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One electron oxidation of 4-methyl thiophenol

Conference:

Abstract

4-Methyl thiophenol(MTP) undergoes one electron oxidation with N{sub 3}{sup .} and Br{sub 2}{sup -.} radicals at pH 11 to give 4-methyl phenylthiyl radical (CH{sub 3}C{sub 6}H{sub 4}S{sup .}) with {lambda}{sub max} at 310 and 500 nm. OH radicals react with MTP by addition to the benzene ring and also by oxidation to give both hydroxycyclohexadienyl type radicals ({approx} 25%, {lambda}{sub max} = 390 nm) and CH{sub 3}C{sub 6}H{sub 4}S{sup .} radicals ({approx} 75%). In acidic solutions, H-atoms, CO{sub 2}{sup -.} and (CH{sub 3}){sub 2}COH radicals abstract H-atom from -SH group to give the same species, thus acting as oxidants. This radical was found to be neither oxidising nor reducing in nature and decayed by second order kinetics. (author). 2 refs., 2 figs.
Authors:
Naik, D B; Dey, G R; Kishore, K; Moorthy, P N [1] 
  1. Bhabha Atomic Research Centre, Bombay (India). Applied Chemistry Division
Publication Date:
Dec 31, 1994
Product Type:
Conference
Report Number:
CONF-9401116-
Reference Number:
SCA: 400600; PA: AIX-26:062493; EDB-95:131114; SN: 95001457663
Resource Relation:
Conference: TRSP-94: Trombay symposium on radiation and photochemistry, Bombay (India), 17-21 Jan 1994; Other Information: PBD: 1994; Related Information: Is Part Of Trombay symposium on radiation and photochemistry. Preprints vol.2: contributed papers; PB: 407 p.
Subject:
40 CHEMISTRY; THIOPHENOLS; RADIOLYSIS; ABSORPTION SPECTRA; CHEMICAL REACTION KINETICS; ELECTRON BEAMS; HYDROXYL RADICALS; OXIDATION; PULSED IRRADIATION
OSTI ID:
100375
Research Organizations:
Department of Atomic Energy, Bombay (India). Board of Research in Nuclear Sciences
Country of Origin:
India
Language:
English
Other Identifying Numbers:
TRN: IN9501089062493
Submitting Site:
INIS
Size:
pp. 37-39
Announcement Date:
Jan 16, 2004

Conference:

Citation Formats

Naik, D B, Dey, G R, Kishore, K, and Moorthy, P N. One electron oxidation of 4-methyl thiophenol. India: N. p., 1994. Web.
Naik, D B, Dey, G R, Kishore, K, & Moorthy, P N. One electron oxidation of 4-methyl thiophenol. India.
Naik, D B, Dey, G R, Kishore, K, and Moorthy, P N. 1994. "One electron oxidation of 4-methyl thiophenol." India.
@misc{etde_100375,
title = {One electron oxidation of 4-methyl thiophenol}
author = {Naik, D B, Dey, G R, Kishore, K, and Moorthy, P N}
abstractNote = {4-Methyl thiophenol(MTP) undergoes one electron oxidation with N{sub 3}{sup .} and Br{sub 2}{sup -.} radicals at pH 11 to give 4-methyl phenylthiyl radical (CH{sub 3}C{sub 6}H{sub 4}S{sup .}) with {lambda}{sub max} at 310 and 500 nm. OH radicals react with MTP by addition to the benzene ring and also by oxidation to give both hydroxycyclohexadienyl type radicals ({approx} 25%, {lambda}{sub max} = 390 nm) and CH{sub 3}C{sub 6}H{sub 4}S{sup .} radicals ({approx} 75%). In acidic solutions, H-atoms, CO{sub 2}{sup -.} and (CH{sub 3}){sub 2}COH radicals abstract H-atom from -SH group to give the same species, thus acting as oxidants. This radical was found to be neither oxidising nor reducing in nature and decayed by second order kinetics. (author). 2 refs., 2 figs.}
place = {India}
year = {1994}
month = {Dec}
}