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Microwaves have been for their ability to heat water and food rapidly. And thanks to scientific technology and global marketing, the microwave oven was invented and got widely used in 1970's and 1980's. . Microwave radiation has specific characteristics: is an electromagnetic waves that contains an electric magnetic component. As electromagnetic radiation, it can move in the vacuum as light speed, it has no mass, and cannot collide with each other; the most important property of microwave is it can generate energy. Recently more and more scientists are using microwave machines as heating sources due to its high efficient in heating solutions. Claisen rearrangements are long-established, well-understood reactions that have proved highly utilitarian in the area of synthetic organic chemistry. In particular, the Claisen and related Cope rearrangements provide a stereo-specific method of carbon-carbon bond formation through a concerted [3,3]-sigmatropic shift. In this study, this reaction is chosen to show the microwave enhancement in heterogeneous catalysis and chaperone effect. The constant temperature reaction method is used in the microwave reactions that helps to compare to the thermal reactions with the corresponding temperature. In chaperone reactions, constant power is used based on its high effect on microwave radiation absorption and the temperature stabilization.
A Dissertation submitted to the Department of Chemistry and Biochemistry in partial fulfillment of the Doctor of Philosophy.
Includes bibliographical references.
Albert E. Stiegman, Professor Directing Dissertation; William M. Landing, University Representative; Geoffrey F. Strouse, Committee Member; John G. Dorsey, Committee Member.
Florida State University
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