Parallel Synthesis of 1H-Pyrazolo[3,4-d]pyrimidines via Condensation of N-Pyrazolylamides and Nitriles.

abstract：:A three-component reaction of a 2-aminoazine, a 2-oxoaldehyde, and a cyclic 1,3-dicarbonyl compound providing access toward a novel class of imidazo[1,2-a]azine derivatives was developed and studied. The scope of the process was thoroughly explored under three different reaction conditions resulting in the generation ...

journal_title：ACS combinatorial science

authors： Peshkov VA,Peshkov AA,Pereshivko OP,Van Hecke K,Zamigaylo LL,Van der Eycken EV,Gorobets NY

更新日期：2014-10-13 00:00:00

abstract：:In this research, MgAl-CO32- nanolayered double hydroxide (NLDH) was synthesized through a facile coprecipitation method, followed by a hydrothermal treatment. The prepared NLDHs were used as a hydrophilic nanofiller for improving the performance of the PVDF-based ultrafiltration membranes. The main objective of this ...

journal_title：ACS combinatorial science

authors： Arefi-Oskoui S,Khataee A,Vatanpour V

更新日期：2017-07-10 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：: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 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：:Peptides are still difficult to synthesize when they contain sterically hindered amino acids, such as α,α-disubstituted amino acids and N-substituted amino acids. In this study, solid-phase syntheses of oligopeptides containing multiple α-aminoisobutyric acid (Aib) residues were performed in high yields by using a non...

journal_title：ACS combinatorial science

authors： Hara RI,Mitsuhashi Y,Saito K,Maeda Y,Wada T

更新日期：2018-03-12 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

abstract：:A series of diverse polycyclic heterocycles containing spirooxindole, pyridine/thiophene, and pyrrolidine/pyrrolizidine/pyrrolothiazole rings have been synthesized through the 1,3-dipolar cycloaddition of azomethine ylides generated in situ by the condensation of dicarbonyl compounds (isatin or acenaphthenequinone) an...

journal_title：ACS combinatorial science

authors： Li J,Wang J,Xu Z,Zhu S

更新日期：2014-09-08 00:00:00

abstract：:We report the first example of venting-while-heating microwave-assisted synthesis of a small library of 3-arylthioindoles. Compounds were prepared in excellent isolated yields (90-98%) within 4 min in a closed vessel by treating indoles with disulfides in the presence of sodium hydride in anhydrous N,N-dimethylformami...

journal_title：ACS combinatorial science

authors： La Regina G,Gatti V,Famiglini V,Piscitelli F,Silvestri R

更新日期：2012-04-09 00:00:00

abstract：:A copper-catalyzed efficient one step three component strategy for preparing a library of aminoindolizino[8,7-b]indoles from N-substituted 1-formyl-9H-β-carbolines, secondary amines, and substituted alkynes with high atom economy has been developed. ...

journal_title：ACS combinatorial science

authors： Dighe SU,Hutait S,Batra S

更新日期：2012-12-10 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：: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：: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 present investigation reports an easy access to a library of novel spiro-oxindole-pyrrolizine or pyrrolo[1,2-c]thiazole fused coumarin hybrid heterocycles through a one-pot sequential four-component reactions of 2,2-dimethyl-1,3-dioxane-4,6-dione, salicylaldehydes, isatins, and cyclic α-amino acids under ultrasoun...

journal_title：ACS combinatorial science

authors： Kanchithalaivan S,Sumesh RV,Kumar RR

更新日期：2014-10-13 00:00:00

abstract：:Unfunctionalized alkylbiphenyls were fabricated by a parallel and combinatorial synthesis using pentaerythritol as a tetrapodal soluble support for a sulfonate-based traceless multifunctional linker system. Nickel N-heterocyclic carbene-catalyzed reactions of pentaerythritol tetrakis(biphenylsulfonate)s with primary a...

journal_title：ACS combinatorial science

authors： Kim WK,Jang JH,Jo H,Park K

更新日期：2014-05-12 00:00:00

abstract：:An efficient, three-component strategy for the improved synthesis of multifunctionalized 6,7-dihydrobenzofuran-4(5H)-ones under microwave irradiation in ethyl alcohol within short periods has been established. The synthesized benzofuran-4(5H)-ones have been readily converted into polyfunctionalized cinnoline-4-carboxa...

journal_title：ACS combinatorial science

authors： Ma GH,Tu XJ,Ning Y,Jiang B,Tu SJ

更新日期：2014-06-09 00:00:00

abstract：:We propose to minimize the sampling time for high-throughput measurements of powder X-ray diffraction (XRD) and X-ray absorption fine structure (XAFS) in synchrotron radiation. The conventional synchrotron radiation powder X-ray diffraction method requires filling of a capillary tube, but a structure-refining diffract...

journal_title：ACS combinatorial science

authors： Fujimoto K,Aimi A,Maruyama S

更新日期：2020-12-14 00:00:00

abstract：:A Fe-Co-Nb thin film materials library was deposited by combinatorial magnetron sputtering and investigated by high-throughput methods to identify new noncubic ferromagnetic phases, indicating that combinatorial experimentation is an efficient method to discover new ferromagnetic phases adequate for permanent magnet a...

journal_title：ACS combinatorial science

authors： Alexandrakis V,Wallisch W,Hamann S,Varvaro G,Fidler J,Ludwig A

更新日期：2015-11-09 00:00:00

abstract：:The possibility of band gap engineering in graphene opens countless new opportunities for application in nanoelectronics. In this work, the energy gaps of 622 computationally optimized graphene nanoflakes were mapped to topological autocorrelation vectors using machine learning techniques. Machine learning modeling re...

journal_title：ACS combinatorial science

authors： Fernandez M,Abreu JI,Shi H,Barnard AS

更新日期：2016-11-14 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 implemented an aldol-based "build/couple/pair" (B/C/P) strategy for the synthesis of stereochemically diverse 8-membered lactam and sultam scaffolds via S(N)Ar cycloetherification. Each scaffold contains two handles, an amine and aryl bromide, for solid-phase diversification via N-capping and Pd-mediated cross...

journal_title：ACS combinatorial science

authors： Gerard B,Duvall JR,Lowe JT,Murillo T,Wei J,Akella LB,Marcaurelle LA

更新日期：2011-07-11 00:00:00

abstract：:Combinatorial synthesis of Li-ion batteries has proven extremely powerful in screening complex compositional spaces for next-generation materials. To date, no Na-ion counterpart exists wherein Na-ion cathodes can be synthesized in such a way to be comparable to that obtained in bulk synthesis. Herein, we develop a syn...

journal_title：ACS combinatorial science

authors： Adhikari T,Hebert A,Adamič M,Yao J,Potts K,McCalla E

更新日期：2020-06-08 00:00:00

abstract：:Adleman's illustration of molecular computing using DNA paved the way toward an entirely new direction of computing (Adleman, L. M. Science 1994, 266, 1021). The exponential time complex combinatorial problem on a traditional computer turns out to be a separation problem involving a polynomial number of steps in DNA c...

journal_title：ACS combinatorial science

authors： Sharma D,Ramteke M

更新日期：2020-05-11 00:00:00

abstract：:This is a report on the early years of combinatorial materials science and technology. High-throughput technologies (HTTs) are found in life- and materials-science laboratories. Although HTTs have long been the standard in life sciences in academia as well as in industry, HTTs in materials science have become the stan...

journal_title：ACS combinatorial science

authors： Maier WF

更新日期：2019-06-10 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：:A novel three-component, two-step, one-pot nucleophilic aromatic substitution (SNAr)-intramolecular cyclization-Suzuki coupling reaction was developed for the synthesis of benzo[h][1,6]naphthyridin-2(1H)-ones (Torins). On the basis of the new efficiently convergent synthetic route, a library of Torin analogs was synth...

journal_title：ACS combinatorial science

authors： Li H,Sun W,Huang X,Lu X,Patel PR,Kim M,Orr MJ,Fisher RM,Tanaka TQ,McKew JC,Simeonov A,Sanderson PE,Zheng W,Williamson KC,Huang W

更新日期：2017-12-11 00:00:00

abstract：:A combination of MACOS scale-out and ROMP-derived oligomeric triazole phosphates (OTP(n)) have been successfully utilized for the preparation of a 106-member library of triazole containing benzothiaoxazepine-1,1-dioxides. This report demonstrates the utilization of a suite of soluble OTP(n) reagents for facile (triazo...

journal_title：ACS combinatorial science

authors： Faisal S,Ullah F,Maity PK,Rolfe A,Samarakoon TB,Porubsky P,Neuenswander B,Lushington GH,Basha FZ,Organ MG,Hanson PR

更新日期：2012-04-09 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：:A high throughput combinatorial synthesis utilizing inkjet printing of precursor inks was used to rapidly evaluate Bi-alloying into double perovskite oxides for enhanced visible light absorption. The fast visual screening of photo image scans of the library plates identifies 4-metal oxide compositions displaying an in...

journal_title：ACS combinatorial science

authors： Newhouse PF,Zhou L,Umehara M,Boyd DA,Soedarmadji E,Haber JA,Gregoire JM

更新日期：2020-12-14 00:00:00