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Asymmetric synthesis of furan and oxindole derivatives with bifunctional and multifunctional organic catalysts

Asymmetric synthesis of furan and oxindole derivatives with bifunctional and multifunctional organic catalysts

Asymmetric synthesis of furan and oxindole derivatives with bifunctional and multifunctional organic catalysts

... development of asymmetric synthesis of furan and oxindole derivatives with tertiary amine thiourea organocatalysts, including enantioselective synthesis of 3(2H)-furanones and 2,3-dihydrofurans with ... ASYMMETRIC SYNTHESIS OF FURAN AND OXINDOLE DERIVATIVES WITH BIFUNCTIONAL AND MULTIFUNCTIONAL ORGANIC CATALYSTS DOU XIAOWEI (B.Sc., Nanjing Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF ... derived bifunctional catalysts, asymmetric formation of 3-spirocyclopropyl2-oxindoles and 3-heteroatom-substituted-oxindoles with L-threonine-incorporating multifunctional catalysts, and a quinine-derived...
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Direct asymmetric vinylogous reactions of furanones and phthalide derivatives with bifunctional and trifunctional organocatalysts

Direct asymmetric vinylogous reactions of furanones and phthalide derivatives with bifunctional and trifunctional organocatalysts

... Direct Asymmetric Vinylogous Reactions of Furanones and Phthalide Derivatives with Bifunctional and Trifunctional Organocatalysts Luo Jie (BSc, Zhejiang ... development of direct enantioselective vinylogous reaction of furanones and phthalide derivatives with bifunctional and trifunctional organocatalysis Chapter presents a brief historical background and ... Analytical data of vinylogous mannich adducts 103 Chapter Highly Diastereoselective and Enantioselective Direct Vinylogous Michael Addition of Phthalide Derivatives 4.1 Introduction 118 4.2 Vinylogous...
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Báo cáo hóa học:

Báo cáo hóa học: " A Facile Synthesis of Polypyrrole/Carbon Nanotube Composites with Ultrathin, Uniform and Thickness-Tunable Polypyrrole Shells" ppt

... doi:10.1186/1556-276X-6-431 Cite this article as: Zhang et al.: A Facile Synthesis of Polypyrrole/ Carbon Nanotube Composites with Ultrathin, Uniform and ThicknessTunable Polypyrrole Shells Nanoscale Research Letters ... Endo M, Kim YA, Ezaka M, Osada K, Yanagisawa T, Hayashi T, Terrones M, Dresselhaus MS: Selective and efficient impregnation of metal nanoparticles on cup-stacked-type carbon nanofibers Nano Lett ... http://www.nanoscalereslett.com/content/6/1/431 be smooth and uniform, and no agglomerations or irregular nanoparticles of polymer are found The various ratio of ethanol and acid solution as the reaction...
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báo cáo khoa học:

báo cáo khoa học: " Integrated programs for women with substance use issues and their children: a qualitative meta-synthesis of processes and outcomes" potx

... manually searched relevant journals in the area (Journal of Substance Abuse Treatment, Journal of Substance Use, Substance Use and Misuse, Journal of Psychoactive Drugs, Addiction, Journal of ... participating in integrated treatment programs from women' s perspectives, a synthesis of these qualitative data is required Meta-analyses of quantitative data and qualitative metasyntheses share many ... associated with integrated intervention programs for women with substance use issues and their children was conducted simultaneously for a quantitative meta-analysis and the qualitative metasynthesis...
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hydrothermal synthesis of na2ti6o13 and tio2 whiskers

hydrothermal synthesis of na2ti6o13 and tio2 whiskers

... PRESS D.-S Seo et al / Journal of Crystal Growth 275 (2005) e2371–e2376 e2375 Fig EDS patterns of (a) Na2Ti6O13 whiskers, (b) TiO2 whiskers and (c) XRD pattern of TiO2 whiskers different crystalline ... microstructure of the acidtreated TiO2 powder TiO2 whiskers, 100–200 nm in diameter and 5–10 mm in length, could be obtained from the Na2Ti6O13 whiskers TiO2 whiskers had quite a smooth and clean ... has focused on the synthesis of sodium titanate (Na2Ti6O13) whiskers by hydrothermal treatment using spherical anatase-typed TiO2 powder, and also on the preparation of TiO2 whiskers by extracting...
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synthesis of bundled tungsten oxide nanowires with controllable morphology

synthesis of bundled tungsten oxide nanowires with controllable morphology

... and (b) HRTEM images of bundled tungsten oxide nanowires synthesized at a concentration of 0.003 M; (c) TEM of bundled tungsten oxide nanowires synthesized at a concentration of 0.005 M Inset in ... supersaturation of the tungsten source, promoting the growth of tungsten oxide nanowires [11] At higher concentration, the highly saturated WCl6 could prohibit the growth of tungsten oxide nanowires ... to 0.21 cc/g) with increasing concentration, which in turn resulted in the decreased specific surface area Conclusion In summary, bundled tungsten oxide nanowires with controllable morphology were...
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SYNTHESIS OF CDTE AND PBS SEMICONDUCTOR QUANTUM DOTS AND

SYNTHESIS OF CDTE AND PBS SEMICONDUCTOR QUANTUM DOTS AND

... soluble CdTe quantum dots 13 2.3.1.1 TGA stabilized CdTe quantum dots 14 2.3.1.2 L-Cysteine stabilized CdTe quantum dots 14 2.3.1.3 CA stabilized CdTe quantum dots 14 2.3.2 Synthesis ... ABSTRACT SYNTHESIS OF CDTE AND PBS SEMICONDUCTOR QUANTUM DOTS AND THEIR BIOLOGICAL AND PHOTOCHEMICAL APPLICATIONS Xing Zhang, M.S The University of Texas at Arlington, 2010 Supervising Professor: ... the synthesis of highly luminescent water soluble, CdTe quantum dots, their near infrared counterpart HgxCd1-xTe and application such as using CdTe quantum dots for the quantitative analysis of...
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Báo cáo hóa học:

Báo cáo hóa học: "Synthesis of YVO4:Eu3+/YBO3 Heteronanostructures with Enhanced Photoluminescence Properties" pptx

... phosphors with core/shell heterostructures The YBO3 shell ratio is a critical factor in photoluminescence enhancement of the heteronanostructures Figure shows the plot of change of PL intensity of the ... image of a single particle of the heteronanostructures (SR = 1/2) Interestingly, two lattice fringes of different spacing appear in a single nanoparticle The lattice fringes with a d-spacing of ... efficiency of the heteronanostructures When SR = 1/7, the heteronanostructures exhibit the highest PL efficiency, whose photoluminescence intensity of the D0–7F2 emission is 27% higher than that of the...
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Báo cáo hóa học:

Báo cáo hóa học: " Synthesis of Polymer Grafted Magnetite Nanoparticle with the Highest Grafting Density via Controlled Radical Polymerization" docx

... surface coating of the polymer chains on the surface of the particles The thickness of the grafted polymer layer increases with increasing polymerization time for a controlled radical polymerization, ... enabling the facile synthesis of a wide variety of hybrid materials [34, 37] The synthesis of polystyrene grafted MN nanoparticles, without the addition of sacrificial initiator is reported in the ... which indicated that the molecular weight of the degrafted PS on the surfaces of magnetite can be controlled relatively by the ATRP approach On the other hand, the PDI of the degrafted PS is considerably...
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Báo cáo hóa học:

Báo cáo hóa học: " Simple Systematic Synthesis of Periodic Mesoporous Organosilica Nanoparticles with Adjustable Aspect Ratios" pot

... cases Recently, we described the first example of a periodic mesoporous organosilica with very uniform riceshaped nanoparticles having aspect ratios of ca 3:1 The PMO was prepared using the organosilane ... formation of the one-dimensional periodic mesoporous organosilica particles The concentration dependence of the aspect ratio becomes plausible when considering that the nucleation of new particles ... used for the synthesis of the periodic mesoporous organosilica (PMO) nanostructures Octaethoxy-1,3,5-trisilapentane (Gelest, Inc.) was used as the organosilica source For a typical synthesis, to...
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Báo cáo y học:

Báo cáo y học: "A knowledge synthesis of patient and public involvement in clinical practice guidelines: study protocol" doc

... framework: Patients and public involvement programs in clinical practice guidelines development and implementaFigure tion Conceptual framework: Patients and public involvement programs in clinical practice ... underpinnings of this knowledge synthesis We conceptualize a patient and public involvement program as an intervention that influences CPGs development and, indirectly, its implementation in clinical ... could play in CPGs development and implementation is increasingly attracting the attention of policymakers, health professionals, patients, and the public The grey zone of decision making Clinical...
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báo cáo khoa học:

báo cáo khoa học: " A knowledge synthesis of patient and public involvement in clinical practice guidelines: study protocol" ppsx

... The main decision-makers and stakeholders of this knowledge synthesis are patients, public, government, and health professional organizations in Canada and abroad that are interested in, or affected ... Medical Association, in its 2007 handbook on clinical practice guidelines, notes that patient and public involvement is 'increasingly common (and desirable) to gain input from non-health professionals ... these initiatives, major organizations in Canada have started to call for a CPGs development process that will engage patients and the public in a more meaningful and effective way The Canadian...
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Design and synthesis of cysmethynil and analogues as inhibitors of isoprenylcysteine carboxyl methyltransferase (ICMT)

Design and synthesis of cysmethynil and analogues as inhibitors of isoprenylcysteine carboxyl methyltransferase (ICMT)

... Wang M, Casey PJ Amino derivatives of indole as potent inhibitors of isoprenylcysteine carboxyl methyltransferase (Icmt) v TABLE OF CONTENTS ACKNOWLEDGEMENT .ii CONFERENCES AND PUBLICATIONS ... Analogues of cysmethynil demonstrate improved isoprenylcysteine carboxyl methyltransferase (Icmt) inhibition activity and antiproliferative activity in PC3 prostate cancer and MDA-MB-231 breast ... Gorla SK, Go ML, Wang M, Casey PJ Analogues of the Isoprenylcysteine Carboxylmethyltransferase Inhibitor Cysmethynil With Improved Antiproliferative Activity Against Breast and Prostate Cancer Cells...
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