Domino reactions of vinyl malononitriles with 3-phenacylideneoxindoles for efficient synthesis of functionalized spirocyclic oxindoles.

abstract：:An unprecedented three-component C(sp(3))-H functionalization of 2-alkylazaarenes with aryl aldehydes and 4-hydroxycoumarins was realized, providing azaarene-substituted 3-benzyl-4-hydroxycoumarins in good to excellent yields. These new target compounds displayed broad-spectrum antibacterial activities, providing a ne...

journal_title：ACS combinatorial science

authors： Dong H,Xu L,Li SS,Wang L,Shao CL,Xiao J

更新日期：2016-09-12 00:00:00

abstract：:A combinatorial library having 66 different ternary compositions of Pd-Ir-Ce was prepared via the impregnation method to find the optimum ternary composition with the highest performance toward oxygen reduction reaction (ORR) in acid media. Its performance in ORR activity of the combinatorial array was evaluated throu...

journal_title：ACS combinatorial science

authors： Park SH,Choi CH,Koh JK,Pak C,Jin SA,Woo SI

更新日期：2013-11-11 00:00:00

abstract：:Competition-enhanced ligand screening (CompELS) was employed to rapidly screen through large DNA libraries to identify single-stranded, oligonucleotide-based ligands called aptamers that bind to a nonbiological target. This previously unreported aptamer screening approach involves the repeated introduction of unenrich...

journal_title：ACS combinatorial science

authors： Tapp MJN,Slocik JM,Dennis PB,Naik RR,Milam VT

更新日期：2018-10-08 00:00:00

abstract：:A sequential single-flask multicomponent reactions is highly effective for the synthesis of 1,2-dihydroisoquinolines through amidealkylation from intermediate N-acylisoquinolinium salts under mild conditions. N-Acylisoquinolinium ions and trichloromethyl-1-(1H-indol-3-yl)isoquinoline-2(1H)-carboxylate have demonstrate...

journal_title：ACS combinatorial science

authors： Chung TW,Hung YT,Thikekar T,Paike VV,Lo FY,Tsai PH,Liang MC,Sun CM

更新日期：2015-08-10 00:00:00

abstract：:High-throughput combinatorial methods have been useful in identifying new oxide semiconductors with the potential to be applied to solar water splitting. Most of these techniques have been limited to producing and screening oxide phases formed at temperatures below approximately 550 °C. We report the development of a ...

journal_title：ACS combinatorial science

authors： Skorupska K,Maggard PA,Eichberger R,Schwarzburg K,Shahbazi P,Zoellner B,Parkinson BA

更新日期：2015-12-14 00:00:00

abstract：:Under the acidic conditions, substituted furans were constructed from γ-alkynyl ketones through corresponding allene intermediates in one-pot. The methodology was also tailored to a series of the Ugi reaction products for the synthesis of 6-methylpyrazin-2(1 H)-one derivatives. The current method offered significant a...

journal_title：ACS combinatorial science

authors： Lei J,Xu ZG,Tang DY,Li Y,Xu J,Li HY,Zhu J,Chen ZZ

更新日期：2018-05-14 00:00:00

abstract：:In this article, an original one-pot method is utilized to synthesize a variety of derivatives of naphtho[2,1-b]furan-2(1H)-one via a pseudo-four-component domino reaction of aryl aldehydes, acetic anhydride, hippuric acids, and 2-naphthols catalyzed by HSW@SPIONs. This reaction illustrates an array of attractive feat...

journal_title：ACS combinatorial science

authors： Salami-Ranjbaran E,Khosropour AR,Mohammadpoor-Baltork I,Moghadam M,Tangestaninejad S,Mirkhani V

更新日期：2015-08-10 00:00:00

abstract：:High-throughput experimentation provides efficient mapping of composition-property relationships, and its implementation for the discovery of optical materials enables advancements in solar energy and other technologies. In a high throughput pipeline, automated data processing algorithms are often required to match ex...

journal_title：ACS combinatorial science

authors： Suram SK,Newhouse PF,Gregoire JM

更新日期：2016-11-14 00:00:00

abstract：:A novel method of evaluating the enantioselectivity of chiral receptors is investigated. It involves extraction of an ionic guest in racemic form from an ion-exchange resin to the organic solvent, where it is bound by a chiral receptor. The enantioselectivity of the examined receptor is determined simply by measuring ...

journal_title：ACS combinatorial science

authors： Ulatowski F,Hamankiewicz P,Jurczak J

更新日期：2015-09-14 00:00:00

abstract：:The development of a scanning reactor for planar catalysts is presented here. With respect to other existing models, this reactor is able to scan catalysts even with low turnover frequencies with a minimum sensed circular area of approximately 6 mm in diameter. The downstream gas analysis is performed with a quaprupol...

journal_title：ACS combinatorial science

authors： Marelli M,Nemenyi A,Dal Santo V,Psaro R,Ostinelli L,Monticelli D,Dossi C,Recchia S

更新日期：2016-01-11 00:00:00

abstract：:Protein-protein interactions are generally challenging to target by small molecules. To address the challenge, we have used a multidisciplinary approach to identify small-molecule disruptors of protein-protein interactions that are mediated by SUMO (small ubiquitin-like modifier) proteins. SUMO modifications have emer...

journal_title：ACS combinatorial science

authors： Alontaga AY,Li Y,Chen CH,Ma CT,Malany S,Key DE,Sergienko E,Sun Q,Whipple DA,Matharu DS,Li B,Vega R,Li YJ,Schoenen FJ,Blagg BS,Chung TD,Chen Y

更新日期：2015-04-13 00:00:00

abstract：:A library of functionalized 3-(α-styryl)-benzo[b]thiophenes, endowed with a high level of molecular diversity, was efficiently synthesized by applying a synthetic sequence that allowed introduction of various substituents on aromatic A, B, and C-rings. The strategy developed involves the synthesis of 3-bromobenzo[b]th...

journal_title：ACS combinatorial science

authors： Tréguier B,Lawson M,Bernadat G,Bignon J,Dubois J,Brion JD,Alami M,Hamze A

更新日期：2014-12-08 00:00:00

abstract：:A new one-pot, three component reaction involving the use of Julia reagent, aldehyde, and sodium azide was developed for the efficient synthesis of N-unsubstituted 1,2,3-triazoles. This reaction could be carried out under mild reaction conditions without any precaution, and broad scope of substrates, both respect to J...

journal_title：ACS combinatorial science

authors： Chai H,Guo R,Yin W,Cheng L,Liu R,Chu C

更新日期：2015-03-09 00:00:00

abstract：:Dispiro-pyrrolidino/pyrrolizidino fused oxindoles/acenaphthoquinones have been derived from andrographolide via azomethine ylide cycloaddition to the conjugated double-bond under microwave (MW) irradiation. The reactions are chemo-, stereo-, and regioselective in nature. Change in amino acid from sarcosine/N-benzyl gl...

journal_title：ACS combinatorial science

authors： Hazra A,Bharitkar YP,Chakraborty D,Mondal SK,Singal N,Mondal S,Maity A,Paira R,Banerjee S,Mondal NB

更新日期：2013-01-14 00:00:00

abstract：:This work presents the first use of yeast-displayed protein targets for screening mRNA-display libraries of cyclic and linear peptides. The WW domains of Yes-Associated Protein 1 (WW-YAP) and mitochondrial import receptor subunit TOM22 were adopted as protein targets. Yeast cells displaying WW-YAP or TOM22 were magnet...

journal_title：ACS combinatorial science

authors： Bacon K,Bowen J,Reese H,Rao BM,Menegatti S

更新日期：2020-12-14 00:00:00

abstract：:We have achieved an efficient solution-phase parallel synthesis of a library of natural piper-amide-like compounds from the bifunctional β-phosphono-N-hydroxy-succinimidyl ester intermediate. The primary important feature in our study is the construction of natural-product-like molecules through the adaptation of soph...

journal_title：ACS combinatorial science

authors： Kim S,Lim C,Lee S,Lee S,Cho H,Lee JY,Shim DS,Park HD,Kim S

更新日期：2013-04-08 00:00:00

abstract：:When isolating binders from yeast displayed combinatorial libraries, a soluble, recombinantly expressed form of the target protein is typically utilized. As an alternative, we describe the use of target proteins displayed as surface fusions on magnetized yeast cells. In our strategy, the target protein is coexpressed ...

journal_title：ACS combinatorial science

authors： Bacon K,Burroughs M,Blain A,Menegatti S,Rao BM

更新日期：2019-12-09 00:00:00

abstract：:A novel parallel medicinal chemistry (PMC)-enabled synthesis of 1H-pyrazolo[3,4-d]pyrimidines employing condensation of easily accessible N-pyrazolylamides and nitriles has been developed. The presented studies describe singleton and library enablements that allowed rapid generation of molecular diversity to examine C...

journal_title：ACS combinatorial science

authors： Shah AA,Chenard LK,Tucker JW,Helal CJ

更新日期：2017-11-13 00:00:00

abstract：:Solid-phase synthesis is the method of choice for peptide preparation in both research and industrial settings. The whole synthetic process is governed by the initial functionalization of the resin. Although the literature provides several methods to determine such functionalization, the addition of an Fmoc-amino acid...

journal_title：ACS combinatorial science

authors： Al Musaimi O,Basso A,de la Torre BG,Albericio F

更新日期：2019-11-11 00:00:00

abstract：:A sequential one-pot, two-step, three-component reaction for efficient synthesis of spiro-substituted 1,3-thiazine library has been developed. The syntheses were achieved by reacting cyanoacetamide with isothiocyanate derivatives to give rise to 2-cyano-3-mercaptoacrylamides, which are trapped in situ by various cyclo...

journal_title：ACS combinatorial science

authors： Zhuang QY,Wang X,Gao Y,Shi F,Jiang B,Tu SJ

更新日期：2011-01-10 00:00:00

abstract：:A novel and highly efficient three-component reaction of 2-alkynylbenzaldoxime, carbodiimide, with electrophile (bromine or iodine monochloride) is disclosed, which generates 1-(4-haloisoquinolin-1-yl)ureas in good yields under mild conditions. Subsequent palladium-catalyzed Suzuki-Miyaura coupling reaction is introdu...

journal_title：ACS combinatorial science

authors： Ye S,Wang H,Wu J

更新日期：2011-03-14 00:00:00

abstract：:Polymer-supported N-(2-oxo-ethyl)-derivatized Ser/Thr/Cys-containing dipeptides were synthesized and subjected to acid-mediated tandem N-acylium ion cyclization-nucleophilic addition to yield tetrahydro-2H-oxazolo[3,2-a]pyrazin-5(3H)-ones. The reaction conditions and building-block combinations for stereoselective syn...

journal_title：ACS combinatorial science

authors： La Venia A,Dolenský B,Krchňák V

更新日期：2013-03-11 00:00:00

abstract：:The diversity oriented synthesis of substituted pyridines and dihydro-6H-quinolin-5-ones tethered with aryls and heteroaryls was achieved in very good yields through CeCl(3)·7H(2)O-NaI catalyst via variants of the Bohlmann-Rahtz reaction. β-Enaminones derived from various aryl and heteroaryl methyl ketones were regios...

journal_title：ACS combinatorial science

authors： Kantevari S,Patpi SR,Addla D,Putapatri SR,Sridhar B,Yogeeswari P,Sriram D

更新日期：2011-07-11 00:00:00

abstract：:A one-pot parallel synthesis of N(1)-aryl-N(2)-alkyl-substituted oxamides with 2,2,2-trifluoroethyl chlorooxoacetate was developed. The synthesis of a library of 45 oxamides revealed higher efficiency of this reagent over the known ethyl chlorooxoacetate. The reagent was successfully used to prepare the known oxamide-...

journal_title：ACS combinatorial science

authors： Bogolubsky AV,Moroz YS,Mykhailiuk PK,Pipko SE,Zhemera AV,Konovets AI,Stepaniuk OO,Myronchuk IS,Dmytriv YV,Doroschuk RA,Zaporozhets OA,Tolmachev A

更新日期：2015-10-12 00:00:00

abstract：:This paper describes the synthesis of a 300 member library of 3,5-substituted enones. The synthesis starts with 6 different bromoenones that are accessed from the corresponding 1,3 diones. These bromides are then diversified by Suzuki coupling with a variety of aromatic and vinyl boronic acids. Additionally a small se...

journal_title：ACS combinatorial science

authors： Khalaf J,Estrella-Jimenez ME,Shashack MJ,Phatak SS,Zhang S,Gilbertson SR

更新日期：2011-07-11 00:00:00

abstract：:A set of chemically engineered extracts enriched in compounds including N-N and N-O fragments in their structures was prepared. Bromodomain binding screening and bioguided fractionation led to the identification of one oxime hit that interacts with TcBDF3 with affinity in the submicromolar range and that shows interes...

journal_title：ACS combinatorial science

authors： Ramallo IA,Alonso VL,Rua F,Serra E,Furlan RLE

更新日期：2018-04-09 00:00:00

abstract：:Ultrasound-assisted synthesis of benzimidazo[2,1-b]quinazolin-1(1H)-ones was achieved via piperidine-catalyzed three-component reaction of 2-aminobenzimidazoles, an aromatic aldehyde, and 1,3-dione in aqueous isopropanol. This mechanism was first suspected following our identification of unusual reaction intermediates...

journal_title：ACS combinatorial science

authors： Chen LH,Chung TW,Narhe BD,Sun CM

更新日期：2016-03-14 00:00:00

abstract：:The Au-Al alloy system was investigated via a combinatorial thin film sputtering method for its potential as a plasmonic material. Au xAl1- x combinatorial libraries were cosputtered from Au and Al elemental targets and the composition, phase, and dielectric function of a ∼350 nm film was determined using energy dispe...

journal_title：ACS combinatorial science

authors： Collette R,Wu Y,Olafsson A,Camden JP,Rack PD

更新日期：2018-11-12 00:00:00

abstract：:3-Substituted 4-quinolones were synthesized using a one-pot metal-free strategy in moderate to quantitative yields. Carried out in dimethylsulfoxide (DMSO) via a sequential addition of materials, the methodology is tolerant of a wide range of functional groups and applicable to library synthesis. ...

journal_title：ACS combinatorial science

authors： Liu QL,Li QL,Fei XD,Zhu YM

更新日期：2011-01-10 00:00:00

abstract：:Functionalized chromenes have been synthesized via highly selective metal-free domino reactions from ketones and phenols. 2H-Chromenes, 4H-chromenes, spiran and benzocyclopentane can be respectively prepared starting from the corresponding cyclic ketones, aryl methyl ketones, acetone, and 3-pentanone. ...

journal_title：ACS combinatorial science

authors： Xue WJ,Li Q,Gao FF,Zhu YP,Wang JG,Zhang W,Wu AX

更新日期：2012-08-13 00:00:00