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Part I: Synthetic Studies toward C10-functionalized Lycopodium Alkaloids. Part II: Exploration of the Pummerer Cyclization and Its Application to the Total Syntheses of the Abietane Diterpenoids

Creator:: Li, Xin
Abstract:: This dissertation is separated into two parts according to the two major distinct research projects. In Part I, the full account of synthetic studies toward C10-functionalized lycopodium alkaloids is described. In Part II, the detailed discussion on the exploration of the Pummerer cyclization methodology and its application to the total...
Resource Type:: Dissertation
Full Text:: 13 8 7 N 1 N N 5 15 15 N H OA BC D 13 1 5 N H O 12 13 8 7 1 4 4 OH OH N OH

A unified approach for the total synthesis of C₁₀-functionalyzed Lycopodium alkaloids

Creator:: Saha, Mrinmoy
Abstract:: Lycopodium alkaloids have shown widespread and noteworthy biological activity, consisting of over 250 known natural products. Moreover, their structural complexity and diversity have attracted considerable attention from numerous laboratories including our own. Recently, we have developed a unified approach that would provides access to numerous, previously unprepared C₁₀-functionalized lycopodium alkaloids....
Resource Type:: Dissertation
Full Text:: iPr2NH (6 equiv.) iPrOH:CH2Cl2 (4:1) rt, 13 h, 89% dr >20:1 O O PhO2S N3 1.11.4 1.11.3 6 12 SO2Ph

Electric moment studies of a series of related hydrazine derivates

Creator:: Frey, Paul Reheard
Resource Type:: Dissertation
Full Text:: permanent dipole and equation (10) becomes L::! . /\ p - 4 rr 1 oÇ - 4 ig , ¿L z d s ° ¿7( 7T 16

The synthesis of C¹⁴ carbonyl labeled 3-(parachlorophenyl)-1, 1-dimethylurea

Creator:: Odell, Norman Raymond
Resource Type:: Masters Thesis
Full Text:: Constants 23 III. SUUARY 26 IV. BIBliOGRAPHY 27 V. APPENDIX 29 THE SYNTHESIS OF C'4 CARBONIL

Water and methanol adsorption on a series of organic complexes of montmorillonite

Creator:: Carter, Loren Sheldon
Abstract:: Water and methanol adsorption isotherms at 25° and 37° C. were determined on a series of organo-bentonite clays. The clays differed in the length of the carbon chain attached to the amine adsorbed in the cation exchange position. The amines used had carbon chains of 4, 6, 8, 10, 12,...
Resource Type:: Masters Thesis
Full Text:: INTRODUCTION 1 Clay Mineral Concept 3 Structure of Bentonites 4 Cation Exchange Capacity 8 HISTORY OF

High resolution spectroscopy of BeB₂H₈ and C₂H₆

Creator:: Al-Kahtani, Abdullah A.
Resource Type:: Masters Thesis
Full Text:: VIBRATIONAL ROTATIONAL SPECTRA OF BeB 2 H 8 1 A: Introduction 1 B: Rotational Constants 10 C: Nuclear Spin

Degradation studies on cellullar constituents isolated from Streptomyces griseus utilizing C¹⁴ labeled carbohydrates

Creator:: Bialy, Jerzy Jozef
Resource Type:: Dissertation
Full Text:: / \ (.) < (.) 20 La.. (.) ~/ \ .. w a.. ~, C/) *'(I \ 0 ~o~--•1-----2----•3----~4----~5----6~---7~---8

The synthesis of 2-C¹⁴ labeled DDT

Creator:: Buhler, Donald Raymond
Resource Type:: Masters Thesis
Full Text:: ( C tetracliloroacetophenone. (4) Reduction of the above ketone wIth aluniinum isopropoxide ives

Himeradine A : synthetic efforts towards himeradine A and related natural products, a Michael reaction focused approach

Creator:: Collett, Nathan D.
Abstract:: Lycopodium alkaloids have generated enormous amounts of interest from the scientific community, both as synthetic targets and for their medicinal properties. Herein is described work towards a unifying approach to large segments of the Lycopodium family. An organocatalyzed intramolecular heteroatom Michael reaction method, for the construction of piperidine and piperizine...
Resource Type:: Dissertation
Full Text:: PhMe, reflux 94%, 84% de O O O N OHN Cbz1.12.3 N O O H 1) H2, Pd/C 2) H2, Raney Ni 3) p-TsOH

Mechanistic studies on Re(V) mediated C-O bond transformations

Creator:: Zhuravlev, Fedor
Abstract:: In situ, reduction of Cp*ReO₃ by PPh₃ to form (Cp*ReO)₂(μ-O)₂ allows catalytic deoxygenation of epoxides, however, conproportionation between Reⱽ and Reⱽᴵᴵ species to form clusters of ((Cp*Re)₃(μ-O)₆}²⁺(ReO₄⁻)2 and new compound {(Cp*Re)₃(μ²-O)₃(μ³-O⁾³ReO₃}⁺(ReO₄⁻) leads to removal of rhenium from the catalytic cycle and loss of activity, The epoxide deoxygenation mediated by (Cp*ReO)₂(μ-O)₂...
Resource Type:: Dissertation
Full Text:: ). Scheme 4, PhOH L + PPh3 OH 2% Cp*ReO3 Ph 90°C, 25h PhCI OPPh3 + + H20 [.1 This catalytic

ScholarsArchive@OSU

Part I: Synthetic Studies toward C10-functionalized Lycopodium Alkaloids. Part II: Exploration of the Pummerer Cyclization and Its Application to the Total Syntheses of the Abietane Diterpenoids

A unified approach for the total synthesis of C₁₀-functionalyzed Lycopodium alkaloids

Electric moment studies of a series of related hydrazine derivates

The synthesis of C¹⁴ carbonyl labeled 3-(parachlorophenyl)-1, 1-dimethylurea

Water and methanol adsorption on a series of organic complexes of montmorillonite

High resolution spectroscopy of BeB₂H₈ and C₂H₆

Degradation studies on cellullar constituents isolated from Streptomyces griseus utilizing C¹⁴ labeled carbohydrates

The synthesis of 2-C¹⁴ labeled DDT

Himeradine A : synthetic efforts towards himeradine A and related natural products, a Michael reaction focused approach

Mechanistic studies on Re(V) mediated C-O bond transformations

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