Abstract:
:With the emergence of oseltamivir-resistant influenza viruses and in view of a highly pathogenic flu pandemic, it is important to develop new anti-influenza agents. Here, the development of neuraminidase (NA) inhibitors that were designed to overcome resistance mechanisms along with unfavorable pharmacokinetic (PK) properties is described. Several 5-guanidino- and 5-amidino-based oseltamivir derivatives were synthesized and profiled for their anti-influenza activity and in vitro and in vivo PK properties. Amidine 6 and guanidine 7 were comparably effective against a panel of different A/H1N1 and A/H3N2 strains and also inhibited mutant A/H1N1 neuraminidase. Among different prodrug strategies pursued, a simple amidoxime ethyl ester (9) exhibited a superior PK profile with an oral bioavailability of 31% (rats), which is comparable to oseltamivir (36%). Thus, bioisosteric replacement of the 5-guanidine with an acetamidine-in the form of its N-hydroxy prodrug-successfully tackled the two key limitations of currently used NA inhibitors, as exemplified with oseltamivir.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Schade D,Kotthaus J,Riebling L,Kotthaus J,Müller-Fielitz H,Raasch W,Koch O,Seidel N,Schmidtke M,Clement Bdoi
10.1021/jm401492xsubject
Has Abstractpub_date
2014-02-13 00:00:00pages
759-69issue
3eissn
0022-2623issn
1520-4804journal_volume
57pub_type
杂志文章abstract::The prevalence of neurotensin receptor (NTR) in several human tumors makes it an attractive target for the delivery of cytotoxic drugs and imaging agents. Native neurotensin (NT) is a tridecapeptide that binds to NTR and induces tumor growth. Unfortunately, NT has a short plasma half-life, which hinders its use for in...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm030081k
更新日期:2003-07-17 00:00:00
abstract::The first synthesis of the tamoxifen metabolite norendoxifen is reported. This included syntheses of (E)-norendoxifen, (Z)-norendoxifen, and (E,Z)-norendoxifen isomers. (Z)-Norendoxifen displayed affinity for aromatase (Ki 442 nM), estrogen receptor-α (EC50 17 nM), and estrogen receptor-β (EC50 27.5 nM), while the cor...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm400364h
更新日期:2013-06-13 00:00:00
abstract::A series of 4-amino[1,2,4]triazolo[4,3-a]quinoxalines has been prepared. Many compounds from this class reduce immobility in Porsolt's behavioral despair model in rats upon acute administration and may therefore have therapeutic potential as novel and rapid acting antidepressant agents. Optimal activity in this test i...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00170a031
更新日期:1990-08-01 00:00:00
abstract::Spirocyclic scaffolds are incorporated in various approved drugs and drug candidates. The increasing interest in less planar bioactive compounds has given rise to the development of synthetic methodologies for the preparation of spirocyclic scaffolds. In this Perspective, we summarize the diverse synthetic routes to o...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.0c01473
更新日期:2021-01-14 00:00:00
abstract::A series of 1,3-dihydro-2H-imidazo[4,5-b]quinolin-2-one derivatives, substituted at the 7-position with functionalized side chains, was synthesized and evaluated as inhibitors of human blood platelet cAMP phosphodiesterase (PDE) as well as ADP- and collagen-induced platelet aggregation, in vitro. Structural modificati...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00092a019
更新日期:1992-07-10 00:00:00
abstract::We have previously described the potent and selective inhibition of several strains of human immunodeficiency virus type 1 (HIV-1) and type 2 (HIV-2) by JM2763, an n-propyl-linked dimer of the 1,4,8,11-tetraazamacrocyclic (cyclam) ring system. Upon further investigation, we have also found that incorporating an aromat...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00002a019
更新日期:1995-01-20 00:00:00
abstract::The malignant brain tumor (MBT) repeat is an important epigenetic-code "reader" and is functionally associated with differentiation, gene silencing, and tumor suppression. (1-3) Small molecule probes of MBT domains should enable a systematic study of MBT-containing proteins and potentially reveal novel druggable targe...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm1007374
更新日期:2010-11-11 00:00:00
abstract::A series of renin inhibitors were designed to examine the topography of the contiguous binding pocket of renin that is normally occupied by the P1 and P3 side chains. Molecular modeling suggested that extending the P1 hydrophobic side chain into the adjacent hydrophobic S3 enzyme pocket was feasible. Novel transition ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00015a012
更新日期:1995-07-21 00:00:00
abstract::The recently discovered enzyme lysine-specific demethylase 1 (LSD1) plays an important role in the epigenetic control of gene expression, and aberrant gene silencing secondary to LSD1 overexpression is thought to contribute to the development of cancer. We recently reported a series of (bis)guanidines and (bis)biguani...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm100217a
更新日期:2010-07-22 00:00:00
abstract::A series of novel 2-substituted acetylenic pyrrolidines and piperidines related to oxotremorine (1) were prepared and evaluated in vitro as muscarinic cholinergic agents at brain M1 and M2 receptors. One analogue, 3-(2-oxo-1-pyrrolidinyl)-1-[2(R)-pyrrolidinyl]-1-propyne hydrogen oxalate (6a), was found to be a partial...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00087a008
更新日期:1992-05-01 00:00:00
abstract::Dihydrofuro[3,4-c]pyridinones are the first class of small molecules reported to inhibit the cytolytic effects of the lymphocyte toxin perforin. A lead structure was identified from a high throughput screen, and a series of analogues were designed and prepared to explore structure-activity relationships around the cor...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm801063n
更新日期:2008-12-11 00:00:00
abstract::Methionine aminopeptidase-2 (MetAP2) is a novel target for cancer therapy. As part of an effort to discover orally active reversible inhibitors of MetAP2, a series of anthranilic acid sulfonamides with micromolar affinities for human MetAP2 were identified using affinity selection by mass spectrometry (ASMS) screening...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0601001
更新日期:2006-06-29 00:00:00
abstract::A series of polyamines based on the high affinity sigma receptor ligand N-[2-(3,4-dichlorophenyl)-ethyl]-N-methyl-2-(1-pyrrolidinyl)ethylamine (3) were developed and evaluated for their binding characteristics at sigma-1 and sigma-2 receptor subtypes. The data indicated that a considerable degree of structural variati...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00028a016
更新日期:1994-01-21 00:00:00
abstract::cis-4-Hydroperoxycyclophosphamide (5) undergoes facile reaction with aqueous phosphate or Tris buffers at pH 7-8 and 30 degrees C. The kinetics of 5 are complex, and the trans-4-hydroperoxy isomer 6 is produced and subsequently disappears over the course of the reaction. Addition of hydrogen peroxide to the reaction m...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00370a009
更新日期:1984-04-01 00:00:00
abstract::A pharmacophore model, Hypo1, was built on the basis of 21 training-set indole compounds with varying levels of antiproliferative activity. Hypo1 possessed important chemical features required for the inhibitors and demonstrated good predictive ability for biological activity, with high correlation coefficients of 0.9...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm801649y
更新日期:2009-07-23 00:00:00
abstract::The discovery of selective endothelin (ET) receptor antagonists will facilitate identification of the physiological and pathological roles for ET and its isopeptides. Structure-activity studies of the C-terminal hexapeptide of ET have been carried out to elucidate those amino acids important for receptor binding and a...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00070a001
更新日期:1993-09-03 00:00:00
abstract::KEAP1 is the key regulator of the NRF2-mediated cytoprotective response, and increasingly recognized as a target for diseases involving oxidative stress. Pharmacological intervention has focused on molecules that decrease NRF2-ubiquitination through covalent modification of KEAP1 cysteine residues, but such electrophi...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.6b00228
更新日期:2016-04-28 00:00:00
abstract::Analogues of nicotinic acid adenine dinucleotide phosphate (NAADP) with substitution at either the 4- or the 5-position position of the nicotinic acid moiety have been synthesized from NADP enzymatically using Aplysia californica ADP-ribosyl cyclase or mammalian NAD glycohydrolase. Substitution at the 4-position of th...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm1007209
更新日期:2010-11-11 00:00:00
abstract::Pleuromutilin and its derivatives are antibacterial drugs that inhibit protein synthesis in bacteria by binding to ribosomes. To promote rational design of pleuromutilin based drugs, 19 pleuromutilin conjugates with different nucleoside fragments as side chain extensions were synthesized by a click chemistry protocol....
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm800261u
更新日期:2008-08-28 00:00:00
abstract::A series of 1-[[[5-(substituted phenyl)-2-oxazolyl]methylene]amino]- 2,4-imidazolidinediones (6a-t) was synthesized, and the compounds were evaluated for direct skeletal muscle inhibition in the pithed rat gastrocnemius muscle preparation. The correctness of structural assignment of the new series was verified by alte...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00385a006
更新日期:1987-02-01 00:00:00
abstract::Spiropyrimidinetriones are a novel class of antibacterial agents that target the bacterial type II topoisomerase via a new mode of action. Compound ETX0914 is thus far the only drug from this class that is being evaluated in clinical trials. To improve the antibacterial activity and pharmacokinetic properties of ETX09...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.8b01750
更新日期:2019-03-28 00:00:00
abstract::Ligands from the naltrexamine series have consistently demonstrated agonist activity at kappa opioid receptors (KOR), with varying activity at the mu opioid receptor (MOR). Various 6 beta-cinnamoylamino derivatives were made with the aim of generating ligands with a KOR agonist/MOR partial agonist profile, as ligands ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm8015552
更新日期:2009-03-26 00:00:00
abstract::N6-isopentenyladenosine (i6A), a modified nucleoside belonging to the cytokinin family, has shown in humans many biological actions, including antitumoral effects through the modulation of the farnesyl pyrophosphate synthase (FPPS) activity. To investigate the relationship between i6A and FPPS, we undertook an inverse...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm500869x
更新日期:2014-09-25 00:00:00
abstract::A series of 9-(hydroxyalkenyl)purines (adenines and 3-deazaadenines), which are analogues of neplanocin A, were synthesized. The analogues were tested as inhibitors of bovine liver and murine L929 cell S-adenosyhomocysteine (AdoHcy) hydrolase (EC 3.3.1.1) and as inhibitors of vaccinia virus replication in murine L929 ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00117a011
更新日期:1988-09-01 00:00:00
abstract::Selected derivatives of 9-oxo-1H,9H-benzothiopyrano[2,3-d]-1,2,3-triazole, a new heterocyclic ring system, and their S-oxides have been prepared and evaluated for antiallergic activity in the rat passive cutaneous anaphylaxis screen. Several of the compounds show intravenous potencies similar to or greater than that o...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00368a021
更新日期:1984-02-01 00:00:00
abstract::Rexinoids are ligands for the retinoid X receptor (RXR) that have great promise for both the prevention and treatment of cancer and metabolic diseases. In this regard, synthetic, functional, and structural investigations into the structure-activity relationships of derivatives of the potent RXR agonist (E)-3-[3-(3,5,5...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm900096q
更新日期:2009-05-28 00:00:00
abstract::We have previously shown that the 2-amino-3-(3-hydroxy-5-methyl-4-isoxazolyl)propionic acid (AMPA) receptor agonist, 2-amino-3-(3-carboxy-5-methyl-4-isoxazolyl)propionic acid (ACPA, 2), binds to AMPA receptors in a manner different from that of AMPA (1) itself and that 2, in contrast to 1, also binds to kainic acid re...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0003586
更新日期:2000-12-14 00:00:00
abstract::Gossypol and 17 derivatives were tested as inhibitors of aldose reductase from human placenta. Gossypol and a number of the derivatives were potent inhibitors. The order of inhibitory activity was interpreted in relation to the Kador-Sharpless pharmacophor model for the aldose reductase inhibitor site. The structural ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00115a021
更新日期:1991-11-01 00:00:00
abstract::Multivalent ligands are promising pharmacological tools that may be more efficacious for several diseases than highly selective single-target drugs. A combined therapy using dopaminergic agonists and adenosinergic antagonists is currently being evaluated for the treatment of Parkinson's disease. [(a) Kanda, T.; et al....
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm060947x
更新日期:2007-06-28 00:00:00
abstract::Since the identification of the dopamine D(4) receptor subtype and speculations about its possible involvement in schizophrenia, much work has been put into development of selective D(4) ligands. These selective ligands may be effective antipsychotics without extrapyramidal side effects. This work describes the synthe...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm031111m
更新日期:2004-06-03 00:00:00