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Showing 1-30 of 33 results for "184497" within Papers
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
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
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
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
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)
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
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
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
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)
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)
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
Chemical synthesis of heterocyclic-sugar nucleoside analogues.
Giovanni Romeo et al.
Chemical reviews, 110(6), 3337-3370 (2010-03-18)
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
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.
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
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
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
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
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
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
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
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
1, 3-Dioxolane: A green solvent for the preparation of carbon nanotube-modified electrodes.
Moscoso R, et al.
Electrochemical Communications, 48, 69-72 (2014)
Peter Weidner et al.
Journal of mass spectrometry : JMS, 55(9), e4522-e4522 (2020-06-09)
The dissociative photoionization of 1,3-dioxolane was studied by photoelectron photoion coincidence (PEPICO) spectroscopy in the photon energy range of 9.5-13.5 eV. Our statistical thermodynamics model shows that a total of six dissociation channels are involved in the formation of three
Enhanced electrochemical performance of a crosslinked polyaniline-coated graphene oxide-sulfur composite for rechargeable lithium-sulfur batteries.
Moon S, et al.
Journal of Power Sources, 294, 386-392 (2015)
Daisuke Ono et al.
Journal of oleo science, 60(3), 145-151 (2011-02-24)
Poly(butyl methacrylate) and polystyrene were synthesized by emulsion polymerization using chemocleavable anionic surfactants (1a and 2a) derived from 1-O-alkylglycerols in order to resolve the problem that it is generally difficult to isolate the desired product from persistent emulsions. It has
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
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