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Michael H Weber - One of the best experts on this subject based on the ideXlab platform.
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pedagogical comparison of five reactions performed under microwave heating in multi mode versus mono mode ovens diels alder cycloaddition wittig salt formation e2 dehydrohalogenation to form an alkyne williamson ether synthesis and fischer esterifica
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...
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Pedagogical Comparison of Five Reactions Performed under Microwave Heating in Multi-Mode versus Mono-Mode Ovens: Diels–Alder Cycloaddition, Wittig Salt Formation, E2 Dehydrohalogenation To Form an Alkyne, Williamson Ether Synthesis, and Fischer Ester
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...
Marsha R Baar - One of the best experts on this subject based on the ideXlab platform.
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pedagogical comparison of five reactions performed under microwave heating in multi mode versus mono mode ovens diels alder cycloaddition wittig salt formation e2 dehydrohalogenation to form an alkyne williamson ether synthesis and fischer esterifica
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...
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Pedagogical Comparison of Five Reactions Performed under Microwave Heating in Multi-Mode versus Mono-Mode Ovens: Diels–Alder Cycloaddition, Wittig Salt Formation, E2 Dehydrohalogenation To Form an Alkyne, Williamson Ether Synthesis, and Fischer Ester
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...
Aly R. Seadawy - One of the best experts on this subject based on the ideXlab platform.
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Structures of exact and solitary optical solutions for the higher-order nonlinear Schrödinger equation and its applications in Mono-Mode optical fibers
Modern Physics Letters B, 2019Co-Authors: Aly R. Seadawy, Mostafa M. A. KhaterAbstract:In this research, we give a new structure of solutions for the higher-order nonlinear Schrodinger equation and its applications to Mono-Mode optical fibers. To achieve this, we implement two recent...
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Study of optical soliton fibers with power law model by means of higher-order nonlinear Schrödinger dynamical system
Results in Physics, 2019Co-Authors: Z. Alamri, Aly R. Seadawy, Haya M. Al-sharariAbstract:Abstract In this paper, the higher-order nonlinear Schrodinger equation (NLSE) represents description of the propagation of short light pulses in Mono-Mode optical fibers. The optical solitons and solitary wave solutions of higher-order nonlinear Schrodinger equation Mono-Mode optical fibers are organized by apply the modified simple equation method to get the exact solutions and possibility of given this solution graphically at a given moment. This solutions help the researchers to study the physical properties of this model and its applications. There are many different types of models that we find in applied science that can be solved by this effective and reliable method. This method can be effective and successful in solving and understanding many of the problems of higher-order non-linear in the various fields of research and advanced.
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Modulation stability and dispersive optical soliton solutions of higher order nonlinear Schrödinger equation and its applications in Mono-Mode optical fibers
Superlattices and Microstructures, 2018Co-Authors: Muhammad Arshad, Aly R. SeadawyAbstract:Abstract In Mono-Mode optical fibers, the higher order non-linear Schrodinger equation (NLSE) describes the propagation of enormously short light pulses. We constructed optical solitons and, solitary wave solutions of higher order NLSE Mono-Mode optical fibers via employing modified extended mapping method which has important applications in Mathematics and physics. Furthermore, the formation conditions are also given on parameters in which optical bright and dark solitons can exist for this media. The moment of the obtained solutions are also given graphically, that helps to realize the physical phenomena's of this model. The modulation instability analysis is utilized to discuss the model stability, which verifies that all obtained solutions are exact and stable. Many other such types of models arising in applied sciences can also be solved by this reliable, powerful and effective method. The method can also be functional to other sorts of higher order nonlinear problems in contemporary areas of research.
Jonathan Shikora - One of the best experts on this subject based on the ideXlab platform.
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pedagogical comparison of five reactions performed under microwave heating in multi mode versus mono mode ovens diels alder cycloaddition wittig salt formation e2 dehydrohalogenation to form an alkyne williamson ether synthesis and fischer esterifica
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...
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Pedagogical Comparison of Five Reactions Performed under Microwave Heating in Multi-Mode versus Mono-Mode Ovens: Diels–Alder Cycloaddition, Wittig Salt Formation, E2 Dehydrohalogenation To Form an Alkyne, Williamson Ether Synthesis, and Fischer Ester
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...
William Gammerdinger - One of the best experts on this subject based on the ideXlab platform.
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pedagogical comparison of five reactions performed under microwave heating in multi mode versus mono mode ovens diels alder cycloaddition wittig salt formation e2 dehydrohalogenation to form an alkyne williamson ether synthesis and fischer esterifica
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...
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Pedagogical Comparison of Five Reactions Performed under Microwave Heating in Multi-Mode versus Mono-Mode Ovens: Diels–Alder Cycloaddition, Wittig Salt Formation, E2 Dehydrohalogenation To Form an Alkyne, Williamson Ether Synthesis, and Fischer Ester
Journal of Chemical Education, 2014Co-Authors: Marsha R Baar, William Gammerdinger, Jennifer Leap, Erin Morales, Jonathan Shikora, Michael H WeberAbstract:Five reactions were rate-accelerated relative to the standard reflux workup in both multi-mode and Mono-Mode microwave ovens, and the results were compared to determine whether the sequential processing of a Mono-Mode unit could provide for better lab logistics and pedagogy. Conditions were optimized so that yields matched in both types of microwave ovens for a Diels–Alder cycloaddition, Wittig salt formation, Fischer esterifications, an E2 alkyne formation, and Williamson ether synthesis. Typically, a 10-fold rate acceleration was observed under Mono-Mode heating versus multi-mode heating, reducing the total run-time between 1.5 and 3.0 min per sample, which rivals the batch run-time of a multi-mode unit in ∼16 student lab sections. Thus, the Mono-Mode microwave oven required a similar quantity of total reaction time in the lab, allowing students to run their experiments individually with less wait-time, competition for chemicals, equipment, and instrumentation and to complete the experiments in the lab ...