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Articles 181 - 210 of 288

Full-Text Articles in Chemistry

Enantioselective Synthesis Of Dual Serotonergic Azanoradamantane Sc-52491, Daniel Becker, Robert K. Husa, Alan E. Moormann, Clara I. Villamil Oct 1999

Enantioselective Synthesis Of Dual Serotonergic Azanoradamantane Sc-52491, Daniel Becker, Robert K. Husa, Alan E. Moormann, Clara I. Villamil

Chemistry: Faculty Publications and Other Works

A racemic synthesis of azanoradamantane (±)-3 was accomplished via Yamamoto's MAD-catalyzed Diels-Alder protocol. Subsequently, a scalable asymmetric synthesis of azanoradamantane benzamide SC-52491 was carried out employing Helmchen's asymmetric Diels-Alder methodology to construct all four contiguous asymmetric centers with the correct relative stereochemistry and in 99.3% e.e.


Biophysical Studies Of The Spectrin Sequence Motif, Denise M. Lusitani Jan 1998

Biophysical Studies Of The Spectrin Sequence Motif, Denise M. Lusitani

Dissertations

No abstract provided.


Mechanistic Studies Of Cation Photogeneration, Mary Frances Clifton Jan 1998

Mechanistic Studies Of Cation Photogeneration, Mary Frances Clifton

Dissertations

No abstract provided.


Novel Synthetic Route To 5-Substituted Indoles, Helen Y. Chen Jan 1998

Novel Synthetic Route To 5-Substituted Indoles, Helen Y. Chen

Master's Theses

No abstract provided.


Serotonin 5-Ht4 Agonist Activity Of A Series Of Meso-Azanoradamantane Benzamides, Daniel Becker, Roger Nosal, Clara I. Villamil, Gary Gullikson Sep 1997

Serotonin 5-Ht4 Agonist Activity Of A Series Of Meso-Azanoradamantane Benzamides, Daniel Becker, Roger Nosal, Clara I. Villamil, Gary Gullikson

Chemistry: Faculty Publications and Other Works

A series of meso-amino(methyl)azanoradamantane benzamides has been prepared and evaluated for 5-HT4agonism activity in the rat tunica muscularis mucosae (TMM) assay. Compound 8i is the most potent 5-HT4agonist in the series, with an EC50 of 217 nM.


Synthetic Strategies For The Construction Of Enantiomeric Azanoradamantanes, Daniel Becker, Roger Nosal, Daniel L. Zabrowski, Daniel Flynn Jan 1997

Synthetic Strategies For The Construction Of Enantiomeric Azanoradamantanes, Daniel Becker, Roger Nosal, Daniel L. Zabrowski, Daniel Flynn

Chemistry: Faculty Publications and Other Works

The amino azanoradamantane hexahydro-2,5b-methano-IH-3aS,3aa,6aa-cyclopenta-[clpyrrole-4a-amine 1and the corresponding enantiomer ent-1 have been prepared along with benzamide derivatives SC-52491and SC-52490, respectively, which are of pharmaceutical interest. The key meso-azabicyclo[3.3.0] intermediate 3 was prepared via three separate routes: a [3+2] cycloaddition route, a radical cyclization/ionic cyclization route, and a reductive Pauson-Khand route.


The Computational Study Of "Model" Pollutants In Clay Montmorillonite, Sung-Ho Park Jan 1997

The Computational Study Of "Model" Pollutants In Clay Montmorillonite, Sung-Ho Park

Dissertations

No abstract provided.


Syntheses Of Monometallic And Bimetallic Pd(Ii) Catalysts Supported On Polymer Surface And Their Applications In Organic Syntheses, Qin Jian Yu Jan 1997

Syntheses Of Monometallic And Bimetallic Pd(Ii) Catalysts Supported On Polymer Surface And Their Applications In Organic Syntheses, Qin Jian Yu

Master's Theses

No abstract provided.


Novel Palladium (Ii) Catalysts For Asymmetric Synthesis, Arab El-Qisairi Jan 1997

Novel Palladium (Ii) Catalysts For Asymmetric Synthesis, Arab El-Qisairi

Dissertations

No abstract provided.


Multinuclear Magnetic Resonance Studies Of Anion Binding To Copper, Zinc-Superoxide Dismutase, And Of Lithium Transport And Binding In Cultured Neuroblastoma Cells, Cherian Zachariah Jan 1997

Multinuclear Magnetic Resonance Studies Of Anion Binding To Copper, Zinc-Superoxide Dismutase, And Of Lithium Transport And Binding In Cultured Neuroblastoma Cells, Cherian Zachariah

Dissertations

No abstract provided.


Development Of Crosslinking Reagents, And Intra- And Intermolecular Multi-Linking Hemoglobin Molecules As Potential Blood Substitutes, Yaguo Zheng Jan 1997

Development Of Crosslinking Reagents, And Intra- And Intermolecular Multi-Linking Hemoglobin Molecules As Potential Blood Substitutes, Yaguo Zheng

Dissertations

No abstract provided.


A Multinuclear Magnetic Resonance Study Of Cesium And Chloride Distribution In Human Erythrocyte Suspensions, Wanrong Lin Jan 1997

A Multinuclear Magnetic Resonance Study Of Cesium And Chloride Distribution In Human Erythrocyte Suspensions, Wanrong Lin

Dissertations

No abstract provided.


Asymmetric Synthesis By Palladium (Ii) Catalysis: Chirality Transfer And New A Symmetric Catalytic System, Othman Hamed Jan 1997

Asymmetric Synthesis By Palladium (Ii) Catalysis: Chirality Transfer And New A Symmetric Catalytic System, Othman Hamed

Dissertations

No abstract provided.


Oxidative Reactions In Normal And Sickle Hemoglobin-Lipid Mixtures Under Various Conditions, Merita Nirmali Dias Jan 1997

Oxidative Reactions In Normal And Sickle Hemoglobin-Lipid Mixtures Under Various Conditions, Merita Nirmali Dias

Dissertations

No abstract provided.


Competition Between Li+ And Mg2+ For Human Rbcmembrane Phospholipids And Guanine Nucleotide Binding Proteins, Chandra Srinivasan Jan 1997

Competition Between Li+ And Mg2+ For Human Rbcmembrane Phospholipids And Guanine Nucleotide Binding Proteins, Chandra Srinivasan

Dissertations

No abstract provided.


Ionic Interaction Studies Of Bovine Copper, Zinc-Superoxide Dismutase, Hanan A. Hasan Jan 1997

Ionic Interaction Studies Of Bovine Copper, Zinc-Superoxide Dismutase, Hanan A. Hasan

Dissertations

No abstract provided.


Ph And Osmolality Effects On Lipid-Enhanced Sickle And Normahemoglobin Oxidation, Sharron Kay Jenkins Jan 1997

Ph And Osmolality Effects On Lipid-Enhanced Sickle And Normahemoglobin Oxidation, Sharron Kay Jenkins

Dissertations

No abstract provided.


Molecular Dynamics Of The Hammerhead Ribozyme, Vasant T. Gandhi Jan 1997

Molecular Dynamics Of The Hammerhead Ribozyme, Vasant T. Gandhi

Master's Theses

No abstract provided.


Molecular Dynamics Of Crosslinked And Normal Hemoglobins, Liang Zhao Jan 1997

Molecular Dynamics Of Crosslinked And Normal Hemoglobins, Liang Zhao

Master's Theses

No abstract provided.


The Application Of Matrix Assisted Laser Desorption Ionization Time Of-Flight Mass Spectrometry (Maldi Tof Ms) For Dna Adducts And Cross-Linked Hemoglobin Analysis, Xiaomei Gu Jan 1997

The Application Of Matrix Assisted Laser Desorption Ionization Time Of-Flight Mass Spectrometry (Maldi Tof Ms) For Dna Adducts And Cross-Linked Hemoglobin Analysis, Xiaomei Gu

Master's Theses

No abstract provided.


Effects Of Perinatal Exposure To Cocaine On Sexually Differentiated Gonadotropin Regulation In Rats, Jihun M. Lee Jan 1997

Effects Of Perinatal Exposure To Cocaine On Sexually Differentiated Gonadotropin Regulation In Rats, Jihun M. Lee

Master's Theses

No abstract provided.


One-Pot Preparation Of 1,3-Dihydro-1- (Trifluoromethyl)Isobenzofuran-1-Ol Derivatives From 1,2-Dibromobenzene, Daniel Becker, Hui Li, Daniel L. Flynn Mar 1996

One-Pot Preparation Of 1,3-Dihydro-1- (Trifluoromethyl)Isobenzofuran-1-Ol Derivatives From 1,2-Dibromobenzene, Daniel Becker, Hui Li, Daniel L. Flynn

Chemistry: Faculty Publications and Other Works

A one-pot method for the preparation of 1,3-dihydro-1-(trifluoromethyl)isobenzofuran-1-ol derivatives 5from 1,2-dibromobenzene is described


Preparation Of Trifluoromethyl Lactol Derivatives Via Base Initiated Cyclobutanol Ring Opening To A Laterally Lithiated Trifluoromethyl Ketone, Daniel Becker, Daniel L. Flynn Jan 1996

Preparation Of Trifluoromethyl Lactol Derivatives Via Base Initiated Cyclobutanol Ring Opening To A Laterally Lithiated Trifluoromethyl Ketone, Daniel Becker, Daniel L. Flynn

Chemistry: Faculty Publications and Other Works

Benzocyclobutenone derivatives 4 are converted to the corresponding trifluoromethylcyclobutanols 5 by treatment with trifluoromethyltrimethylsilane in the presence of tetra-n-butylammonium fluoride. These trifluoromethylcyclobutanol derivatives are then treated with LiTMP in the presence of aromatic aldehydes to afford trifluoromethyllactols 6 via a laterally-lithiated trifluoromethylketone intermediate.


Photophysics And Photochemistry Of Carbocations, Maria R. Valentino Jan 1996

Photophysics And Photochemistry Of Carbocations, Maria R. Valentino

Dissertations

No abstract provided.


Electrochemical Cleavage Of Phenylsulfones, Joseph E. Lohr Jan 1996

Electrochemical Cleavage Of Phenylsulfones, Joseph E. Lohr

Master's Theses

No abstract provided.


The Development, Molecular Characterization And Application Of A Model Stratum Corneum Lipid System, Rita M. Hatfield Jan 1996

The Development, Molecular Characterization And Application Of A Model Stratum Corneum Lipid System, Rita M. Hatfield

Dissertations

No abstract provided.


Molecular Studies Of Human Erythrocyte Spectrin: Head To-Head Interactions, Nasser Qtaishat Jan 1996

Molecular Studies Of Human Erythrocyte Spectrin: Head To-Head Interactions, Nasser Qtaishat

Dissertations

No abstract provided.


Development Of A Unique Photothermal Interferometer, Michael Henry Jan 1996

Development Of A Unique Photothermal Interferometer, Michael Henry

Dissertations

No abstract provided.


The Synthesis Of Azure B Derivatives: Potential Pro-Drugs For Photodynamic Therapy, Carla M. Edwards Jan 1996

The Synthesis Of Azure B Derivatives: Potential Pro-Drugs For Photodynamic Therapy, Carla M. Edwards

Dissertations

No abstract provided.


Na+-H+ Exchange And Na+-Li+ Exchange In Human Erythrocytes: An Nmr Investigation, Yuling Chi Jan 1996

Na+-H+ Exchange And Na+-Li+ Exchange In Human Erythrocytes: An Nmr Investigation, Yuling Chi

Dissertations

No abstract provided.