Abstract:
:Structure-guided design led to the discovery of novel chemical scaffolds for B-Raf inhibitors. Both type I and type II kinase inhibitors have been explored and lead compounds with good potency and excellent selectivity have been identified.
journal_name
Bioorg Med Chem Lettjournal_title
Bioorganic & medicinal chemistry lettersauthors
Wang X,Salaski EJ,Berger DM,Powell D,Hu Y,Wojciechowicz D,Collins K,Frommer Edoi
10.1016/j.bmcl.2011.10.012subject
Has Abstractpub_date
2011-12-01 00:00:00pages
6941-4issue
23eissn
0960-894Xissn
1464-3405pii
S0960-894X(11)01400-4journal_volume
21pub_type
杂志文章abstract::Exposure of the phenol, (5-bromo-2-hydroxyphenyl)(2,4,5-trimethoxyphenyl)methanone 18 to ceric ammonium nitrate (CAN) resulted in the formation of 7-bromo-3,4a-dimethoxy-2H-xanthene-2,9(4aH)-dione 19 and 5-bromo-2',5'-dimethoxy-3H-spiro[benzofuran-2,1'-cyclohexa[2,5]diene]-3,4'-dione 20. The brominated spirobenzofuran...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.09.088
更新日期:2011-12-01 00:00:00
abstract::We report herein a one-pot four-enzyme approach for the synthesis of the rare sugars d-psicose, d-sorbose, l-tagatose, and l-fructose with aldolase FucA from a thermophilic source (Thermus thermophilus HB8). Importantly, the cheap starting material DL-GP (DL-glycerol 3-phosphate), was used to significantly reduce the ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.03.072
更新日期:2011-09-01 00:00:00
abstract::Substituted benzimidazoles were profiled as inhibitors of kinesin spindle protein (KSP), an increasingly important target for the development of anticancer drugs. This series demonstrated the monoastral phenotypic response and was found to be active in both enzymatic and cellular-based assays. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.05.040
更新日期:2009-07-01 00:00:00
abstract::Isoxazoles are frequently used amide isosteres, as shown in the context of discovery of CRTh2 antagonists from amide 1 to isoxazole 2. However, persistent agonism and poor solubility in isoxazole series presented challenges to its further development. Based on the concept of quality by design (QbD), 5,5-disubstituted ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2014.01.043
更新日期:2014-03-15 00:00:00
abstract::A new siderophore, N5,N6-thiodipropanoyl-bis[N1,N10-bis(2,3-dihydroxy benzoyl-spermidine)]-Fe (III) complex or H2LFe has been synthesised. The reaction of the reduced form of this complex with dioxygen has been investigated through electrochemical study and revealed the formation of a new species assumed to be H2O2. T...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(99)00371-6
更新日期:1999-08-16 00:00:00
abstract::α1-Adrenoceptor (α1-AR) antagonists are considered to be the most effective monotherapy agents for lower urinary tract symptoms associated with benign prostatic hyperplasia (LUTS/BPH). In this study, we synthesized compounds 2-17, which are novel piperazine derivatives that contain methyl phenylacetate. We then evalua...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2018.01.068
更新日期:2018-02-15 00:00:00
abstract::The sulfonamide class of antibiotics has been in continuous use for over 70years. They are thought to act by directly inhibiting dihydropteroate synthase (DHPS), and also acting as prodrugs that sequester pterin pools by forming dead end pterin-sulfonamide conjugates. In this study, eight pterin-sulfonamide conjugates...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2016.07.006
更新日期:2016-08-15 00:00:00
abstract::Positive allosteric modulation of metabotropic glutamate receptor 5 (mGluR5) is regarded as a potential novel treatment for schizophrenic patients. Herein we report the synthesis and SAR of 4-aryl piperazine and piperidine amides as potent mGluR5 positive allosteric modulators (PAMs). Several analogs have excellent ac...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2010.10.036
更新日期:2010-12-15 00:00:00
abstract::Several 1-[(2-hydroxy-ethoxy)methyl]-3-carbethoxy-4(1H)quinolones (2a-l) and l-[(2-hydroxy-ethoxy)methyl]-4(1H)quinolone-3-carboxylic acids (3a-j and 3l) were synthesized and 2a-j, 2l and 3a-j, 3l were evaluated against herpes simplex virus type 1 (HSV-1), employing a one-pot reaction: silylation of the desired quinol...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2005.10.111
更新日期:2006-02-15 00:00:00
abstract::Thieno analogues of the potent and selective furo-pyrimidine anti-VZV nucleoside family bearing a p-alkylphenyl side chain have been synthesised and tested for their antiviral activity against Varicella-Zoster virus (VZV). While the alkyl chain analogues were shown to retain full antiviral activity against VZV, these ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2004.03.029
更新日期:2004-05-17 00:00:00
abstract::Oxomollugin (2) is a degradation product of mollugin (1) and a potent inhibitor of NO-production including nuclear factor kappa B signals. In our endeavor to develop a potent anti-inflammatory compound, we synthesized several aza-derivatives of oxomollugin (2) and evaluated their NO-production inhibitory activity. Aza...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2015.11.081
更新日期:2016-01-15 00:00:00
abstract::Bioconjugate formats provide alternative strategies for antigen targeting with bispecific antibodies. Here, PSMA-targeted Fab conjugates were generated using different bispecific formats. Interchain disulfide bridging of an αCD3 Fab enabled installation of either the PSMA-targeting small molecule DUPA (SynFab) or the ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2017.09.065
更新日期:2017-12-15 00:00:00
abstract::A novel series of hepatitis C virus (HCV) NS3/4A protease inhibitors bearing a P2-P4 macrocycle and a P1-P1' alpha-ketoamide serine trap is reported. The NS3 protease, which is essential for viral replication, is considered one of the most attractive targets for developing novel anti-HCV therapies. The optimization of...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.02.079
更新日期:2009-04-15 00:00:00
abstract::As the best-characterized ubiquitin-like protein (UBL), small ubiquitin-related modifier (SUMO) was found to conjugate with a number of proteins to regulate cellular functions including transcription, signal transduction, and cell cycle. While E1, E2 and E3 ligases are responsible for the forward SUMOylation reaction,...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2011.08.101
更新日期:2011-11-01 00:00:00
abstract::A novel caspase-3 substrate N-Ac-DEVD-N'-MC-R110, which is a fluorogenic substrate cleavable in a single step, has been prepared. It has a significantly higher enzyme turnover rate and sensitivity for detecting caspase-3 activity both in solution and living cells than existing fluorogenic substrates. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2005.02.081
更新日期:2005-05-02 00:00:00
abstract::The serine protease urokinase (uPa) has been implicated in the progression of both breast and prostate cancer. Utilizing structure based design, the synthesis of a series of substituted 4-[2-amino-1,3-thiazolyl]-thiophene-2-carboxamidines is described. Further optimization of this series by substitution of the termina...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(01)00102-0
更新日期:2001-04-09 00:00:00
abstract::A series of 1-adamantanecarboxamides was synthesized and examined for their potency as a selective 5-HT2 receptor antagonist. We found (S)-N-[1-[2-(4-fluorophenyl)ethyl]pyrrolidin-3-yl]-1-adamantane carboxamide hydrochloride hydrate (10-(S), Y-39241) to have a high affinity and selectivity for 5-HT2 receptors, and thi...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(00)00492-3
更新日期:2000-11-06 00:00:00
abstract::The discovery and optimization of a novel series of prolinol-derived GHSR agonists is described. This series emerged from a 11,520-member solid-phase library targeting the GPCR protein superfamily, and the rapid optimization of low micromolar hits into single-digit nanomolar leads can be attributed to the solid-phase ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2008.07.120
更新日期:2008-09-15 00:00:00
abstract::New derivatives of ethyl 8-oxo-5,6,7,8-tetrahydro-thiazolo[3,2-a][1,3]diazepin-3-carboxylate (HIE-124, 3), were synthesized as continuation to our previous patented efforts. Compounds 15 and 20 showed marginal hypnotic potency compared to 3. Compounds 15 (0.78mmol/kg) and 20 (0.39mmol/kg) showed remarkable 100% protec...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2015.11.097
更新日期:2016-01-15 00:00:00
abstract::A unique bicyclic peptide, moroidin (1), from the seeds of Celosia argentea (Amaranthaceae) strongly inhibited the polymerization of tubulin. The stereostructure of moroidin (1) was reinvestigated by spectroscopic data, chemical degradation, and molecular dynamics simulation. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(00)00029-9
更新日期:2000-03-06 00:00:00
abstract::Cu(II) complexes with 4,6-di(tert-butyl)-2-aminophenol (I) and 2-anilino-4,6-di(tert-butyl)phenol (II) have been synthesized and characterized by means of elemental analysis, TG/DTA, FT-IR, UV-vis, ESR, and conductance measurements. The compounds I and II can coordinate in their singly deprotonated forms and behave as...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2006.07.065
更新日期:2006-10-15 00:00:00
abstract::A series of pyrrolo[3,2,1-ij]quinoline derivatives was synthesized, evaluated for their activity against the 5-HT2c and 5-HT2a, receptors and found to be agonists at 5-HT2c with selectivity over 5-HT2a. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(00)00141-4
更新日期:2000-05-01 00:00:00
abstract::Esculentoside A (EsA) has been reported to possess anti-inflammatory activity and selective inhibitory activity towards cyclooxygenase-2. A series of derivatives of EsA were synthesized by converting the C-28 carboxylic acid group into amides. The haemolytic activity and inhibitory activity towards cyclooxygenase-2 we...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2007.10.006
更新日期:2007-12-01 00:00:00
abstract::Our first generation of hydroxyethylamine BACE-1 inhibitors proved unlikely to provide molecules that would lower amyloid in an animal model at low oral doses. This observation led us to the discovery of a second generation of inhibitors having nanomolar activity in a cell-based assay and with the potential for improv...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.03.149
更新日期:2009-07-01 00:00:00
abstract::A new method for the synthesis of 2'-O-methyl-2-thiouridine (s2Um) found in thermophilic bacterial tRNA was developed. Structural properties of s2Um and s2Um(p)U were studied by using 1H NMR spectroscopy. A modified nonaribonucleotide (RNA*: 5'-CGUUs2UmUUGC-3') was synthesized to study the base-recognition ability of ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(00)00342-5
更新日期:2000-08-21 00:00:00
abstract::A series of thiazole bearing thiazolidin-4-one was discovered via high-throughput screening as non-competitive inhibitors of ADAMTS-5. Compound 31 appeared to give the best ADAMTS-5 inhibition and good selectivity over other metalloproteases. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2013.01.121
更新日期:2013-04-01 00:00:00
abstract::To elucidate the role of the hydrophobic alkyl tail of acetogenins in the inhibitory action, we synthesized an acetogenin derivative possessing the shortest tail (i.e., methyl group) and examined its inhibitory activity against bovine heart mitochondrial complex I. Our results indicated that the alkyl tail, which is o...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(02)00374-8
更新日期:2002-08-19 00:00:00
abstract::Bioassay-guided fractionation of the EtOAc extract of the stem bark of Erythrina abyssinica (Leguminosae) resulted in the isolation of three new (1-3), along with 12 known (4-15) pterocarpan derivatives. Their chemical structures were determined by physicochemical and spectroscopic data analysis (IR, UV, [alpha](D), C...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2009.09.108
更新日期:2009-12-01 00:00:00
abstract::Fast atom bombardment mass spectrometry that can directly analyze lysophospholipids was used to quantitatively determine the kinetics of phospholipase A2. This method is 1250 times more sensitive than the colorimetric assay. ...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/s0960-894x(98)00750-1
更新日期:1999-02-08 00:00:00
abstract::Nicotinic acetylcholine receptors (nAChRs) are downregulated in disease conditions such as Alzheimer's and substance abuse. Presently, (123)I-5-IA-85380 is used in human studies and requires over 6h of scanning time, thus increases patient discomfort. We have designed and synthesized 3-iodo-5-[2-(S)-3-pyrrolinylmethox...
journal_title:Bioorganic & medicinal chemistry letters
pub_type: 杂志文章
doi:10.1016/j.bmcl.2012.10.012
更新日期:2012-12-15 00:00:00