgesic and anti-inflammatory phenotypes in rodents without showing the undesira...

journal_title：ACS medicinal chemistry letters

authors： Johnson DS,Stiff C,Lazerwith SE,Kesten SR,Fay LK,Morris M,Beidler D,Liimatta MB,Smith SE,Dudley DT,Sadagopan N,Bhattachar SN,Kesten SJ,Nomanbhoy TK,Cravatt BF,Ahn K

更新日期：2011-02-10 00:00:00

abstract：:Poly-ADP-ribose polymerases (PARPs 1-16) have emerged as major regulators of diverse cellular processes. PARPs can be subclassified based on their ability to catalyze poly-ADP-ribosylation (PARylation) or mono-ADP-ribosylation (MARylation). While much is known about the cellular roles of PARPs that catalyze PARylation...

journal_title：ACS medicinal chemistry letters

authors： Morgan RK,Kirby IT,Vermehren-Schmaedick A,Rodriguez K,Cohen MS

更新日期：2018-11-29 00:00:00

abstract：:Acetylcholinesterase is a critical enzyme that regulates neurotransmission by degrading the neurotransmitter acetylcholine in synapses of the nervous system. It is an important target for both therapeutic drugs that treat Alzheimer's disease and chemical warfare agents that cripple the nervous system and cause death t...

journal_title：ACS medicinal chemistry letters

authors： Cheung J,Gary EN,Shiomi K,Rosenberry TL

更新日期：2013-09-23 00:00:00