Abstract:
:The synthesis and some biological activities of [4-beta-(2-thienyl)-L-alanine]oxytocin are reported. This analogue has been studied in an ongoing exploration of the biological effects of introducing amino acid residues with bulky hydrophobic side chains into the second corner position of the beta turn present in the conformation of the 20-membered ring portion of oxytocin. The analogue was synthesized in stepwise manner by solution techniques utilizing ethylcarbamoyl protection for cysteine side chains. The presence of thienylalanine in position 4 evokes a drastic reduction in both affinity and intrinsic activity; the reduction in intrinsic activity was greater than that found for [Leu4]oxytocin or [Phe4]oxytocin. The analogue possesses 0.51 +/- 0.03 unit/mg of rat uterotonic potency and less than 0.05 unit/mg of rat pressor and rat antidiuretic potency and behaves as a competitive inhibitor of the response to oxytocin in the avian vasodepressor assay with a pA2 value of 7.44 +/- 0.19.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Smith CW,Skala G,Walter Rdoi
10.1021/jm00199a022subject
Has Abstractpub_date
1978-01-01 00:00:00pages
115-7issue
1eissn
0022-2623issn
1520-4804journal_volume
21pub_type
杂志文章abstract::A previously outlined general procedure for preparing various 3-substituted cephalosporins from the penicillin nucleus has been used, with modifications where required, to prepare a series of analogues of cephalexin with various substituents in the 3-methyl group. The 3-substituents most conducive to broad-spectrum an...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00218a019
更新日期:1977-08-01 00:00:00
abstract::Despite the availability of numerous antiepileptic drugs, 20-30% of epileptic patients are pharmacoresistant with seizures not appropriately controlled. Consequently, new strategies to address this unmet medical need are required. T-type calcium channels play a key role in neuronal excitability and burst firing, and s...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.6b01356
更新日期:2016-12-08 00:00:00
abstract::Several derivatives of 4,5-disubstituted imidazole, 2,4,5-trisubstituted pyrimidine, 2-substituted purine, thiazolo[3,2-alpha]purine, [1,3]thiazino[3,2-alpha]purine, thiazolo[2,3-i]purine, [1,3]thiazino-[2,3-i]purine, and 6-substituted pyrazolo[3,4-d]pyrimidine were synthesized and tested as inhibitors of the xanthine...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm950876u
更新日期:1996-06-21 00:00:00
abstract::We describe here a classical molecular modeling exercise that was carried out to provide a basis for the design of novel antagonist ligands of the CCR2 receptor. Using a theoretical model of the CCR2 receptor, docking studies were carried out to define plausible binding modes for the various known antagonist ligands, ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm030862l
更新日期:2003-09-11 00:00:00
abstract::9-acridinyl derivatives of 1,6-hexanediamine, 1,8-octanediamine, bis(3-aminopropyl)amine, N,N'-bis(3-amino-propyl)piperazine, and N-ethyl-1,6-hexanediamine in the form of their hydrochlorides were prepared in high yields and converted into potential hetero bis DNA intercalating diacridines. The corresponding potential...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00364a028
更新日期:1983-10-01 00:00:00
abstract::Membrane-bound aminopeptidase P (AP-P) participates in the degradation of bradykinin in several vascular beds. We have developed an inhibitor of AP-P called apstatin (1) (N-[(2S, 3R)-3-amino-2-hydroxy-4-phenyl-butanoyl]-L-prolyl-L-prolyl-L-al aninam ide); IC50,human = 2.9 microM. In the rat, apstatin can potentiate th...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm9805642
更新日期:1999-07-01 00:00:00
abstract::Generation of a three-dimensional pharmacophore model (hypothesis) that correlates the biological activity of a series of farnesyl protein transferase (FPT) inhibitors, exemplified by the prototype 1-(4-pyridylacetyl)- 4-(8-chloro-5,6-dihydro-11H-benzo [5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine, Sch 44342, 1,...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm970291v
更新日期:1997-12-05 00:00:00
abstract::The S-adenosylmethionine (AdoMet) analogue S-(5'-deoxy-5'-adenosyl)-1-aminoxy-4-(methylsulfonio)-2-cycl opentene (AdoMao) was synthesized in two of its four possible diastereomeric forms using a facile chemoenzymatic route. The trans-1R,4R- and trans-1S,4S-diastereomers of AdoMao, as well as the corresponding diastere...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00010a021
更新日期:1995-05-12 00:00:00
abstract::Dideoxy- and trideoxynucleosides of 5-fluorouracil have been synthesized for antitumor evaluation. 2',5'-Dideoxy-5-fluorouridine (3) was prepared from 2'-deoxy-5-fluorouridine (1) by iodination using methyltriphenoxyphosponium iodide, followed by catalytic reduction. 1-(2',5'-Dideoxy-beta-D-threo-pentofuranosyl)5-fluo...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00182a008
更新日期:1980-08-01 00:00:00
abstract::sigma Receptor antagonists may be effective antipsychotic drugs that do not induce motor side effects caused by ingestion of classical drugs such as haloperidol. We obtained evidence that 1-(2-dipropylaminoethyl)-4-methoxy-6H-dibenzo[b,d]pyran hydrochloride 2a had selective affinity for sigma receptor over dopamine D2...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm980212v
更新日期:1999-03-25 00:00:00
abstract::2-Acetamido-5-O-acetyl-6-O-acyl-2-deoxy-3-O-[(R)-2-propionyl-L-alanyl-D- isoglutamine]-D-glucofuranoses, designed as prodrug forms of the corresponding immunoadjuvant-active 6-O-acyl derivatives of N-acetylmuramyl dipeptide (MDP), were synthesized from benzyl 2-acetamido-2-deoxy-5, 6-O-isopropylidene-beta-D-glucofuran...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00351a005
更新日期:1982-09-01 00:00:00
abstract::The structure-based design, chemical synthesis, and biological evaluation of peptide-derived human rhinovirus (HRV) 3C protease (3CP) inhibitors are described. These compounds incorporate various Michael acceptor moieties and are shown to irreversibly bind to HRV serotype 14 3CP with inhibition activities (kobs/[I]) r...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm980068d
更新日期:1998-07-16 00:00:00
abstract::A series of neutral, lipophilic 99mTc mixed-ligand complexes of the general formula 99mTcOL1L2, where L1H2 is an N-substituted bis-(2-mercaptoethyl)amine, [X-CH2CH2N(CH2CH2SH)2], [SNS], and L2H is a monodentate thiol (RSH), [S], has been synthesized and evaluated in rodents for potential use in brain blood flow imagin...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm960273y
更新日期:1997-08-01 00:00:00
abstract::We disclose optimization efforts based on the novel non-nucleoside adenosine deaminase (ADA) inhibitor, 4 (K(i) = 680 nM). Structure-based drug design utilizing the crystal structure of the 4/ADA complex led to discovery of 5 (K(i) = 11 nM, BA = 30% in rats). Furthermore, from metabolic considerations, we discovered t...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0499559
更新日期:2004-05-20 00:00:00
abstract::SAR exploration at P1' using an anti-succinate-based macrocyclic hydroxamic acid as a template led to the identification of several bulky biphenylmethyl P1' derivatives which confer potent porcine TACE and anti-TNF-alpha cellular activities with high selectivity versus most of the MMPs screened. Our studies demonstrat...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0155502
更新日期:2001-10-11 00:00:00
abstract::5,6-cis-Penem derivatives have been synthesized and evaluated as anti-MRSA antibiotics. The cis-penems 5 and 6 showed potent activities against not only MRSA but also a wide variety of bacteria including beta-lactamase-producing microorganisms. These compounds were designed to have high affinity to the penicillin-bind...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm9703348
更新日期:1997-07-04 00:00:00
abstract::Cell division cycle 25 (Cdc25) proteins are highly conserved dual specificity phosphatases that regulate cyclin-dependent kinases and represent attractive drug targets for anticancer therapies. To discover more potent and diverse inhibitors of Cdc25 biological activity, virtual screening was performed by docking 2.1 m...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm201624h
更新日期:2012-05-10 00:00:00
abstract::DL-(1-Amino-2-propenyl)phosphonic acid was synthesized through the sequential oxidation, sulfoxide elimination, and deprotection of diphenyl [1-[(benzyloxycarbonyl)amino]-3-(phenylthio)propyl] phosphonate. This analogue of vinylglycine is a strong inhibitor of the alanine racemases from Pseudomonas aeruginosa and Stre...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00154a024
更新日期:1986-04-01 00:00:00
abstract::We designed a series of benzoic acid derivatives containing the biphenyl ether or biphenyl template on the RHS and a phenylethanolaminotetraline (PEAT) skeleton, which was prepared by highly stereoselective synthesis, to generate two structurally different lead compounds ( 10c, 10m) with a good balance of potency, sel...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm800222k
更新日期:2008-08-14 00:00:00
abstract::We have rationally designed a sLe(x) mimetic based on molecular modeling, synthesized type II and type II' beta-turn dipeptides (3a,b), and evaluated their biological profiles both in vitro and in vivo. Against E-selectin-sLe(x) binding, the type II beta-turn dipeptide L-Ser-D-Glu 3a (IC50, 13 microM) and the type II'...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm970262k
更新日期:1997-10-24 00:00:00
abstract::A series of novel nitroheterocyclic phosphoramidates has been evaluated for antitumor activity in murine and xenograft tumor models and for toxicity in mice. Significant increases in lifespan and long-term survivors were noted in L1210 leukemia and B16 melanoma models, and both complete and partial tumor regressions w...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm000359y
更新日期:2001-01-04 00:00:00
abstract::Owing to the emergence of drug resistance and high morbidity and mortality, the need for novel anti-influenza A virus (IAV) drugs with divergent targets is highly sought after. Herein, we reveal the discovery of an anti-IAV agent as a dual inhibitor to block hemagglutinin-mediated adsorption and membrane fusion using ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.0c00312
更新日期:2020-07-09 00:00:00
abstract::A series of 1-R-5-alkoxy-3H-1,4-benzodiazepin-2(1H)-ones was prepared and evaluated for central nervous system depressant activity. Several of these compounds, in particular, 7-chloro-5-ethoxy-1-methyl-3H-1,4-benzodiazepin-2(1H)-one (2), gave a profile and activity level similar to diazepam when measured in mice. ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00217a019
更新日期:1977-07-01 00:00:00
abstract::A series of conformationally restricted congeners of pentamidine in which the flexible pentyl bridge of pentamidine was replaced by trans-1,2-bismethylenecyclopropyl, phenyl, pyridinyl, piperazinyl, homopiperazinyl, and piperidinyl groups were synthesized. The compounds were evaluated for trypanocidal activity in vitr...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm020375q
更新日期:2003-03-13 00:00:00
abstract::We previously reported the discovery of 4-[(Z)-(4-bromophenyl)(ethoxyimino)methyl]-1'-[(2,4-dimethyl-3-pyridinyl)carbonyl]-4'-methyl-1,4'-bipiperidine N-oxide 1 (SCH 351125) as an orally bioavailable human CCR5 antagonist for the treatment of HIV-1 infection. Herein, we describe in detail the discovery of 1 from our i...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0200815
更新日期:2002-07-04 00:00:00
abstract::A series of 6,9-disubstituted purines were tested for their ability to bind to the benzodiazepine receptor in rat brain tissue. One of the most active compounds was 9-(3-aminobenzyl)-6-(dimethylamino)-9H-purine (44) with an IC50 = 0.9 microM, which was only 4.5-fold higher than the IC50 for chlordiazepoxide. Substitut...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00125a015
更新日期:1989-05-01 00:00:00
abstract::With the aim of increasing therapeutic indexes of novel cyclic depsinonapeptide pseudomycins, we synthesized and evaluated a series of mono-, di-, and trioxodioxolenylmethyl carbamate prodrugs (2 and 4) of pseudomycin B 1 and pseudomycin C' 3. It is rather encouraging to note that several members of the newly synthesi...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm000425w
更新日期:2001-08-02 00:00:00
abstract::Botulinum neurotoxins (BoNT) are the most potent toxins known and a significant bioterrorist threat. Few small molecule compounds have been identified that are active in cell-based or animal models, potentially due to toxin enzyme plasticity. Here we screened commercially available quinolinols, as well as synthesized ...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm4012164
更新日期:2014-02-13 00:00:00
abstract::Tumor protein 53 (p53) is a critical regulator of cell cycle and apoptosis that is frequently disabled in human tumors. In many tumor types, p53 is deleted or mutated, but in others p53 is inactivated by overexpression or amplification of its negative regulator mouse double minute 2 (MDM2). A high-throughput screening...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm900681h
更新日期:2009-11-26 00:00:00
abstract::Two isomeric series of new thieno-fused 7-deazapurine ribonucleosides (derived from 4-substituted thieno[2',3':4,5]pyrrolo[2,3-d]pyrimidines and thieno[3',2':4,5]pyrrolo[2,3-d]pyrimidines) were synthesized by a sequence involving Negishi coupling of 4,6-dichloropyrimidine with iodothiophenes, nucleophilic azidation, a...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.6b01766
更新日期:2017-03-23 00:00:00