RADICAL IONS 561,2ONE-ELECTRON OXIDATION OF 1,2-DITHIETE DERIVATIVES
- 1 February 1984
- journal article
- research article
- Published by Taylor & Francis in Phosphorus and Sulfur and the Related Elements
- Vol. 19 (1) , 131-136
- https://doi.org/10.1080/03086648408077571
Abstract
Novel 1,2-dithiete derivatives R2C2S2 with R = [sbnd]C(CH3)3 and [sbnd]C(CH3)2[sbnd]CH2[sbnd]CH2[sbnd]CH2[sbnd]C(CH3)2[sbnd] are readily oxidized by the one-electron transfer system AlCl3/H2CCl2 to their radical cations. The single line ESR spectra, on high amplification, exhibit 33S satellites in natural abundance. Both the ESR data, i.e. rather large g values and 33S hyperfine coupling constants as well as MNDO closed and open shell calculations for the parent molecule H2C2S2 illustrate that spin and positive charge are predominantly located in the SS bridge of the four-membered ring.Keywords
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