D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Chemistry D-index 58 Citations 11,422 388 World Ranking 5766 National Ranking 1813

Research.com Recognitions

Awards & Achievements

1981 - Fellow of the American Association for the Advancement of Science (AAAS)

1968 - Fellow of Alfred P. Sloan Foundation

Overview

What is he best known for?

The fields of study he is best known for:

  • Organic chemistry
  • Catalysis
  • Oxygen

His scientific interests lie mostly in Catalysis, Medicinal chemistry, Inorganic chemistry, Reaction rate constant and Methylrhenium trioxide. His Catalysis research is multidisciplinary, relying on both Photochemistry, Rhenium, Peroxide and Hydrogen peroxide. His study in the field of Pyridine is also linked to topics like Kinetic isotope effect.

His Inorganic chemistry study combines topics in areas such as Perchlorate, Ion, Chromium, Aqueous solution and Chloride. His Reaction rate constant research includes themes of Chemical kinetics, Radical, Stereochemistry and Physical chemistry. His Chemical kinetics study integrates concerns from other disciplines, such as Equilibrium constant and Reaction mechanism.

His most cited work include:

  • Spectroscopic parameters, electrode potentials, acid ionization constants, and electron exchange rates of the 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate) radicals and ions (212 citations)
  • Reactions of low-valent transition-metal complexes with hydrogen peroxide. Are they "Fenton-like" or not? 1. The case of Cu+aq and Cr2+aq (177 citations)
  • Cobalt-catalyzed evolution of molecular hydrogen (165 citations)

What are the main themes of his work throughout his whole career to date?

James H. Espenson focuses on Inorganic chemistry, Medicinal chemistry, Reaction rate constant, Catalysis and Photochemistry. His Inorganic chemistry research integrates issues from Chromium, Chemical kinetics, Ion and Aqueous solution. The concepts of his Chemical kinetics study are interwoven with issues in Chemical reaction, Group 2 organometallic chemistry, Equilibrium constant and Analytical chemistry.

The study incorporates disciplines such as Reaction intermediate, Stoichiometry, Reactivity and Alkyl in addition to Medicinal chemistry. His biological study spans a wide range of topics, including Crystallography, Radical, Homolysis, Stereochemistry and Reaction mechanism. His Catalysis research is multidisciplinary, incorporating elements of Peroxide, Rhenium, Hydrogen peroxide and Methylrhenium trioxide.

He most often published in these fields:

  • Inorganic chemistry (35.67%)
  • Medicinal chemistry (33.97%)
  • Reaction rate constant (29.09%)

What were the highlights of his more recent work (between 1997-2014)?

  • Catalysis (23.35%)
  • Medicinal chemistry (33.97%)
  • Organic chemistry (15.07%)

In recent papers he was focusing on the following fields of study:

His primary areas of study are Catalysis, Medicinal chemistry, Organic chemistry, Reaction rate constant and Rhenium. His study in Catalysis is interdisciplinary in nature, drawing from both Photochemistry, Peroxide, Oxygen and Hydrogen peroxide. His Medicinal chemistry research includes elements of Reactivity, Stereochemistry and Phosphine.

His work deals with themes such as Inorganic chemistry, Bromide, Crystallography and Aqueous solution, which intersect with Reaction rate constant. A large part of his Inorganic chemistry studies is devoted to Cobalt. He works mostly in the field of Rhenium, limiting it down to topics relating to Polymer chemistry and, in certain cases, Chelating ligands.

Between 1997 and 2014, his most popular works were:

  • Bromide Ions and Methyltrioxorhenium as Cocatalysts for Hydrogen Peroxide Oxidations and Brominations (109 citations)
  • Atom-transfer reactions catalyzed by methyltrioxorhenium(VII)—mechanisms and applications (98 citations)
  • Kinetic study of the phthalimide N-oxyl radical in acetic acid. Hydrogen abstraction from substituted toluenes, benzaldehydes, and benzyl alcohols (91 citations)

In his most recent research, the most cited papers focused on:

  • Organic chemistry
  • Catalysis
  • Oxygen

James H. Espenson spends much of his time researching Catalysis, Medicinal chemistry, Hydrogen peroxide, Organic chemistry and Photochemistry. James H. Espenson combines subjects such as Peroxide, Thiophenol, Oxygen and Rhenium with his study of Catalysis. His Medicinal chemistry research is multidisciplinary, relying on both Alcohol, Reaction rate constant, Reactivity and Hydrogen atom abstraction.

The study incorporates disciplines such as Decomposition, Inorganic chemistry, Stereochemistry, Radical and Phosphine in addition to Reaction rate constant. His biological study spans a wide range of topics, including Aryl and Chloride. His Photochemistry research integrates issues from Hydride, Reaction rate, Bromide, Nucleophile and Aqueous solution.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Spectroscopic parameters, electrode potentials, acid ionization constants, and electron exchange rates of the 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate) radicals and ions

Susannah L. Scott;Wen Jang Chen;Andreja Bakac;James H. Espenson.
The Journal of Physical Chemistry (1993)

312 Citations

Cobalt-catalyzed evolution of molecular hydrogen

Philip Connolly;James H. Espenson.
Inorganic Chemistry (1986)

253 Citations

Reactions of low-valent transition-metal complexes with hydrogen peroxide. Are they "Fenton-like" or not? 1. The case of Cu+aq and Cr2+aq

Mohamed. Masarwa;Haim. Cohen;Dan. Meyerstein;David L. Hickman.
Journal of the American Chemical Society (1988)

247 Citations

Epoxidation of Styrenes by Hydrogen Peroxide As Catalyzed by Methylrhenium Trioxide

Ahmad M. Al-Ajlouni;James H. Espenson.
Journal of the American Chemical Society (1995)

220 Citations

Unimolecular and bimolecular homolytic reactions of organochromium and organocobalt complexes. Kinetics and equilibria

Andreja Bakac;James H. Espenson.
Journal of the American Chemical Society (1984)

171 Citations

Bromide Ions and Methyltrioxorhenium as Cocatalysts for Hydrogen Peroxide Oxidations and Brominations

James H. Espenson;Zuolin Zhu;Timothy H. Zauche.
Journal of Organic Chemistry (1999)

164 Citations

Kinetics and Mechanism of the Epoxidation of Alkyl-Substituted Alkenes by Hydrogen Peroxide, Catalyzed by Methylrhenium Trioxide

Ahmad M. Al-Ajlouni;James H. Espenson.
Journal of Organic Chemistry (1996)

160 Citations

Deactivation of Methylrhenium Trioxide−Peroxide Catalysts by Diverse and Competing Pathways

Mahdi M. Abu-Omar;Peter J. Hansen;James H. Espenson.
Journal of the American Chemical Society (1996)

157 Citations

Characterization of the structure, properties, and reactivity of a cobalt(II) macrocyclic complex

Andreja Bakac;Mark E. Brynildson;James H. Espenson.
Inorganic Chemistry (1986)

146 Citations

Atom-transfer reactions catalyzed by methyltrioxorhenium(VII)—mechanisms and applications

James H. Espenson.
Chemical Communications (1999)

145 Citations

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