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Chemistry Commons™

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Selected Works

2000

Articles 1 - 10 of 10

Full-Text Articles in Chemistry

Relationship Of Molecular Structure To The Mechanism Of Lysophospholipid-Induced Smooth Muscle Cell Proliferation, Yuh-Cherng Chai, David Binion, Guy Chisholm Sep 2000

Relationship Of Molecular Structure To The Mechanism Of Lysophospholipid-Induced Smooth Muscle Cell Proliferation, Yuh-Cherng Chai, David Binion, Guy Chisholm

Yuh-Cherng Chai

No abstract provided.

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The Role Of Monolayer Structure On Interfacial Phenomena, Mark Anderson Apr 2000

The Role Of Monolayer Structure On Interfacial Phenomena, Mark Anderson

Mark R. Anderson

No abstract is available at this time.

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One-Dimensional Chains In Sodium Tetraphenylphosphonium Bis(2-Mercapto-4-Methylphenolato-O,S)Oxo-Vanadate(Iv), Paul Challen, D. Mcconville, W. Youngs Feb 2000

One-Dimensional Chains In Sodium Tetraphenylphosphonium Bis(2-Mercapto-4-Methylphenolato-O,S)Oxo-Vanadate(Iv), Paul Challen, D. Mcconville, W. Youngs

Paul R. Challen

No abstract provided.

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The Vaporization Enthalpies Of Some Crown And Polyethers By Correlation Gas Chromatography, Gary Nichols, Jennifer Orf, Sarah M. Reiter, James Chickos, George W. Gokel Feb 2000

The Vaporization Enthalpies Of Some Crown And Polyethers By Correlation Gas Chromatography, Gary Nichols, Jennifer Orf, Sarah M. Reiter, James Chickos, George W. Gokel

James Chickos

No abstract provided.

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Characterizing The Structure Of Polyimide Model Compounds At Metallic Interfaces, Mark Anderson Jan 2000

Characterizing The Structure Of Polyimide Model Compounds At Metallic Interfaces, Mark Anderson

Mark R. Anderson

No abstract is available at this time.

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Infrared Spectro-Electrochemistry, Mark Anderson, C. Douglas Taylor Dec 1999

Infrared Spectro-Electrochemistry, Mark Anderson, C. Douglas Taylor

Mark R. Anderson

The combination of infrared (IR) spectroscopy and electrochemistry in a single measurement has been an area of active research interest since the late 1960s. IR spectroelectrochemical experiments provide insight about interfacial electrochemical phenomena and/or oxidation–reduction reaction mechanisms that cannot be obtained using either technique individually. The power of the measurement is in the complementary nature of the spectroscopic and electrochemical information available when obtained simultaneously. The combination of measurements, however, requires compromise between the IR spectroscopy and the electrochemistry because of their different sampling requirements. The need for compromise illustrates the unique strengths and weaknesses of the combined spectroelectrochemical measurement. …

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Making Connections Between Metallofullerenes And Fullerenes: Electrochemical Investigations, Mark Anderson, Harry Dorn, Steven Stevenson Dec 1999

Making Connections Between Metallofullerenes And Fullerenes: Electrochemical Investigations, Mark Anderson, Harry Dorn, Steven Stevenson

Mark R. Anderson

The square-wave voltammetry for a series of related fullerenes and metallofullerenes measured in pyridine solutions containing 0.10 M tetra-n-butylammonium perchlorate is reported. Several dimetallic metallofullerenes, M2@Cx (where M=Sc or Er, and x=82 or 84), are found to have similar voltammetric responses regardless of metal identity or carbon number. Assignment of formal charges to the fullerene cage suggests that these metallofullerenes are isoelectronic and have related molecular orbital structures. The voltammetry of the empty C82 and D2d-C84 cages are also alike, but are different from the square-wave voltammetry of the C60, C70, and D2-C84. The similarity of the voltammetry for C82 …

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The Discovery-Oriented Approach To Organic Chemistry. 3. Boron-Trifluoride Catalyzed Rearrangement Of Cis- And Trans-Stilbene Oxides. An Exercise In 1H Nmr Spectroscopy For Sophomore Organic Laboratories, Ram S. Mohan, Erik A. Sgariglia, Regina Schopp, Kostas Gavardinas Dec 1999

The Discovery-Oriented Approach To Organic Chemistry. 3. Boron-Trifluoride Catalyzed Rearrangement Of Cis- And Trans-Stilbene Oxides. An Exercise In 1H Nmr Spectroscopy For Sophomore Organic Laboratories, Ram S. Mohan, Erik A. Sgariglia, Regina Schopp, Kostas Gavardinas

Ram S. Mohan

Epoxides, or oxiranes, are among the most versatile intermediates in organic synthesis. Yet very few examples of laboratory experiments involving reactions of epoxides are to be found in lab texts. We have developed a discovery-oriented laboratory experiment that involves the rearrangement of both cis- and trans-stilbene oxides with boron trifluoride etherate. The identity of the product can be easily determined by 1H NMR spectroscopy and, in case of the trans isomer, by preparation of the semicarbazone derivative as well. In spite of the simplicity of the experiment, the element of discovery ensures that student interest and enthusiasm are retained.

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Isolation Of Curcumin From Tumeric, Ram S. Mohan, Andrew M. Anderson, Matthew S. Mitchell Dec 1999

Isolation Of Curcumin From Tumeric, Ram S. Mohan, Andrew M. Anderson, Matthew S. Mitchell

Ram S. Mohan

No abstract provided.

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Bismuth(Iii) Oxide Perchlorate Promoted Rearrangement Of Epoxides To Aldehydes And Ketones, Ram S. Mohan, Andrew M. Anderson, Jesse M. Blazek, Parie Garg, Brian J. Payne Dec 1999

Bismuth(Iii) Oxide Perchlorate Promoted Rearrangement Of Epoxides To Aldehydes And Ketones, Ram S. Mohan, Andrew M. Anderson, Jesse M. Blazek, Parie Garg, Brian J. Payne

Ram S. Mohan

Aryl-substituted epoxides and aliphatic epoxides with a tertiary epoxide carbon undergo smooth rearrangement in the presence of 10–50 mol% bismuth(III) oxide perchlorate, BiOClO4•xH2O, to give carbonyl compounds. The rearrangement is regioselective with aryl substituted epoxides and a single carbonyl compound arising from cleavage of benzylic C―O bond is formed. BiOClO4•xH2O is relatively non-toxic, insensitive to air and inexpensive, making this catalyst an attractive alternative to more corrosive and toxic Lewis acids such as BF3•Et2O or InCl3 currently used to effect epoxide rearrangements.

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