Enantioselective additions of fluorocarbon nucleophiles using bifunctional organic catalysts

... ENANTIOSELECTIVE ADDITIONS OF FLUOROCARBON NUCLEOPHILES USING BIFUNCTIONAL ORGANIC CATALYSTS HAN XIAO (BSc Soochow Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... This thesis describes development of enantioselective additions of fluorocarbon nucleophiles using bifunctional organic catalysts A brief historic overview of asymmetr...

Ngày tải lên: 11/09/2015, 10:00

... DEVELOPMENT OF ENANTIOSELECTIVE SYNTHETIC METHODS PROMOTED BY PRIMARY AMINE- BASED ORGANIC CATALYSTS LIU CHEN (BSc Zhejiang Univ.) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY ... This thesis describes the development of enantioselective synthetic methods promoted by primary amine- based organic catalysts Chapter provides a brief...

Ngày tải lên: 10/09/2015, 08:23

... 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 U...

Ngày tải lên: 10/09/2015, 09:06

... thoracotomy by using a hyaluronate-based absorbable membran in rats [6] Also, Getman et al achieved the same effect by using haemostatic membrane [7] The present study investigates the efficacy of ... Use of Laboratory Animals Statistical analysis The results were recorded by the principal investigator and analyzed statistically upon completion of the study The statistical analy...

Ngày tải lên: 25/10/2012, 11:00

... in one-pass solar detoxification system (Pacheco et al., 1993) and contaminated surface water can be treated in a UV concentrating radiation System (Yves et al., 1996) In this process, major toxic ... Figure Schematic diagram of photocatalytic solar reactor - 39 - The dark reaction was initially carried out by injecting a sampling of TCE into the slurry of TiO2...

Ngày tải lên: 05/09/2013, 08:40

... within the interstices of the filter bed media which provided increased adsorption surfaces and mechanical straining as well Organic matter causes chemical leaching of arsenic in AIRU The leaching ... leaching of arsenic and iron in the presence of organic matter in AIRU feed water was investigated under dosage -response observations in multiple sets of la...

Ngày tải lên: 05/09/2013, 09:38

... tea, coffee and sand etc Collected waste plastic cut into small pieces manually with scissor for reactor setup 2.2 Experimental process Polystyrene waste plastic to aviation or kerosene grade fuel ... Manager waste plastic to fuel conversion process and save the environment field He is co-author of several publications about waste plastic to fuel related jo...

Ngày tải lên: 05/09/2013, 15:28

... the buildings It is the new way to design the smart buildings with light weight by incorporating the PCMs inside the hollow cavity of brick Environment Friendly Cooling of building using phase change ... benefits remain uncertain, especially for the residential sector This study investigates the potential of using PCM for thermal heat storage in building facade...

Ngày tải lên: 05/09/2013, 17:03

... Equivalent circuits of series compensated induction motor for system frequency and self-excited frequency Oscillating current waveforms because of self-excitation of induction motor by MERS with open ... SELF-EXCITATION OF SERIES COMPENSATED INDUCTION MOTOR It is well known that series compensation of induction motor may cause some unstable situations[6] Since MER...

Ngày tải lên: 15/10/2013, 16:10

... magnitude of the sensitivity-function is made arbitrarily small 1.8 CONTROL SYSTEM ANALYSIS AND DESIGN OBJECTIVES Control systems engineering consists of analysis and design of control systems ... control systems Some of the terms commonly used to describe the operation, analysis, and design of control systems are presented 1.2 CONTROL SYSTEMS...

Ngày tải lên: 01/01/2014, 18:43

... perturbation method, the Neumann expansion series, or a projection on homogeneous chaos But all of these methods consider stochastic variables for which the density of probability is known (Gaussian ... the Interval Computations Applied to FEM amount of computations on simple discrete systems, as well as the accuracy of the solutions RESOLUTION OF INTERVAL LINEAR SYS...

Ngày tải lên: 12/01/2014, 21:45

... wing is shown in the Figure below Save the model Go to Pro/MECHANICA, assign aluminum as the wing material, and fix the largest end of cross section Run the modal analysis, and obtain modes of ... material, and fix the largest end of cross section Run the modal analysis, and obtain modes of vibration

Ngày tải lên: 19/01/2014, 05:20

... (PREDict MUTants) , was developed for prediction of the severity of p53 mutants The method was trained on a set of known mutants and subsequently evaluated on another set The method is based on parameters ... À yÞ2 where x and y are values from the two parameters measured, and x and y are the mean values for the respective parameters Thermally sens...

Ngày tải lên: 18/02/2014, 11:20

... 92.50 92.32 Table 3: Tagging accuracies of all tokens (in %) Models D and G indicate domain-specific and generalized models, respectively and Model S indicates the dynamic model selection approach ... The dynamic model selection approach (Model S) shows the most robust results across genres, although Models D and G still can perform Some semi-supervised and domain-adap...

Ngày tải lên: 19/02/2014, 19:20