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Progress Towards the Total Synthesis of Bazzanin K

Creator:: Salvo, Patrick
Abstract:: Molecular chirality plays a critical role in chemistry, biology, and medicine. To study and better understand conformational chirality, it is necessary to obtain structurally interesting molecules that exhibit this form of chirality. Our lab utilizes total synthesis and methodological development to obtain conformationally chiral natural products of interest. We believe...
Resource Type:: Masters Thesis
Full Text:: bazzanin K is a chiral molecule although it lacks sp3 hybridized stereocenters. To test this hypothesis

An approach toward the synthesis of euonyminol and cathedulin K- 19

Creator:: Shin, Hyunik
Abstract:: A synthetic approach toward the two major fragments of cathedulin K-19, euonyminol (4) and dimethyl cathate (69), was investigated. Synthesis of dimethyl cathate was accomplished in 3 steps starting from 73. Efforts directed towards the synthesis of euonyminol, a highly oxygenated dihydroagarofuran sesquiterpene, was advanced to a stage in which...
Resource Type:: Dissertation
Full Text:: Cathedulin K-19. Abstract approved by: A synthetic approach toward the two major fragments of cathedulin K

Total Synthesis of Cephalotaxus Alkaloids and Synthetic Studies toward Bazzanin K

Creator:: Ju, Xuan
Abstract:: Dearomatization reactions exist broadly in biosynthesis and chemical synthesis. The highly functionalized atoms of arenes can be masked by it aromaticity, and upon dearomatization, those reactive atoms can be readily applied to bond formation and further manipulation. The total synthesis of (–)-cephalotaxine and (–)- homoharringtonine is described via an oxidative...
Resource Type:: Dissertation
Full Text:: not straightforward. Bazzanin K is a macrocyclic bis(bibenzyls) with diastereotopic protons at its

Tetracalcium lanthanide borate oxide : structures and optical properties

Creator:: Crossno, Stephen K.
Resource Type:: Masters Thesis
Full Text:: by Stephen K. Crossno A THESIS submitted to Oregon State University in partial

Divalent carbon intermediates in some bridged polycyclic compounds

Creator:: Hardy, Thomas A.
Resource Type:: Dissertation
Full Text:: . Peter K. Freaman The generation and attempted generation of carbenes in several alicyclic systems is

Photodechlorination of pentachlorobenzene in organo-clay

Creator:: Yoo, Hye-Dong
Resource Type:: Masters Thesis
Full Text:: ; Figure 1: Structure of a montmorillonite layer (reproduced from B. K. G. Theng)2 3 The capacity of a

Fundamental Studies of the Structure-Property Correlations of Na-ion and K-ion Storage in Non-Graphitic Carbon

Creator:: Li, Zhifei
Abstract:: Grid-scale energy storage systems are urgently needed to increase the flexibility and rigidity of the grid for modern society and take full advantage of the renewable green energy resources such as solar energy and wind energy. Na-ion batteries (NIBs) and K-ion batteries (KIBs) have been emerged as one of the...
Resource Type:: Dissertation
Full Text:: . Title: Fundamental Studies of the Structure-Property Correlations of Na-ion and K-ion Storage in Non

Carbene rearrangements : intramolecular interaction of a triple bond with a carbene center

Creator:: Dan̄ino, José C.
Abstract:: The tosylhydrazones of 2-heptanone, 4,4-dimethy1-2- heptanone, 6-heptyn-2-one and 4,4-dimethy1-6-heptyn-2- one were synthesized and decomposed under a variety of reaction conditions: dry lithium and sodium salt pyrolyses, sodium methoxide thermolyses in diglyme and photolyses of the lithium salt in tetrahydrofuran. The saturated analogues 2-heptanone tosylhydrazone and its 4,4-dimethyl isomer afforded the...
Resource Type:: Dissertation
Full Text:: triplet methylene by measuring its absorption spectrum at 4°K. But a different conclusion was arrived at

A study of the chemistry of diisopropyl-, cyclopropylisopropyl-, and dicyclopropylcarbene

Creator:: Wuerch, Stephen E.
Abstract:: The effect of the conjugation with cyclopropyl rings on the activation parameters for the formation of carbenes from the corresponding diazo compounds was investigated using diisopropylcarbene (46), cyclopropyl-isopropylcarbene (47), and dicyclopropylcarbene (48). Each of these three carbenes was generated by the thermolysis of the parent benzenesulfonylhydrazone potassium salts using DMSO...
Resource Type:: Masters Thesis
Full Text:: A study of the chemistry of diisopropyl

Mechanistic study of some internal substitution reactions and a substitution at sulfenyl sulfur

Creator:: Hanson, Gary Craig
Resource Type:: Dissertation
Full Text:: given below. Cpd. To(C) dkx105 ,x105 k x05 (sec-1) kffec-1) (sac-11) E-Me 135 9.1 28.1 43.5 a-Naph

ScholarsArchive@OSU

Progress Towards the Total Synthesis of Bazzanin K

An approach toward the synthesis of euonyminol and cathedulin K- 19

Total Synthesis of Cephalotaxus Alkaloids and Synthetic Studies toward Bazzanin K

Tetracalcium lanthanide borate oxide : structures and optical properties

Divalent carbon intermediates in some bridged polycyclic compounds

Photodechlorination of pentachlorobenzene in organo-clay

Fundamental Studies of the Structure-Property Correlations of Na-ion and K-ion Storage in Non-Graphitic Carbon

Carbene rearrangements : intramolecular interaction of a triple bond with a carbene center

A study of the chemistry of diisopropyl-, cyclopropylisopropyl-, and dicyclopropylcarbene

Mechanistic study of some internal substitution reactions and a substitution at sulfenyl sulfur

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