Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Dissociative cycloelimination, a new selenium based pericyclic reaction.

L Henriksen1, S Jakobsen

  • 1Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark. larsh@kiku.dk

Chemical Communications (Cambridge, England)
|September 21, 2002
PubMed
Summary

Selenoxides catalyze reactions by forming intermediate selenuranes, facilitating stereospecific hydrazine oxidation and hydrogen peroxide disproportionation through a unique cycloelimination mechanism.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Development and implementation of a rapid surveillance system for tobacco product retail availability in six U.S. sites.

Preventive medicine reports·2026
Same author

First Measurement of Time-Dependent CP Violation in the Flavor-Changing Neutral-Current Decay B^{0}→K_{S}^{0}μ^{+}μ^{-}.

Physical review letters·2026
Same author

Measurement of the Top-Quark Production Cross Section and Charge Asymmetry at LHCb.

Physical review letters·2026
Same author

Searches for B^{0}→K^{+}π^{-}τ^{+}τ^{-} and B_{s}^{0}→K^{+}K^{-}τ^{+}τ^{-} Decays.

Physical review letters·2026
Same author

First Evidence of the B_{s}^{0}→K^{-}π^{+}γ Decay.

Physical review letters·2026
Same author

Precision Measurement of CP Violation and Branching Fractions in B^{±}→K_{S}^{0}h^{±} (h=π, K) Decays and Search for the Rare Decay B_{c}^{±}→K_{S}^{0}K^{±}.

Physical review letters·2026

Area of Science:

  • Organic Chemistry
  • Reaction Mechanisms

Background:

  • Selenoxides are known to participate in various chemical transformations.
  • Understanding the precise mechanisms of these reactions is crucial for synthetic applications.

Purpose of the Study:

  • To elucidate the reaction mechanism of selenoxide-mediated stereospecific oxidation of hydrazine.
  • To investigate the role of selenoxides in the catalytic disproportionation of hydrogen peroxide.

Main Methods:

  • Theoretical analysis of reaction pathways.
  • Computational modeling of intermediate species.

Main Results:

  • A proposed mechanism involving a dissociative cycloelimination from an intermediary selenurane.
  • This mechanism explains the formation of cis-diimide from hydrazine.

Related Experiment Videos

  • The same mechanism is suggested for hydrogen peroxide disproportionation.

    • Conclusions:

    • The intermediary selenurane plays a key role in selenoxide-mediated reactions.
    • Dissociative cycloelimination is a unifying mechanism for these transformations.
    • This finding provides insights into the reactivity of organoselenium compounds.