Publication detail

Taming the Oxidative Power of SeO3 in 1,4-Dioxane, Isolation of Two New Isomers of Mixed-Valence Selenium Oxides, and Two Unprecedented Cyclic Esters of Selenic Acid

RICHTERA, L. JANČÍK, J. MARTÍNEZ-OTERO, D. POKLUDA, A. ŽÁK, Z. TARABA, J. TOUŽÍN, J.

Original Title

Taming the Oxidative Power of SeO3 in 1,4-Dioxane, Isolation of Two New Isomers of Mixed-Valence Selenium Oxides, and Two Unprecedented Cyclic Esters of Selenic Acid

Type

journal article in Web of Science

Language

English

Original Abstract

The reaction of (SeO3)4 with 1,4-dioxane (diox, dioxane) with or without diluting solvent led to the isolation of the unprecedented esters of selenic acid-1,2-ethyl selenate (CH2O)2SeO2 and the glyoxal diselenate O2Se[(OCHO)2]SeO2. It was possible to isolate an unknown dimeric form of Se2O5 (Se4O10.(diox)2) and a geometrical isomer of the mixed-valence oxide trans-Se3O7, both stabilized by dioxane. The dioxane adduct of monomeric selenium trioxide SeO3.diox was obtained from the reaction of (SeO3)4 with dioxane in liquid SO2. The reaction mechanism for the formation of these compounds was elucidated, and the molecular structure of the unstable form of the selenium trioxide was determined, consisting in a trimeric arrangement (SeO3)3.

Keywords

Selenium trioxide; Cyclic esters; Selenium(VI); Mixed valence species; Reaction mechanism

Authors

RICHTERA, L.; JANČÍK, J.; MARTÍNEZ-OTERO, D.; POKLUDA, A.; ŽÁK, Z.; TARABA, J.; TOUŽÍN, J.

RIV year

2014

Released

7. 7. 2014

Publisher

American Chemical Society

ISBN

0020-1669

Periodical

Inorganic Chemistry

Year of study

53

Number

13

State

United States of America

Pages from

6569

Pages to

6577

Pages count

9

URL

http://pubs.acs.org/doi/abs/10.1021/ic500137z

BibTex

@article{BUT108444,
  author="RICHTERA, L. and JANČÍK, J. and MARTÍNEZ-OTERO, D. and POKLUDA, A. and ŽÁK, Z. and TARABA, J. and TOUŽÍN, J.",
  title="Taming the Oxidative Power of SeO3 in 1,4-Dioxane, Isolation of Two New Isomers of Mixed-Valence Selenium Oxides, and Two Unprecedented Cyclic Esters of Selenic Acid",
  journal="Inorganic Chemistry",
  year="2014",
  volume="53",
  number="13",
  pages="6569--6577",
  doi="10.1021/ic500137z",
  issn="0020-1669",
  url="http://pubs.acs.org/doi/abs/10.1021/ic500137z"
}