Index Catalog // ScholarsArchive@OSU

Carbene chemistry : I. Stereochemical integrity at Cα in ketone tosylhydrazones : II. Hydrogen migration in 2-carbena-6, 6-dimethylnorbornane

Creator:: Balyeat, John Robert
Abstract:: The tosylhydrazones of exo-3-deuteriocamphor and 2- deuterio-2,4-dimethy1-3-pentanone were treated with Nbromosuccinimide (NBS) and pyruvic acid to regenerate the parent ketones. The ketones from the pyruvic acid cleavage show a significant loss of deuterium. The ketones from the NBS cleavage show no loss of deuterium, indicating that stereochemical integrity at. C[subscript...
Resource Type:: Masters Thesis
Full Text:: likely that the first step of the /C=NNHTs k Ts C /NH C-C-N H 0 0 C C-C-N=N H 0/ I NNHTs Na0Ac

Studies on hematin a, its interactions with poly-amino acids and apo-cytochrome c-oxidase

Creator:: Yong, Fook-Choy
Resource Type:: Dissertation
Full Text:: Ct- mm CO o F-----1 K'--- xs::T/x o (1 ,pc c) Y - ^--'- -' ----- ̂ '---'--~---'--' 3

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:: triple bond with a carbene center An Abstract OF THE THESIS OF Jose C. Danino for the degree of

Chiral synthesis of monic acid C

Creator:: Theramongkol, Parinya
Abstract:: Bromoalkoxylation of dihydropyran with bromine and 1-borneol, followed by dehydrobromination and epoxidation, afforded trans-2-1- bornyloxy-3,4-epoxytetrahydropyran as a major product. This was treated with sodium phenylselenide to give a 1:1 mixture of (2R,3R,4R)- 2-1-bornyloxy-3-hydroxy-4-phenylselenotetrahydropyran and its (2S,3S, 4S) diastereomer. Elimination of the selenoxide, derived from oxidation of the former with hydrogen...
Resource Type:: Dissertation
Full Text:: d,e,f,g Se Ph Bn0 0 --OBn 18 b,c i,j,k 21 ( R = SiPh2t-Bu ) 19 15 10 Reagents: a) PhSeCl

Preparation of C-14 labeled isopropyl phenylcarbamate

Creator:: Murray, Joseph
Resource Type:: Masters Thesis
Full Text:: Preparation of C-14 labeled isopropyl phenylcarbamate

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:: esterification at the C-2 and C-15 positions. K-6 lacks acetyl substitution at the C-15 hydroxyl group present

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:: -1 12°C); the following cycloreversion leads to a formation of Cp*Re03 and alkene, Primary 1 3c and

Thermodynamics of hydrazine in aqueous solution at 25⁰ C

Creator:: Bushnell, Vernon Clifford
Resource Type:: Masters Thesis
Full Text:: »?Iel ______ I -- II 1 J lb o- -Faiil-, hok C ; I t ______ p- - -k TOP ASSEH8Y

High resolution spectroscopy of BeB₂H₈ and C₂H₆

Creator:: Al-Kahtani, Abdullah A.
Resource Type:: Masters Thesis
Full Text:: (13), S(14), and S(15) of C2H6 at 200 Torr and 300 K. 63 11,6 S(16), S(17), and S(18) lines of C 2 H6

Preparation and decomposition of C-14 labeled Mannich base

Creator:: Dorward, Donald Lyle
Resource Type:: Masters Thesis
Full Text:: Preparation and decomposition of C-14 labeled Mannich base

ScholarsArchive@OSU

Carbene chemistry : I. Stereochemical integrity at Cα in ketone tosylhydrazones : II. Hydrogen migration in 2-carbena-6, 6-dimethylnorbornane

Studies on hematin a, its interactions with poly-amino acids and apo-cytochrome c-oxidase

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

Chiral synthesis of monic acid C

Preparation of C-14 labeled isopropyl phenylcarbamate

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

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

Thermodynamics of hydrazine in aqueous solution at 25⁰ C

High resolution spectroscopy of BeB₂H₈ and C₂H₆

Preparation and decomposition of C-14 labeled Mannich base

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