Abstract:
:New analogues of human cholecystokinin in which the Tyr(SO3H) has been replaced by Phe(p-CH2SO3Na), methionines by norleucines, and tryptophan by 2-naphthylalanine([Phe(p-CH2- SO3Na)27,Nle28,31,Nal30]-CCK26-33 and [Phe(p-CH2SO3Na)27,Nle7,28,31,Nal30]-CCK-33) were synthesized by Fmoc solid phase methodology on two different resins (2,4- dimethoxybenzhydrylamine- and 4-(benzyloxy)-2',4'-dimethoxybenzhydrylamine resins, 2,4-DMBHA and TMBHA resins, respectively). While the syntheses on the TMBHA appeared to be more sluggish than those carried out on the 2,4-DMBHA, both final crude products were of equivalent relative purity and after purification gave approximately the same final yields of analogues estimated to have a purity greater than 93% using RPHPLC and CZE. The peptides were further characterized by amino acid analysis and LSIMS. Phe(p-CH2SO3Na)27,Nle7,28,31,Nal30]-CCK-33 was submitted to 33 Edman cycles and shown to be the desired product with less than 3% preview. Both analogues were tested for their ability to stimulate amylase release from isolated rat pancreatic acini. In this assay, [Phe(p-CH2SO3Na)27,Nle28,31,Nal30]-CCK26-33 and Phe(p-CH2SO3Na)27,Nle7,28,31,Nal30]-CCK-33 were 10 and 30 times less potent than CCK-8, respectively.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Miranda MT,Liddle RA,Rivier JEdoi
10.1021/jm00064a001subject
Has Abstractpub_date
1993-06-11 00:00:00pages
1681-8issue
12eissn
0022-2623issn
1520-4804journal_volume
36pub_type
杂志文章abstract::The modification of 3'-((2-cyclopentyl-6,7-dimethyl-1-oxo-2,3-dihydro-1H-inden-5-yloxy)methyl)biphenyl-4-carboxylic acid (BINA, 1) by incorporating heteroatoms into the structure and replacing the cyclopentyl moiety led to the development of new mGluR2 positive allosteric modulators (PAMs) with optimized potency and s...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm1012165
更新日期:2011-01-13 00:00:00
abstract::The combination of early diagnosis and complete surgical resection offers the greatest prospect of curative cancer treatment. An iodine-124/fluorescein-based dual-modality labeling reagent, 124I-Green, constitutes a generic tool for one-step installation of a positron emission tomography (PET) and a fluorescent report...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.7b01746
更新日期:2018-02-22 00:00:00
abstract::The recently described potent and selective GABAA antagonist SR 95531 (gabazine) is compared to six other GABAA antagonists: (+)-bicuculline, (-)-securinine, (+)-tubocurarine, iso-THAZ, R-5135, and pitrazepine. Starting from ab initio molecular orbital calculations performed on crystal atomic coordinates, attempts wer...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00089a005
更新日期:1992-05-29 00:00:00
abstract::A series of 62 diarylamidine derivatives was evaluated for their antiproteolytic activity. In all but two of the compounds one or both of the amidino-substituted aryl moieties was either an indole or an indole-like ring. The latter included indene, benzimidazole, benzofuran, benzol[beta]thiophene, and several other re...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00205a005
更新日期:1978-07-01 00:00:00
abstract::Bitter thresholds of a total of 93 amino acids, peptides, and their derivatives were analyzed quantitatively by use of hydrophobicity parameters reported for amino acid side chains and those for the whole molecules estimated from partition coefficients obtained experimentally. We also explored the steric parameters th...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00393a031
更新日期:1987-10-01 00:00:00
abstract::A close analogue of the antileukemic agent 5,8-dideaza-N10 propargylfolic acid (2) was synthesized by replacing the propargyl moiety of 2 with a cyanomethyl group. This compound, N10-(cyanomethyl)-5,8-dideazafolic acid (3), was evaluated for its antifolate and antitumor activities in several biological test systems. A...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00358a030
更新日期:1983-04-01 00:00:00
abstract::A series of [(heteroarylamino)phenyl]alkanoic acids having pyridine, quinoline, or pyrimidine as the heteroaryl moiety was prepared as potential antiinflammatory agents. Among them, 2-[4-(2-pyridylamino)phenyl]propionic acid (14b) showed excellent antiinflammatory and analgesic activities with less tendency to cause g...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00356a019
更新日期:1983-02-01 00:00:00
abstract::(+)-12-Fluoro-13,14-dihydroprostaglandin F2alpha methyl ester (2a) and (+)-15-epi-12-fluoro-13,14-dihydroprostaglandin F2alpha methyl ester (2b) were prepared from the readily available (-)-7-fluorospiro[bicyclo[2.2.1]hept-5-ene-2,2'-[1,3]dioxolane]-7-methanol (3). Fluoroprostaglandins 2a and 2b possess truly signific...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00139a014
更新日期:1981-07-01 00:00:00
abstract::A series of potent nonpeptide inhibitors of the HIV protease have been identified. Using the structure of compound 3 bound to the HIV protease, bis tertiary amide inhibitor 9 was designed and prepared. Compound 9 was found to be about 17 times more potent than 3, and the structure of the protein-ligand complex of 9 re...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm960092w
更新日期:1996-07-05 00:00:00
abstract::We present and thoroughly characterize a large collection of 3,4-dihydropyrimidin-2(1H)-ones as A2BAR antagonists, an emerging strategy in cancer (immuno) therapy. Most compounds selectively bind A2BAR, with a number of potent and selective antagonists further confirmed by functional cyclic adenosine monophosphate exp...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.0c01431
更新日期:2021-01-14 00:00:00
abstract::We herein report phosphorodiamidates as a significant new phosphate prodrug motif. Sixty-seven phosphorodiamidates are reported of two 6-O-alkyl 2'-C-methyl guanosines, with significant variation in the diamidate structure. Both symmetrical and asymmetric phosphorodiamidates are reported, derived from various esterifi...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm2011673
更新日期:2011-12-22 00:00:00
abstract::The synthesis and the X-ray structure of 16a-thiocamptothecin (TCPT), the thiopyridone analog of camptothecin (CPT), are accomplished. The crystal contains two structurally identical, yet independent molecules. Both of them are connected to other molecules via two intermolecular hydrogen bonds. S-methylation of TCPT l...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm8001982
更新日期:2008-05-22 00:00:00
abstract::A series of 1-methyl-1H-pyrazole-5-carboxamides were synthesized as potent inhibitors of the parasitic nematode of sheep, Haemonchus contortus. These compounds did not show overt cytotoxicity to a range of mammalian cell lines under standard in vitro culture conditions, had high selectivity indices, and were progresse...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.0c01793
更新日期:2021-01-14 00:00:00
abstract::The endocannabinoid hydrolyzing enzyme FAAH uses a nonclassical catalytic triad (namely, Ser-Ser-Lys instead of Ser-Asp-His) to cleave its endogenous substrates. Because inhibiting FAAH has a clear therapeutic potential, we previously developed β-lactam-type inhibitors of hFAAH. Here, we report the synthesis of five n...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm200723m
更新日期:2011-10-13 00:00:00
abstract::New 5'-O-carbonate prodrugs of zidovudine (AZT) have been synthesized in order to enhance its uptake by HIV-1 infected cells, to improve its anti-HIV potency, and to optimize the intramolecular cyclic rearrangement process related to the 5'-O-(4-hydroxybutyl) carbonate moiety. Evidence of this prodrug rearrangement wa...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm010863i
更新日期:2001-08-30 00:00:00
abstract::The discovery of 8-(5,8-dichloro-1,2,3,4-tetrahydro-naphthalen-2-yl)-1-phenyl-1,3,8-triazaspiro[4.5]decan-4-one, 1a, as a high-affinity ligand for the human ORL1 (orphanin FQ/nociceptin) receptor led to the synthesis of a series of optimized ligands. These compounds exhibit high affinity for the human ORL1 receptor, e...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm991129q
更新日期:2000-04-06 00:00:00
abstract::The recently discovered nicotinic agonist pyrido[3,4-b]norhomotropane [corrected] (PHT) as well as its N-methyl and 2'-methyl derivatives (syntheses reported herein) were compared with nicotine, nornicotine, and anatoxin a in a series of in vitro and in vivo assays. The results reveal that PHT possesses activity compa...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00398a004
更新日期:1988-03-01 00:00:00
abstract::A series of N,N-dialkyltryptamines with methylthio or methylenedioxy substituents in the 4, 5, and 6 positions and methyl or isopropyl on the side-chain nitrogen has been synthesized. The behavioral pharmacology of these compounds showed them to possess Bovet-Gatti profiles characteristic of hallucinogens, and the 5-m...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00350a005
更新日期:1982-08-01 00:00:00
abstract::2beta-Carbomethoxy-3beta-(4'-((Z)-2-iodoethenyl)phenyl)nortropane (ZIENT) (6) and 2beta-carbomethoxy-3beta-(4'-((E)-2-iodoethenyl)phenyl)nortropane (EIENT) (10) were prepared and evaluated in vitro and in vivo for serotonin transporter (SERT) selectivity and specificity. High specific activity [(123)I]ZIENT and [(123)...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0100180
更新日期:2003-03-13 00:00:00
abstract::We have investigated the possibility of preparing complexes of rhenium and technetium whose shape resembles that of ligands for steroid receptors. The general structure of N2S2 complexes of oxorhenium(V) and oxotechnetium(V) is such that they could replace the BC ring system of steroid, thereby generating a metal comp...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00033a010
更新日期:1994-04-01 00:00:00
abstract::We present a novel protein-ligand docking method that accurately accounts for both ligand and receptor flexibility by iteratively combining rigid receptor docking (Glide) with protein structure prediction (Prime) techniques. While traditional rigid-receptor docking methods are useful when the receptor structure does n...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm050540c
更新日期:2006-01-26 00:00:00
abstract::The protein kinase C (PKC) family of serine/threonine kinases is implicated in a wide variety of cellular processes. The PKC theta (PKCtheta) isoform is involved in TCR signal transduction and T cell activation and regulates T cell mediated diseases, including lung inflammation and airway hyperresponsiveness. Thus inh...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm800214a
更新日期:2008-10-09 00:00:00
abstract::The thioredoxin system plays an important role in cancer cells. Inhibiting thioredoxin reductase (TrxR) has emerged as an effective strategy to selectively target cancer cells. Withangulatin A (WA), a natural product extracted from the whole herb of Physalis angulata L. (Solanaceae), exhibits potent anticancer activit...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/acs.jmedchem.0c01128
更新日期:2020-10-08 00:00:00
abstract::A series of pepstatin analogues having structural variations in the P2', P1', and P2 positions have been synthesized and tested for inhibition of porcine pepsin. The standard peptide for this study was Iva-Sta-Val-Ala-Iaa. Structural variations in the P2' and P1' positions have relatively little effect on Ki; however,...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00360a022
更新日期:1983-06-01 00:00:00
abstract::In a search for structurally new alpha(1)-adrenoreceptor (alpha(1)-AR) antagonists, prazosin (1)-related compounds 2-11 were synthesized and their affinity profiles were assessed by functional experiments in isolated rat vas deferens (alpha(1A)), spleen (alpha(1B)), and aorta (alpha(1D)) and by binding assays in CHO c...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm030952q
更新日期:2003-11-06 00:00:00
abstract::A series of 3-hydroxy-substituted analogues (3-7) of the mu selective opioid antagonist cyprodime has been synthesized in order to evaluate the role of a hydroxy group at C-3 concerning mu opioid antagonist selectivity. Compounds 3-7 were tested in bioassays (electrical stimulated mouse vas deferens preparation and my...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm00016a010
更新日期:1995-08-04 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::Ionotropic glutamate receptors (iGluRs) constitute a family of ligand-gated ion channels that are essential for mediating fast synaptic transmission in the central nervous system. This study presents a high-resolution X-ray structure of the competitive antagonist (S)-2-amino-3-[5-tert-butyl-3-(phosphonomethoxy)-4-isox...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm020989v
更新日期:2003-01-16 00:00:00
abstract::A series of novel, disulfide-constrained human beta-melanocyte stimulating hormone (beta-MSH)-derived peptides were optimized for in vitro melanocortin-4 receptor (MC-4R) binding affinity, agonist efficacy, and selectivity. The most promising of these, analogue 18, was further studied in vivo using chronic rat food in...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm0501432
更新日期:2005-05-05 00:00:00
abstract::A novel cytochrome P450, CYP53A15, was identified in the pathogenic filamentous ascomycete Cochliobolus lunatus. The protein, classified into the CYP53 family, was capable of para hydroxylation of benzoate. Benzoate is a key intermediate in the metabolism of aromatic compounds in fungi and yet basically toxic to the o...
journal_title:Journal of medicinal chemistry
pub_type: 杂志文章
doi:10.1021/jm800030e
更新日期:2008-06-26 00:00:00