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Showing 1-30 of 33 results for "271020" within Papers
Chemical synthesis of heterocyclic-sugar nucleoside analogues.
Giovanni Romeo et al.
Chemical reviews, 110(6), 3337-3370 (2010-03-18)
Claudia Sorbi et al.
ChemMedChem, 4(3), 393-399 (2009-01-20)
Conformational restriction of naftopidil proved to be compatible with binding at alpha(1) adrenoceptor subtypes and 5-HT receptor 1A (5-HT(1A)), and led to the discovery of a new class of ligands with a 1,3-dioxolane (1,3-oxathiolane, 1,3-dithiolane) structure. Compound 7 shows the
Soumyadip Choudhury et al.
ACS nano, 9(6), 6147-6157 (2015-05-28)
This study reports on a facile approach to the fabrication of nanoporous carbon cathodes for lithium sulfur batteries using gyroid carbon replicas based on use of polystyrene-poly-4-vinylpyridine (PS-P4VP) block copolymers as sacrificial templates. The free-standing gyroid carbon network with a
Reaction of C60 with Dimethyldioxirane-Formation of an Epoxide and a 1, 3-Dioxolane Derivative.
Elemes Y, et al.
Angewandte Chemie (International Edition in English), 31(3), 351-353 (1992)
Deepak Ekka et al.
The journal of physical chemistry. B, 116(38), 11687-11694 (2012-09-04)
Precise measurements on electrical conductance (Λ) of solutions of an ionic liquid (IL) tetrabutylphosphonium tetrafluoroborate in acetonitrile (ACN), tetrahydrofuran (THF), and 1,3-dioxolane (1,3-DO) and their binary mixtures have been reported at 298.15 K. The conductance data have been analyzed by
1, 3-Dioxolane, tetrahydrofuran, acetylacetone and dimethyl sulfoxide as solvents for non-aqueous vanadium acetylacetonate redox-flow-batteries.
Herr T, et al.
Electrochimica Acta, 113, 127-133 (2013)
Binary electrolyte based on tetra (ethylene glycol) dimethyl ether and 1, 3-dioxolane for lithium-sulfur battery.
Chang DR, et al.
Journal of Power Sources, 112(2), 452-460 (2002)
Silvia Franchini et al.
European journal of medicinal chemistry, 45(9), 3740-3751 (2010-07-08)
A series of 1,3-dioxolane-based compounds incorporating a lactam (2-4) or imide (5-7) moiety was synthesized and the pharmacological profile at alpha(1)-adrenoceptor subtypes and 5-HT(1A) receptor was assessed through binding and functional experiments. Starting from the 2,2-diphenyl-1,3-dioxolane derivative 1, previously shown
Youhoon Chong et al.
Antiviral research, 63(1), 7-13 (2004-06-16)
The mutation and resultant adaptability of HIV-1 reverse transcriptase (RT) present a major challenge to the design of the effective antiviral strategies because many initially potent drugs lose efficacy over time. Even though there is an urgent need for a
One-step synthesis of 2-alkyl-dioxolanes from ethylene glycol and syngas.
Xiao-Bing Fan et al.
ChemSusChem, 2(10), 941-943 (2009-10-01)
Xiaobing Yang et al.
The Journal of organic chemistry, 73(7), 2518-2526 (2008-03-14)
The epoxide moiety in the fullerene-mixed peroxide C60(O)(OOtBu)4 1 reacts readily with aryl isocyanates ArNCS (Ar = Ph, Naph) to form both the thiirane derivative C60(S)(OOtBu)4 and fullerene-fused tetrahydrothiazolidin-2-one. The reaction of 1 with trimethylsilyl isothiocyanate TMSNCS yields the isothiocyanate
Dong Zhou et al.
Nuclear medicine and biology, 35(6), 655-663 (2008-08-06)
Progesterone receptors (PRs) are present in many breast tumors, and their levels are increased by certain endocrine therapies. They can be used as targets for diagnostic imaging and radiotherapy. 16alpha,17alpha-[(R)-1'-alpha-(5-[(76)Br]Bromofurylmethylidene)dioxyl]-21-hydroxy-19-norpregn-4-ene-3,20-dione ([(76)Br]16alpha,17alpha-[(R)-1'-alpha-(5-bromofurylmethylidene)dioxyl]-21-hydroxy-19-norpregn-4-ene-3,20-dione (3)), a PR ligand with relative binding affinity (RBA)=65
Javier Gomez del Rio et al.
Journal of colloid and interface science, 352(2), 424-435 (2010-10-01)
Partition coefficients for a pH-degradable 1,3-dioxolane alkyl ethoxylate surfactant, 4-CH(3)O (CH(2)CH(2)O)(5.6)-CH(2), 2,2-(CH(2))(12)CH(3), 2-(CH(2)) CH(3), 1,3-dioxolane or "cyclic ketal" surfactant, CK-2,13-E(5.6,ave), between isooctane- and water-rich phases of 2- and 3-phase microemulsion systems (K(n)) were determined as functions of the ethoxylate size
Lukas J Goossen et al.
The Journal of organic chemistry, 73(21), 8631-8634 (2008-10-23)
An efficient synthesis of the angiotensin II receptor antagonist telmisartan is presented involving a decarboxylative cross-coupling of isopropyl phthalate (1) with 2-(4-chlorophenyl)-1,3-dioxolane (2c) as the key step (85% yield). The benzimidazole moiety is constructed regioselectively via a reductive amination-condensation sequence
Chi-Chi Peng et al.
Drug metabolism and disposition: the biological fate of chemicals, 40(3), 426-435 (2011-11-23)
Itraconazole (ITZ) is a mixture of four cis-stereoisomers that inhibit CYP3A4 potently and coordinate CYP3A4 heme via the triazole nitrogen. However, (2R,4S,2'R)-ITZ and (2R,4S,2'S)-ITZ also undergo stereoselective sequential metabolism by CYP3A4 at a site distant from the triazole ring to
Abdul Rehman et al.
Bioorganic & medicinal chemistry letters, 20(18), 5514-5520 (2010-08-14)
A novel set of compounds with a 1,3-dioxolane ring which acts as a proline bioisostere have been successfully designed as VLA-4 receptor antagonists. Compounds (18e), (28j), and (35g) were shown to have high receptor affinities.
Hoon Kim et al.
Nature communications, 6, 7278-7278 (2015-06-13)
Elemental sulfur is one of the most attractive cathode active materials in lithium batteries because of its high theoretical specific capacity. Despite the positive aspect, lithium-sulfur batteries have suffered from severe capacity fading and limited rate capability. Here we report
Vinodkumar Etacheri et al.
Langmuir : the ACS journal of surfaces and colloids, 28(14), 6175-6184 (2012-03-21)
The effect of 1,3-dioxolane (DOL) based electrolyte solutions (DOL/LiTFSI and DOL/LiTFSI-LiNO(3)) on the electrochemical performance and surface chemistry of silicon nanowire (SiNW) anodes was systematically investigated. SiNWs exhibited an exceptional electrochemical performance in DOL solutions in contrast to standard alkyl
Jiangfeng Qian et al.
Nature communications, 6, 6362-6362 (2015-02-24)
Lithium metal is an ideal battery anode. However, dendrite growth and limited Coulombic efficiency during cycling have prevented its practical application in rechargeable batteries. Herein, we report that the use of highly concentrated electrolytes composed of ether solvents and the
Jinfa Du et al.
Nucleosides, nucleotides & nucleic acids, 24(8), 1209-1214 (2005-11-08)
Novel racemic, D- and L-beta-dioxolane N4-hydroxycytosine nucleosides have been synthesized and evaluated for their activity against hepatitis B virus. None of the synthesized nucleosides demonstrated selective anti-HBV activity.
Liang-Zhong Xu et al.
Molecules (Basel, Switzerland), 9(11), 913-921 (2007-11-17)
Thirteen new triazoles containing 1,3-dioxolane rings were synthesized and their identities confirmed by means of IR, NMR, MS, elemental analysis and X-ray crystallography. The results of preliminary biological tests show that all of these compounds possess some fungicidal and plant
Zsolt Jakab et al.
Carbohydrate research, 344(18), 2444-2453 (2009-11-03)
Dioxane-type (9'-anthracenyl)methylene acetal of methyl 2,3-di-O-methyl-alpha-D-glucopyranoside was cleaved with LiAlH(4)/AlCl(3) (3:1) or with Na(CN)BH(3)-HCl regioselectively to provide the 4- or 6-O-(9'-anthracenyl)methyl ether, respectively. Hydrogenolytic reaction of the exo and endo isomers of dioxolane-type acetals proved to be directed by the
Hideki Miyatake-Ondozabal et al.
Organic letters, 12(23), 5573-5575 (2010-11-12)
The biomimetic total synthesis of LL-Z1640-2 (3) is reported without the use of phenol protection. The aromatic unit was constructed via the transannular aromatization of macrocyclic triketo-ester 2, which in turn was synthesized by macrolactonization using an intramolecular trapping of
Johan Lennerstrand et al.
Antimicrobial agents and chemotherapy, 51(6), 2078-2084 (2007-04-04)
A large panel of drug-resistant mutants of human immunodeficiency virus type 1 reverse transcriptase (RT) was used to study the mechanisms of resistance to 1-(beta-d-dioxolane)thymine triphosphate (DOT-TP) and other nucleotide analogs. RT containing thymidine analog-associated mutations (TAM) or RT with
Benjamin L Wegenhart et al.
Inorganic chemistry, 49(11), 4741-4743 (2010-05-06)
Low catalyst loading of a cationic oxorhenium(V) oxazoline complex, [2-(2'-hydroxyphenyl)-2-oxazolinato(-2)]oxorhenium(v), condenses diols and aldehydes to give 1,3-dioxolanes in excellent yields under neat conditions and reasonably mild temperatures. The reaction is applicable to biomass-derived furfural and glycerol. The resulting cyclic acetals
1, 3-Dioxolane: A green solvent for the preparation of carbon nanotube-modified electrodes.
Moscoso R, et al.
Electrochemical Communications, 48, 69-72 (2014)
Jason Z Vlahakis et al.
Bioorganic & medicinal chemistry letters, 16(9), 2396-2406 (2006-02-24)
A series of imidazole-dioxolane compounds, which we hypothesize should bind to heme and thus interfere with heme catabolism in the parasite, were assayed for inhibitory activity in Plasmodium falciparum cultures and the results were compared to those obtained with Chinese
Mohammed A Ali et al.
Journal of medicinal chemistry, 48(18), 5655-5658 (2005-09-02)
The de novo molecular design program SPROUT has been used in conjunction with a molecular model to produce a molecular template for a new class of NK(2) receptor antagonist. An efficient, stereocontrolled synthesis of a small series of molecules, designed
Benito Alcaide et al.
The Journal of organic chemistry, 78(18), 8956-8965 (2013-09-07)
The gold-catalyzed preparation of 2-azetidinone-fused oxacycles was accomplished from β-lactam-linked enynes through heterocyclization reaction taking advantage of the acetonide pendant group. While the synthesis of fused tetrahydrofuran-β-lactams from 1,3-enynes could be considered as an unusual metal-catalyzed cyclization of enynols, α-alkoxy
Matthias Schmidt et al.
Bioorganic & medicinal chemistry, 15(6), 2283-2297 (2007-02-06)
Multidrug resistance (MDR) to antitumor agents represents a major obstacle to a successful chemotherapy of cancer. Overexpression of P-glycoprotein (p-gp) seems to be the major factor responsible for MDR. A large number of chemically unrelated compounds are known to interact
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