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LL-C10037α and MM 14201 : structure, biosynthesis and enzymology of two epoxysemiquinone antibiotics

Creator:: Shen, Ben
Resource Type:: Dissertation
Full Text:: . Chim. Acta 1987, 70, 1551. 43. Ellestad, G.; Kunstmann, M. P.; Whaley, H. A.; Patterson, E. L. J. Am

Tandem intramolecular photocycloaddition-retro-Mannich fragmentation as a route to indole and oxindole

Creator:: Li, Yang
Abstract:: Irradiation of a tryptamine linked through its side-chain nitrogen to an alkylidene malonate residue results in an intramolecular [2 + 2] cycloaddition to the indole 2,3-double bond. The resultant cyclobutane undergoes spontaneous retro-Mannich fission to produce a spiro[indoline-3,3-pyrrolenine] with relative configuration defined by the orientation of substituents in the transient...
Resource Type:: Dissertation
Full Text:: Intramolecular Photocycloaddition-retro-Mannich Fragmentation as a Route to Indole and Oxindole Abstract

Properties of Large Superfluid Helium Droplets

Creator:: Alghamdi, Maha
Abstract:: In this dissertation, I describe the experimental investigation of large superfluid helium droplets. The goal and direction of this thesis is to facilitate the use of these droplets as part of our project ss-EDI. The overall scheme of ss-EDI is to dope proteins inside helium droplets and collect a diffraction...
Resource Type:: Dissertation
Full Text:: droplets and collect a diffraction image of the doped droplets after orienting the dopant

Catching Ions in Superfluid Helium Droplets

Creator:: Chen, Lei
Abstract:: In this dissertation, I describe the experimental investigation of catching ions in superfluid helium droplets. The ultimate goal of our project is to build a coherent electron diffraction apparatus for atomic structure determination from oriented single macromolecules. This involves generating protein ions from electrospray ionization (ESI) and doping them in...
Resource Type:: Dissertation
Full Text:: ions in superfluid helium droplets. The ultimate goal of our project is to build a coherent

Studies on naphthyridinomycin biosynthesis

Creator:: He, Weixuan
Resource Type:: Dissertation
Full Text:: Naphthyridinomycin (1), a potent antimicrobial and antitumor agent, is produced by Streptomyces lusitanus. Due to

The kinetics and stereochemistry of electrocyclic ring cleavage of some 2H-pyrans

Creator:: Chadwick, Thomas Carl, 1945-
Resource Type:: Dissertation
Full Text:: privacy Elliot N. Marvell A thorough study of the electrocyclic reactions of pyrans 1, 6 and 11 was

Studies on the biosynthesis of the streptolidine moiety of streptothricin F

Creator:: Wityak, John
Abstract:: The loss of all deuterium labels from previous feedings of [2-²H]-, [3,3-²H₂]-, and [2,3,3-²H₃]arginines had indicated the possible intermediacy of β-hydroxy- and β-ketoarginine (30 and 31, respectively) in the biosynthesis of the streptolidine portion of streptothricin F (la). In order to confirm or refute this evidence, D,L-[2,3,3,5,5-²H₅]- arginine (32) was...
Resource Type:: Dissertation
Full Text:: -2H 5]- arginine (3 2) was synthesized via a 4 step route from diethyl acetamidomalonate (90). The

Advanced studies on the biosynthesis of the streptolidine moiety of streptothricin F

Creator:: Jackson, Michael D.
Resource Type:: Dissertation
Full Text:: , E. E.; Dyer, J. R.; Whaley, H. A. J. Am. Chem. Soc. 1961, 83, 4296-4297. 52. Brockmann, H.; Cohn, R

Using Metal-Oxo Clusters to Expand Actinide Chemistry

Creator:: Colliard, Ian
Abstract:: A molecular approach to metal oxides allows to the study to fundamental bonding and formation behavior for such metals. Moreover, the molecular nature of such oxides or metal-oxo clusters allows the possibility of exploitation of the properties of the parent oxides. The tetravalent metals, in specific, (M=Zr, Hf, Ce, Th,...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ May Nyman A molecular approach to metal oxides allows to the study to fundamental

Synthesis and Characterization of Novel Metal-Oxo Clusters as the Building Blocks in Nature and Synthesis

Creator:: Amiri, Mehran
Abstract:: Metal-oxo clusters can be described as soluble pieces of metal-oxide frameworks. Metal-oxo clusters are also the building blocks for the Metal-Organic Frameworks (MOFs) and coordination polymers. A better knowledge of metal-oxo clusters helps fundamentally understand geosciences, molecular engineering, catalysis, single-molecule magnetism, and MOFs for synthesis, design, and modification of these...
Resource Type:: Dissertation
Full Text:: are also the building blocks for the Metal-Organic Frameworks (MOFs) and coordination polymers. A

ScholarsArchive@OSU

LL-C10037α and MM 14201 : structure, biosynthesis and enzymology of two epoxysemiquinone antibiotics

Tandem intramolecular photocycloaddition-retro-Mannich fragmentation as a route to indole and oxindole

Properties of Large Superfluid Helium Droplets

Catching Ions in Superfluid Helium Droplets

Studies on naphthyridinomycin biosynthesis

The kinetics and stereochemistry of electrocyclic ring cleavage of some 2H-pyrans

Studies on the biosynthesis of the streptolidine moiety of streptothricin F

Advanced studies on the biosynthesis of the streptolidine moiety of streptothricin F

Using Metal-Oxo Clusters to Expand Actinide Chemistry

Synthesis and Characterization of Novel Metal-Oxo Clusters as the Building Blocks in Nature and Synthesis

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