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Studies of the biosynthesis of Sarubicin A

Creator:: Eisenberg, Rodney L.
Abstract:: Early studies on the biosynthesis of Sarubicin A, 1, had suggested the intermediacy of the novel aromatic amino acid 6-hydroxyanthranilic acid, 17. To investigate the biosynthetic steps beyond 17, [¹³C-¹⁵N carboxamide] 6-hydroxyanthranilamide, 27a, was synthesized, and fed to fermentations of Streptomyces helicus. Incorporation of 27a into 1 provided suggestive evidence...
Resource Type:: Dissertation
Full Text:: ,w,CO2H ll HO CHO .i. .10H HO 25 26 14 18 CO2H O HO2C H2N OH 17 HO2C 19 Scheme 5

Synthesis and oligomerization of Delta, 4-diamino-2-oxo-1(2H)-pyrimidinehexanoic acid

Creator:: Huang, Sung-ben
Resource Type:: Dissertation
Full Text:: also like to thank Dr. Richard W. Thies, Christopher K. Mathews, James H. Krueger, and Austin W

Photochemistry of some bromoarenes

Creator:: Jang, Jung-suk
Abstract:: The photodebromination of selected bromoarenes has been studied at 300 nm to determine the the possible mechanistic pathways leading to product. Irradiation of 4-bromobiphenyl (BpBr) at this wavelength leads to the product biphenyl. The quantum yield of intersystem crossing (0.98) and quenching studies with cis-1 ,3-pentadiene suggest that the reaction...
Resource Type:: Dissertation
Full Text:: . Gleicher and Richard W. Thies are thanked for their helpful suggestions. Dr. Ramnath Iyer's constant

Chemical and statistical analyses of chondrules from the Mokoia (CV3) meteorite

Creator:: Schilk, Alan J.
Abstract:: Nearly 100 chondrules were extracted from -8.6g of the Mokoia (CV3) meteorite and have been analyzed by sequential instrumental neutron activation analysis (INAA). The resulting data were utilized in a comprehensive statistical characterization of these objects and, unlike similar investigations, virtually no loss of relevant data was incurred due to...
Resource Type:: Dissertation
Full Text:: 106 Ne 10 5 (4., tu Ar 0. 10'cr)0 10 8 z 10 0 "iC Na Fe Si V Ga Rt. Ge ZS 13 Y B W

Synthesis of polybenzimidazoles containing arylene sulfone and ether linkages

Creator:: Cook, Diana Lynn
Abstract:: Polybenzimidazoles were synthesized from 3,3'-diaminobenzidine (DAB) and dicarboxylic acids. The polymerizations using the dicarboxylic acid monomers were carried out in polyphosphoric acid (PPA) and phosphorus pentoxide/methansulfonic acid (PPMA) which acted as the solvent and condensing agent. The resulting polybenzimidazoles had inherent viscosities in the range of 0.12 to 0.84 dL/g....
Resource Type:: Masters Thesis
Full Text:: , Dr. Richard Thies Dr. Peter Freeman Dr. Gerald Gleicher for their guidance Roger Kohnert Lilo

Design of B-form specific DNA binding oligonucleotide analogues : investigations of novel recognition moieties for triple helix formation

Creator:: Hogeland, Jane S.
Resource Type:: Dissertation
Full Text:: me. I would also like to thank Drs. Richard W. Thies, Douglas A. Keszler, W. Curtis Johnson, and

Complex oxides of 6p block elements

Creator:: Kodialam, Sasirekha
Resource Type:: Dissertation
Full Text:: Elements Abstract approved: A. W. leight This work involves the synthesis and characterization of oxides

Secondary metabolism in Streptomyces murayamaensis

Creator:: Melville, Chris R.
Resource Type:: Dissertation
Full Text:: . A. "Biomolecular Materials" Chem. Eng. News 1994, 40-51. 5. Katz, L.; Donadio, S. "Polyketide

Development of chemostats and use of redox indicators for studying redox transformations in biogeochemical matrices

Creator:: Lemmon, Teresa L.
Resource Type:: Dissertation
Full Text:: , 1966, 212, 1278. 4. Patrick, W. H. Jr.; Williams, B. G.; Moraghan, J. T.; Soil Sci. Soc. Amer. Proc

Chemistry and characterization of vanadyl phosphate catalysts

Creator:: Nguyen, Phong T.
Resource Type:: Dissertation
Full Text:: Catalyst. Abstract approved : Arthur W. Sleight The aim of this research was to develop a better

ScholarsArchive@OSU

Studies of the biosynthesis of Sarubicin A

Synthesis and oligomerization of Delta, 4-diamino-2-oxo-1(2H)-pyrimidinehexanoic acid

Photochemistry of some bromoarenes

Chemical and statistical analyses of chondrules from the Mokoia (CV3) meteorite

Synthesis of polybenzimidazoles containing arylene sulfone and ether linkages

Design of B-form specific DNA binding oligonucleotide analogues : investigations of novel recognition moieties for triple helix formation

Complex oxides of 6p block elements

Secondary metabolism in Streptomyces murayamaensis

Development of chemostats and use of redox indicators for studying redox transformations in biogeochemical matrices

Chemistry and characterization of vanadyl phosphate catalysts

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