A5047615712- Asymmetric Hydrogenation and Catalysis
- Metal complexes synthesis and properties
- Organometallic Complex Synthesis and Catalysis
- Ferrocene Chemistry and Applications
- Metalloenzymes and iron-sulfur proteins
- Molecular Junctions and Nanostructures
- Synthetic Organic Chemistry Methods
- Inorganic and Organometallic Chemistry
- Fuel Cells and Related Materials
- History and advancements in chemistry
- Crystal structures of chemical compounds
- Advanced Battery Materials and Technologies
- Catalytic Alkyne Reactions
- Vanadium and Halogenation Chemistry
- Carbon Dioxide Capture Technologies
- Inorganic Chemistry and Materials
- Mesoporous Materials and Catalysis
- Cyclopropane Reaction Mechanisms
- Thermal and Kinetic Analysis
- Catalysis and Hydrodesulfurization Studies
- Polyoxometalates: Synthesis and Applications
- Synthesis and Catalytic Reactions
- Synthesis of β-Lactam Compounds
- Biodiesel Production and Applications
- Carbon Nanotubes in Composites
TDA Research (United States)
1996-2016
Denver School of Nursing
2001
University of Colorado Boulder
1997
University of Kansas
1989-1993
Membranes are of interest for a wide variety applications such as gas separation, water desalination, fuel cells and batteries. Because the flux across membrane scales inversely with thickness, thick is required to achieve high selectivity, at expense permeability. New ultrathin membranes which promise offer selectivity permeability highly desirable. Elemental sulfur can provide five times higher capacity than existing Li-ion cathode materials based on transition metal oxides or phosphates....
New dinuclear cyclopentadienylrhenium derivatives with four bridging sulfur ligands have been synthesized and characterized. The disulfide in [Cp'Re(μ-S2)]2Cl2 found to react dihydrogen, acetylene, ethene under mild conditions.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTAsymmetric alkylidene and oxo complexes of tungsten(VI)Joseph A. Heppert, Steven D. Dietz, Nancy W. Eilerts, Robert Henning, Martha Morton, Fusao Takusagawa, Frank KaulCite this: Organometallics 1993, 12, 7, 2565–2572Publication Date (Print):July 1, 1993Publication History Published online1 May 2002Published inissue 1 July 1993https://pubs.acs.org/doi/10.1021/om00031a029https://doi.org/10.1021/om00031a029research-articleACS PublicationsRequest...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTDinuclear cyclopentadienylmolybdenum complexes containing thioether ligands. Ligand substitution and desulfurization reactionsJ. Gabay, S. Dietz, P. Bernatis, M. Rakowski DuBoisCite this: Organometallics 1993, 12, 9, 3630–3635Publication Date (Print):September 1, 1993Publication History Published online1 May 2002Published inissue 1 September 1993https://pubs.acs.org/doi/10.1021/om00033a040https://doi.org/10.1021/om00033a040research-articleACS...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTBinaphtholate and binaphtholate chloride complexes of tungsten(VI)Steven D. Dietz, Nancy W. Eilerts, Joseph A. Heppert, Martha MortonCite this: Inorg. Chem. 1993, 32, 9, 1698–1705Publication Date (Print):April 1, 1993Publication History Published online1 May 2002Published inissue 1 April 1993https://pubs.acs.org/doi/10.1021/ic00061a027https://doi.org/10.1021/ic00061a027research-articleACS PublicationsRequest reuse permissionsArticle...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXT(Binaphtholato)tetra-tert-butoxoditungen: the first metal-metal multiple bond supported by a chiral alkoxide ligandJoseph A. Heppert, Steven D. Dietz, Timothy J. Boyle, and Fusao TakusagawaCite this: Am. Chem. Soc. 1989, 111, 4, 1503–1505Publication Date (Print):February 1, 1989Publication History Published online1 May 2002Published inissue 1 February...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSubstitution reactions of a .mu.-thioether ligand in dinuclear cyclopentadienylmolybdenum complexesD. S. Tucker, Dietz, K. G. Parker, V. Carperos, J. Gabay, B. Noll, M. Rakowski DuBois, and Charles F. CampanaCite this: Organometallics 1995, 14, 9, 4325–4333Publication Date (Print):September 1, 1995Publication History Published online1 May 2002Published inissue 1 September...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTRing size effects in phenol-phenolate tungsten (VI) chelatesMartha D. Morton, Joseph A. Heppert, Steven Dietz, Wayne H. Huang, David Ellis, Tiffany Grant, Nancy W. Eilerts, Denise L. Barnes, Fusao Takusagawa, and VanderVeldeCite this: J. Am. Chem. Soc. 1993, 115, 17, 7916–7917Publication Date (Print):August 1, 1993Publication History Published online1 May 2002Published inissue 1 August 1993https://doi.org/10.1021/ja00070a063RIGHTS &...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis and reactivity of binaphtholate complexes a d3-d3 ditungsten templateSteven D. Dietz, Nancy W. Eilerts, Joseph A. Heppert, David Vander VeldeCite this: Inorg. Chem. 1993, 32, 9, 1689–1697Publication Date (Print):April 1, 1993Publication History Published online1 May 2002Published inissue 1 April 1993https://pubs.acs.org/doi/10.1021/ic00061a026https://doi.org/10.1021/ic00061a026research-articleACS PublicationsRequest reuse...
ADVERTISEMENT RETURN TO ISSUEPREVArticleCharacterization of new tungsten(VI) amide complexesSteven Dietz, V. Allured, and M. Rakowski DuBoisCite this: Inorg. Chem. 1993, 32, 23, 5418–5420Publication Date (Print):November 1, 1993Publication History Published online1 May 2002Published inissue 1 November 1993https://pubs.acs.org/doi/10.1021/ic00075a079https://doi.org/10.1021/ic00075a079research-articleACS PublicationsRequest reuse permissionsArticle Views198Altmetric-Citations6LEARN ABOUT THESE...
Diastereomeric binaphtholato complexes with the composition [W2(bino)2(OtBu)2] (H2bino = 1,1′-bi-2-naphthol), anti and gauche isomers 1 2, are formed from reaction of [W2(OtBu)6] rac H2bino or (R)-H2bino respectively. Isomers 2 differ considerably in their thermodynamic stability: is stable at room temperature can be used for further diastereoselective exchange reactions, decomposes only a short time producing ter-butanol, isobutene, [W2{(R,R,R)-bino}3]. The arrangement tBuO ligands...
Several β-chloroalkyl chloroformates have been treated with aziridines (ethylenimine or propylenimine) to obtain excellent yields of aziridinylformates. In each case, it was found that the aziridinylformates rearranged upon thermloysis give good N-(β-chloroalkyl)-2-oxazolidones.
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Diastereoisomere Binaphtholatokomplexe der Forniel [W 2 (bino) (O t Bu) ] (H bino = 1,l′‐ Bi‐2‐naphthol), die anti ‐ und gauche ‐Isomere 1 , entstehen bei Umnsetzung von 6 mit rac ‐H bino. bzw. ( R )‐ H unterscheiden sich beträchtlich in ihrer thermodynamischen Stabilitätat: ist Raumtemperatur unbegrenzt haltbar kann für weitere diastereoselektive Austauschreaktionen genutzt werden, zersetzt innerhalb kurzer Zeit zu tert ‐Butylalkohol, Isobuten {( R,R,R )‐bino} 3 ], wobei ‐Anordnung...