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Synthesis of furanoeremophilane sesquiterpenoids

Creator:: Shanmugham, Meenakshi Sundaram
Abstract:: Two approaches to the tricyclic core of the furanoeremophilane sesquiterpenoids are described. The first approach entails a projected Diels-Alder/retro Diels-Alder reaction of an acetylenic oxazole 64. Construction of the pivotal aldehyde 67 commenced from ketone 68. The acetyenic moiety was then introduced via a Felkin-Ahn addition of lithiopropyne to aldehyde...
Resource Type:: Dissertation
Full Text:: , Barton Phillips, Laura Quaranta, Sigrid Quay, Keith Schwartz, Guoqiang Wang, Wolfgang Wenger, Qing Xu

Studies toward the total synthesis of sanglifehrin A

Creator:: Suttisintong, Khomson
Abstract:: Studies toward synthesis of subunits of sanglifehrin A, an immunosuppressant featuring a highly substituted [5,5]-spirolactam moiety as well as a 22-membered macrocycle are described. The macrolactone contains a peptidic backbone characterized by an unusual [beta]-substituted (S)-piperazic acid and (S)-m-hydroxyphenylalanine units. These studies resulted in the synthesis of advanced intermediate 358...
Resource Type:: Dissertation
Full Text:: to thank all past and present members of the White research group, especially Keith Schwartz and

High-resolution X-ray photoelectron spectroscopy of CO₂ and other small molecules

Creator:: Hahne, Jeffrey A.
Abstract:: The carbon is photoelectron spectrum of CO₂ has been measured with very high photon energy resolution. The natural lifetime of the carbon is hole state has been determined from a series of spectra taken at photon energies of 308, 320, and 330 eV. The measured values of the lifetimes show...
Resource Type:: Masters Thesis

High resolution spectroscopy of metal borohydrides

Creator:: Al-Kahtani, Abdullah A.
Resource Type:: Dissertation
Full Text:: Arabian Ministry of Higher Education (King Saud University) for the financial support I have received

Synthesis and characterization of new optical frequency converters and phosphor hosts

Creator:: Akella, Annapoorna
Resource Type:: Dissertation

Fiber optic sensors and spectrometry for the detection of volatile gem-polyhalogenated hydrocarbons

Creator:: Louch, Jeff
Abstract:: A fiber optic fluorometer utilizing a double-fiber optic probe was constructed. The absolute fluorescence signal and effective collection efficiency are approximately one fifth those of typical cuvette fluorometers and agree with those predicted by theory. A quinine sulfate calibration curve shows linearity from a detection limit of 10 pg/mL to...
Resource Type:: Dissertation
Full Text:: , Ballantine Books, New York, 1980. 2. Leenheer, J.A. in Minear, R.A. and Keith, L.H., Editors, "Water

Characterization and applications of polyphenol chemiluminescence reactions and flow cell instrumentation

Creator:: Miller, Robert J. (Robert James), 1933-
Resource Type:: Dissertation

Determination of chlorinated hydrocarbons by response factor calibration

Creator:: Ramus, Terry Lee
Resource Type:: Dissertation

X-ray structure studies of oriented phospholipid multilayers

Creator:: Lytz, Robert Keith
Abstract:: Lamellar x-ray diffraction was studied from thin films of L-α-1,2-dipalmitoyl lecithin (DPL) and a 1:1 mixture (BrDPL) of L-α-l-palmitoyl-2-(9- bromopaimitoyl) lecithin and its 10-bromo analog. The specimens had high lamellar order, with an upper bound on the mosaicity of 6 mrad (0.4°) for DPL and BrDPL. With various water contents,...
Resource Type:: Dissertation
Full Text:: multilayers AN ABSTRACT OF THE THESIS OF Robert Keith Lytz for the degree of Doctor of Philosophy in

Cis-2,5-diaminobicyclo[2.2.2]octane : a novel C₂-symmetric scaffold for asymmetric catalysis

Creator:: Shaw, Subrata
Abstract:: This thesis describes the development of a new enantioselective synthetic method employing chiral cis-2,5-diaminobicyclo[2.2.2]octane-based organometallic catalysts. The significance of this new method to organic synthesis is illustrated with preparation of enantioenriched products that are transformed to important pharmaceutical agents. Chapter 1 provides a brief historical overview of asymmetric catalysis, especially...
Resource Type:: Dissertation
Full Text:: mentoring but also for their advice and all their help. I would especially like to thank Rajan, Keith

ScholarsArchive@OSU

Synthesis of furanoeremophilane sesquiterpenoids

Studies toward the total synthesis of sanglifehrin A

High-resolution X-ray photoelectron spectroscopy of CO₂ and other small molecules

High resolution spectroscopy of metal borohydrides

Synthesis and characterization of new optical frequency converters and phosphor hosts

Fiber optic sensors and spectrometry for the detection of volatile gem-polyhalogenated hydrocarbons

Characterization and applications of polyphenol chemiluminescence reactions and flow cell instrumentation

Determination of chlorinated hydrocarbons by response factor calibration

X-ray structure studies of oriented phospholipid multilayers

Cis-2,5-diaminobicyclo[2.2.2]octane : a novel C₂-symmetric scaffold for asymmetric catalysis

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