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Condensation of crotonic and tiglic acids with aldehydes and ketones

Creator:: Johnson, Paul Robert
Resource Type:: Masters Thesis
Full Text:: and ketones AN ABSTRACT OF THE THESIS OF Paul Robert Johnson for the degree of Master of Science in

Total synthesis of (+)-bourgeanic acid and conformational analysis of its dilactone

Creator:: Johnson, Alan T. (Alan Thomas), 1957-
Resource Type:: Dissertation
Full Text:: analysis of its dilactone AN ABSTRACT OF THE THESIS OF Alan T. Johnson for the degree of Doctor of

Synthetic studies on marine natural products : Part 1. Synthesis of the sesquiterpenoid dihydropallescensin D via manganese(III)- mediated carbocyclization. Part 2. Approaches toward the synthesis of prianosin and discorhabdin alkaloids

Creator:: Yager, Kraig M.
Resource Type:: Dissertation
Full Text:: M. Yager for the degree of Doctor of Philosophy in Chem istry presented on March 16. 1993. Title

Asymmetric synthesis of cyclopropanes via a "zipper reaction"

Creator:: Lincoln, Christopher M.
Abstract:: The rearrangement of a homoallyl cation to a cyclopropylcarbinyl cation is thought to play a role in the biogenesis of a variety of cyclopropane-containing natural products,¹ a hypothesis which has previously led to the design of successful biomimetic syntheses of several natural products.² The strategy underlying this approach to cyclopropane...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Christopher M. Lincoln for

Approaches to the synthesis of polyketides. Vermiculine

Creator:: Kirkemo, Curtis Lee
Abstract:: An approach to the generation of polyketides was investigated, which involved ozonolysis of 6, 7 cyclopenteno -1> 4, 5, 8 -tetrahydromethoxy- 3-methylnaphthalene (26), to produce what is believed to be polyketide 27. Compound 26 was formed by the following sequence: Die ls -Alder addition of 1, 2 -dim.ethylenecyclopentane and 2...
Resource Type:: Dissertation
Full Text:: the resulting product (98) gave diester 99. Epoxidation of 99 with m-chloroperbenzoic acid yielded

Approaches to the synthesis of methymycin

Creator:: Raghavan, Palaykotai Rajagopalan
Abstract:: Several approaches to the synthesis of methymycin were investigated. Segment A (39), containing functionality corresponding to C-9, 10, and 11 of methynolide was made in six steps from propionaldehyde in an overall yield of 37%. Oxidation of 34 with silver nitrate gave 35 which, upon hydroxylation with hydrogen peroxide, gave...
Resource Type:: Dissertation
Full Text:: m-chloroperbenzoic acid gave alcohols 87 and 88 in a 85:15 ratio. The major isomer was converted

Part I : synthesis of azetidin-2-ones from pyrazolidin-3-ones ; Part II : synthesis of a subunit of the immunosuppressant FK-506

Creator:: Toske, Steven Gerald
Resource Type:: Dissertation
Full Text:: involved in the formation of 93 (Scheme 12). Me Me M e, , N N hv, Me0H, ii.... Me,N quartz filter 0

Synthetic studies on alkaloids : part I, an approach toward the synthesis of (̳+)-koumine : part II, an approach toward the synthesis of (̳+)-morphine

Creator:: Stappenbeck, Frank
Resource Type:: Dissertation
Full Text:: system of 30 have been reported by the Hart, Johnson and Speckamp groups.16 Progress toward a very

Synthetic studies on marine natural products : I. Stereoselective synthesis of E,Z-1,3-Dienes by tandem nucleophilic addition to a dienylphosphonium salt followed by Wittig reaction. II. Synthesis of cyclopropyl oxylipins by a cation mediated carbocyclization

Creator:: Jensen, Mark S.
Resource Type:: Dissertation
Full Text:: in ethanol, or a 1% solution of vanillin in 0.1 M H2SO4 in methanol. Flash chromatography was

Total synthesis of indole alkaloids: pt. 1. Asymmetric synthesis of (-)-ibogamine. pt. 2. An approach toward the synthesis of koumine

Creator:: Choi, Younggi
Abstract:: PART I. The preparation of (-)-ibogamine (1) in fourteen steps from benzoquinone and in 10% overall yield is a powerful illustration of the value of the asymmetric Diels-Alder reaction as a starting point in a multistep synthesis. All four cycloadducts, 70, 77, 84 and 96, obtained with the (S)-BINOL-TiCl₂ complex...
Resource Type:: Dissertation
Full Text:: Kuntiyong, Chang-Sun Lee, Nadine Lee, Tae-Hee Lee, Christopher M. Lincoln, Barton W. Phillips, Laura

ScholarsArchive@OSU

Condensation of crotonic and tiglic acids with aldehydes and ketones

Total synthesis of (+)-bourgeanic acid and conformational analysis of its dilactone

Synthetic studies on marine natural products : Part 1. Synthesis of the sesquiterpenoid dihydropallescensin D via manganese(III)- mediated carbocyclization. Part 2. Approaches toward the synthesis of prianosin and discorhabdin alkaloids

Asymmetric synthesis of cyclopropanes via a "zipper reaction"

Approaches to the synthesis of polyketides. Vermiculine

Approaches to the synthesis of methymycin

Part I : synthesis of azetidin-2-ones from pyrazolidin-3-ones ; Part II : synthesis of a subunit of the immunosuppressant FK-506

Synthetic studies on alkaloids : part I, an approach toward the synthesis of (̳+)-koumine : part II, an approach toward the synthesis of (̳+)-morphine

Synthetic studies on marine natural products : I. Stereoselective synthesis of E,Z-1,3-Dienes by tandem nucleophilic addition to a dienylphosphonium salt followed by Wittig reaction. II. Synthesis of cyclopropyl oxylipins by a cation mediated carbocyclization

Total synthesis of indole alkaloids: pt. 1. Asymmetric synthesis of (-)-ibogamine. pt. 2. An approach toward the synthesis of koumine

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