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Filtering by: Advisor Gable, Kevin Remove constraint Advisor: Gable, Kevin Committee Member Deinzer, Max Remove constraint Committee Member: Deinzer, Max

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Rhenium-catalyzed oxygen-atom transfer reactions : mechanism and applications

Creator:

Brown, Eric C.

Abstract:

In situ reduction of hydrido-tris-(3,5-dimethylpyrazolyl)borato(trioxo) rhenium(V) with triphenylphosphine or triethylphosphite leads to a reactive rhenium(V) species that catalytically deoxygenates epoxides at 75-105°C. The reaction is stereospecific, except for trans- and cis-butene oxide which formed minor amounts of the opposite isomer. A variety of different functional groups were tolerated and even...

Resource Type:

Dissertation

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ACKNOWLEDGMENTS I would like to sincerely thank Prof. Kevin Gable for all his assistance, guidance and
Direct atom transfer vs. ring expansion in reaction of rhenium oxo complexes with cyclooctene epoxides and episulfides

Creator:

Khownium, Kriangsak

Abstract:

The rhenium (V) complex Tp'ReO₂ (Tp' = hydrido-tris-(3,5- dimethylpyrazolyl)borate), generated in situ from PPh₃ reduction of Tp'Re0₃, reacts with small ring heterocycles such as epoxides and episulf ides. The strained trans-cyclooctene ring provides an unusual thermodynamic bias against direct atom transfer, but trans-cyclooctene oxide still produces substantial amounts of trans-cyclooctene....

Resource Type:

Masters Thesis

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standard referencing practices of the discipline. I deeply acknowledge Prof. Kevin Gable for all his
Studies toward the total synthesis of alkaloids : nagelamide A and D, agelastatin D, dragmacidin A-C, salacin and almazoles

Creator:

Tonsiengsom, Sorasaree

Abstract:

Studies toward the total syntheses of highly potent cytotoxic alkaloids including the bromopyrrole alkaloids and indole alkaloids were conducted and are described. Studies carried out in the course of this dissertation consist of five total syntheses of natural products that include bromopyrrole alkaloids nagelamide A, D and agelastatin D as...

Resource Type:

Dissertation

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, SALACIN AND ALMAZOLES Abstract approved: Kevin P. Gable Studies

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Academic Affiliation

Chemistry3

Advisor

Gable, Kevin P.3

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2003 to 2007

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Committee Member

Deinzer, Max[remove]3
Keszler, Douglas2
Blakemore, Paul1
Horne, David1
Jovanovic, Goran1
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Creator

Brown, Eric C.1
Khownium, Kriangsak1
Tonsiengsom, Sorasaree1

Date

Date range begin – Date range end

Current results range from 2002 to 2006

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Decade

2000-20093

Degree Field

Chemistry3

Degree Level

Doctoral2
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)2
Master of Science (M.S.)1

File Format

application/pdf1

Language

English [eng]3

License

All rights reserved2

Non-Academic Affiliation

Oregon State University. Graduate School3

Peer Reviewed

No2

Resource Type

Dissertation2
Masters Thesis1

Rights Statement

In Copyright2
Copyright Not Evaluated1

Subject

Epoxy compounds2
Oxidation-reduction reaction2
Rhenium catalysts2
Alkaloids -- Synthesis1
Metal sulphides1

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