Investigation of factor Xa inhibitors containing non-amidine S1 elements.

abstract：:Screening of a metalloprotease library led to the identification of a thiol-based dual ACE/NEP inhibitor as a potent ACE2 inhibitor. Modifications of the P(1) benzyl moiety led to improvements in ACE2 potency as well as to increased selectivity versus ACE and NEP. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Deaton DN,Gao EN,Graham KP,Gross JW,Miller AB,Strelow JM

更新日期：2008-01-15 00:00:00

abstract：:Structure-activity studies on benzamide 1 obtained from library screening led to the discovery of a novel series of potent and selective glycine transporter type-2 inhibitors. ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ho KK,Appell KC,Baldwin JJ,Bohnstedt AC,Dong G,Guo T,Horlick R,Islam KR,Kultgen SG,Masterson CM,McDonald E,McMillan K,Morphy JR,Rankovic Z,Sundaram H,Webb M

更新日期：2004-01-19 00:00:00

abstract：:This SAR study has shown that the salicylanilide is the pharmacophore for inhibition of the bacterial two-component system. Hydrophobic substituents improve the potency of inhibitors in this series; however, hydrophobicity is not the sole determinant for inhibition; structural and electronic requirements also exist. C...

journal_title：Bioorganic & medicinal chemistry letters

authors： Hlasta DJ,Demers JP,Foleno BD,Fraga-Spano SA,Guan J,Hilliard JJ,Macielag MJ,Ohemeng KA,Sheppard CM,Sui Z,Webb GC,Weidner-Wells MA,Werblood H,Barrett JF

更新日期：1998-07-21 00:00:00

abstract：:A number of new amine scaffolds with good inhibitory activity in the ADP-induced platelet aggregation assay have been found to be potent antagonists of the P2Y1 receptor. SAR optimization led to the identification of isoindoline 3c and piperidine 4a which showed good in vitro binding and functional activities, as well...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ruel R,L'Heureux A,Thibeault C,Lapointe P,Martel A,Qiao JX,Hua J,Price LA,Wu Q,Chang M,Zheng J,Huang CS,Wexler RR,Rehfuss R,Lam PY

更新日期：2013-12-15 00:00:00

abstract：:A series of novel 5-trans-hydroxyadamantan-2-yl-5,6,7,8-tetrahydropyrazolo[4,3-c]azepin-4(1H)-ones that inhibit 11beta-hydroxysteroid dehydrogenase type 1 are described. We discovered these 7-membered cyclic amide derivatives by introducing a distinctive linker through pharmacophore analysis of known ligands included ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Udagawa S,Sakami S,Takemura T,Sato M,Arai T,Nitta A,Aoki T,Kawai K,Iwamura T,Okazaki S,Takahashi T,Kaino M

更新日期：2013-03-15 00:00:00

abstract：:(Me)FGC(Bz)DEVD was radiolabeled with technetium-99m in high yield. This tracer was preferentially accumulated in apoptotic cells in the in vitro studies. Tumor uptake occurred in vivo after cisplatin injection due to the apoptosis induction, which not observed in the untreated tumors. Therefore, (99m)Tc-(Me)FGCDEVD i...

journal_title：Bioorganic & medicinal chemistry letters

authors： Bohn P,Mouchard F,Rouvet J,de Boisgrollier AC,Vera P

更新日期：2013-03-01 00:00:00

abstract：:Four platinum(II) complexes of N-cyclobutyl-1R,2R-diaminocyclohexane with different bidentate dicarboxylates (1 oxalate, 2 malonate, 3 1,1-cyclobutanedicarboxylate and 4 3-hydroxy-1,1-cyclobutanedicarboxylate) as leaving groups were synthesized and characterized by elemental analyses, IR and (1)HNMR spectra together w...

journal_title：Bioorganic & medicinal chemistry letters

authors： Xu G,Zhao J,Gou S,Pang J

更新日期：2015-01-15 00:00:00

abstract：:The optimization of a series of 4-(dimethylamino)quinazoline antagonists of the melanin-concentrating hormone receptor 1 (MCH-R1) is described. The combination of the elaboration of both the linker portion and the terminal phenyl ring provided N-(cis-4-{[4-(dimethylamino)quinazolin-2-yl]amino}cyclohexyl)-3,4-difluorob...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kanuma K,Omodera K,Nishiguchi M,Funakoshi T,Chaki S,Semple G,Tran TA,Kramer B,Hsu D,Casper M,Thomsen B,Sekiguchi Y

更新日期：2005-09-01 00:00:00

abstract：:Dimethylallyl (DMA) derivatives of a naturally occurring xanthone (decussatin 1) were prepared. Their activity as potential P-glycoprotein inhibitors was monitored by affinity of direct binding and compared to that of corresponding DMA-flavones. Both classes of compounds exhibited the same structure-activity relations...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tchamo DN,Dijoux-Franca MG,Mariotte AM,Tsamo E,Daskiewicz JB,Bayet C,Barron D,Conseil G,Di Pietro A

更新日期：2000-06-19 00:00:00

abstract：:HIV-1 protease inhibitors (PI) with an N-arylpyrrole moiety in the P(3) position afforded excellent antiviral potency and substantially improved aqueous solubility over previously reported variants. The rapid in vitro clearance of these compounds in human liver microsomes prompted oral coadministration with indinavir ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kevin NJ,Duffy JL,Kirk BA,Chapman KT,Schleif WA,Olsen DB,Stahlhut M,Rutkowski CA,Kuo LC,Jin L,Lin JH,Emini EA,Tata JR

更新日期：2003-11-17 00:00:00

abstract：:Horner-Emmons reaction of 4"-dehydro-5-O-TBDMS-avermectin B(1a) with a variety of phosphorus ylides using LHMDS gave novel 4"-alkylidene avermectin derivatives in high yields. Further modifications led to derivatives bearing diverse functional groups. The new avermectin derivatives showed potent growth inhibitory acti...

journal_title：Bioorganic & medicinal chemistry letters

authors： Nagai K,Sunazuka T,Shiomi K,Harder A,Turberg A,Omura S

更新日期：2003-11-17 00:00:00

abstract：:We have designed and synthesized twenty-six N-arylindazole-3-carboxamide (3a-p) and N-benzoylindazole (6a-j) derivatives to discover with excellent inhibition activities of α-MSH-stimulated melanogenesis. In the bio evaluation studies of these compounds, we discovered eighteen compounds, out of twenty-six exhibited mo...

journal_title：Bioorganic & medicinal chemistry letters

authors： Arepalli SK,Lee C,Jung JK,Kim Y,Lee K,Lee H

更新日期：2019-09-15 00:00:00

abstract：:A novel series of diphenyl lactam containing calcium channel blockers is described. Extensive SAR studies resulted in compounds with low molar activity and good plasma exposure after oral dosing. Compounds 2, 6 and 7 demonstrated significant efficacy in the capsaicin model of secondary hyperalgesia following oral admi...

journal_title：Bioorganic & medicinal chemistry letters

authors： Doherty GA,Bhatia P,Vortherms TA,Marsh KC,Wetter JM,Mack H,Scott VE,Jarvis MF,Stewart AO

更新日期：2012-02-15 00:00:00

abstract：:The peptide ligase subtiligase, derived from subtilisin, has been employed in the identification of protein N-termini in complex mixtures. Here, the peptide ester substrates for the ligation reaction were optimized with respect to solubility, resulting in greater incorporation of the N-terminal tags. Additionally, the...

journal_title：Bioorganic & medicinal chemistry letters

authors： Yoshihara HA,Mahrus S,Wells JA

更新日期：2008-11-15 00:00:00

abstract：:A series of P1/P1' substituted cyclic urea analogues were prepared in an attempt to increase the intra-cellular antiviral potency of the nonsymmetrical 3-aminoindazoles DMP 850 and DMP 851. The effect of alkyl substitution of the P1/P1' residues on cellular antiviral potency, protein binding, resistance profile and ph...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kaltenbach RF 3rd,Patel M,Waltermire RE,Harris GD,Stone BR,Klabe RM,Garber S,Bacheler LT,Cordova BC,Logue K,Wright MR,Erickson-Viitanen S,Trainor GL

更新日期：2003-02-24 00:00:00

abstract：:Fatty acylated dipeptides homologous to Gi alpha N-termini affect ligand binding to muscarinic acetylcholine receptors. Myristylglycine-serine containing dipeptides decrease antagonist binding at both M1 and M2 muscarinic receptors. Palmitate on the serine analogous to native palmitoylated cysteine affords dipeptide w...

journal_title：Bioorganic & medicinal chemistry letters

authors： Krishnan V,Pham WN,Messer WS Jr,Peseckis SM

更新日期：1999-12-06 00:00:00

abstract：:A series of novel (un)substituted benzotriazolyl oxazolidinone derivatives has been synthesized and tested for in vitro antibacterial activities by MIC determination against a panel of susceptible and resistant Gram-positive and Gram-negative microorganisms, some of which are resistant to methicillin and vancomycin. C...

journal_title：Bioorganic & medicinal chemistry letters

authors： Dixit PP,Nair PS,Patil VJ,Jain S,Arora SK,Sinha N

更新日期：2005-06-15 00:00:00

abstract：:Two new kelsoane-type sesquiterpenes, namely kelsoenethiol (1) and dikelsoenyl ether (2), were obtained from the Formosan soft coral Nephthea erecta. Their structures were elucidated through extensive spectroscopic analyses, ESI orbitrap mass and quantum chemical calculations (QCC). The cytotoxicity against A-459 (hum...

journal_title：Bioorganic & medicinal chemistry letters

authors： Cheng SY,Shih NL,Hou KY,Ger MJ,Yang CN,Wang SK,Duh CY

更新日期：2014-01-15 00:00:00

abstract：:A series of novel curcumin bisacetamides aiming of enriching their biological activities have been synthesized. The synthesized compounds were screened for their in vitro antioxidant, anti-inflammatory and cytotoxic activities. All the compounds exhibited potent to good anti-inflammatory, antioxidant and noteworthy cy...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sribalan R,Kirubavathi M,Banuppriya G,Padmini V

更新日期：2015-10-01 00:00:00

abstract：:The SPOT technology can fulfill most requirements for highly parallel, multiple peptide synthesis of soluble peptides within the upper microgram range. Here, we report on an improved method using hydroxymethylphenoxyacetic acid (HMPA) for 19 amino acids and 4-(4-hydroxymethyl-3-methoxyphenoxy)-butyric acid (HMPB) for ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Ay B,Landgraf K,Streitz M,Fuhrmann S,Volkmer R,Boisguerin P

更新日期：2008-07-15 00:00:00

abstract：:The structure-activity relationships for semicarbazide-sensitive amine oxidase (SSAO) inhibitors based on arylpropynylamines was investigated using solution-phase combinatorial Sonogashira coupling. The results suggest that binding to the active site occurs by coordination of the amine to the proximal copper(II) and f...

journal_title：Bioorganic & medicinal chemistry letters

authors： Conn C,Shimmon R,Cordaro F,Hargraves TL,Ibrahim P

更新日期：2001-10-08 00:00:00

abstract：:A series of N-2-(4-(4-(2-substitutedthiazol-4-yl) piperazin-1-yl)-2-oxoethyl)acetamides were synthesized in an effort to prepare novel atypical antipsychotic agents. The compounds were synthesized by either microwave irradiation technique or by conventional synthesis and were characterized by spectral data (IR, (1)H N...

journal_title：Bioorganic & medicinal chemistry letters

authors： Sekhar KV,Rao VS,Devambatla RKV,Kumar MM

更新日期：2008-12-01 00:00:00

abstract：:A focused set of heterocyclic quinones based on the benzothiazole, benzoxazole, benzimidazole, indazole and isoindole was prepared and screened with respect to the inhibition of the phosphatase activity of CDC25C. Benzoxazole- and benzothiazole-diones were at least 50 times more potent in inhibiting CDC25C than their ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Lavergne O,Fernandes AC,Bréhu L,Sidhu A,Brézak MC,Prévost G,Ducommun B,Contour-Galcera MO

更新日期：2006-01-01 00:00:00

abstract：:The first inhibitors of fungal protein: mannosyl transferase 1 (PMT1) are described. They are based upon rhodanine-3-acetic acid and several compounds have been identified, for example, 5-[[3-(1-phenylethoxy)-4-(2-phenylethoxy)phenyl]methylene]-4-oxo-2-thioxo-3-thiazolidineacetic acid (5a), which inhibit Candida albic...

journal_title：Bioorganic & medicinal chemistry letters

authors： Orchard MG,Neuss JC,Galley CM,Carr A,Porter DW,Smith P,Scopes DI,Haydon D,Vousden K,Stubberfield CR,Young K,Page M

更新日期：2004-08-02 00:00:00

abstract：:The synthesis and anti-angiogenic activities of linomide and its analogues are reported. Three of the analogues are 3.3-69 times more potent than linomide at inhibiting blood vessel formation in the CAM angiogenesis assay. These compounds possessed considerable anti-proliferative activity against isolated HUVEC cells ...

journal_title：Bioorganic & medicinal chemistry letters

authors： Shi J,Xiao Z,Ihnat MA,Kamat C,Pandit B,Hu Z,Li PK

更新日期：2003-03-24 00:00:00

abstract：:Novel Leu-enkephalin (Leu-Enk) (1) analogs possessing various types of alpha-substituted serine instead of its glycine residue in the position 2 were synthesized via an efficient O,N-migration method. The binding characteristics of the synthetic analogs using Chinese hamster ovary (CHO) cells expressed cloned rat mu-,...

journal_title：Bioorganic & medicinal chemistry letters

authors： Horikawa M,Shigeri Y,Yumoto N,Yoshikawa S,Nakajima T,Ohfune Y

更新日期：1998-08-04 00:00:00

abstract：:A new halicyclamine derivative, tetradehydrohalicyclamine B (1), was isolated from the marine sponge Acanthostrongylophora ingens, along with halicyclamine B (2) as proteasome inhibitors. Compound 1 is the second example found to have a pyridinium ring in the halicyclamine family. Although the relative configuration o...

journal_title：Bioorganic & medicinal chemistry letters

authors： Kato H,El-Desoky AH,Takeishi Y,Nehira T,Angkouw ED,Mangindaan REP,de Voogd NJ,Tsukamoto S

更新日期：2019-01-01 00:00:00

abstract：:Current treatments for Mycobacterium tuberculosis infections require long and complicated regimens that can lead to patient non-compliance, increasing incidences of antibiotic-resistant strains, and lack of efficacy against latent stages of disease. Thus, new therapeutics are needed to improve tuberculosis standard of...

journal_title：Bioorganic & medicinal chemistry letters

authors： Washburn A,Abdeen S,Ovechkina Y,Ray AM,Stevens M,Chitre S,Sivinski J,Park Y,Johnson J,Hoang QQ,Chapman E,Parish T,Johnson SM

更新日期：2019-07-01 00:00:00

abstract：:Our internal casein kinase 1ε lead inhibitor, compound 1 was partially cleared by the polymorphic cytochrome P450 2D6. CYP2D6 involvement in metabolism implies more extensive clinical trials. We therefore wanted to reduce the contribution to clearance by this enzyme. We utilized metabolism reports for compound 1 perfo...

journal_title：Bioorganic & medicinal chemistry letters

authors： Vaz RJ,Li Y,Metz M,Yang D,Shen H,Munson M

更新日期：2018-12-15 00:00:00

abstract：:A new class of kappa-opioid receptor agonists is described. The design of these agents was based upon energy minimization and structural overlay studies of the generic azepin-2-one structure 3 with the crystal structure of arylacetamide kappa agonist 1, ICI 199441. The most active compound identified was ligand 4a (K(...

journal_title：Bioorganic & medicinal chemistry letters

authors： Tuthill PA,Seida PR,Barker W,Cassel JA,Belanger S,DeHaven RN,Koblish M,Gottshall SL,Little PJ,DeHaven-Hudkins DL,Dolle RE

更新日期：2004-11-15 00:00:00