The sulfuranyl radical structure and reactions of o-(thio) benzoyloxyl radicals formed by the decomposition of t-butyl o-(thio)-perbenzoates studied by 1H and 13C …

W Nakanishi, Y Kusuyama, Y Ikeda…

Index: Nakanishi; Kusuyama; Ikeda; Iwamura Bulletin of the Chemical Society of Japan, 1983 , vol. 56, # 10 p. 3123 - 3128

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Abstract

1 H and 13 C CIDNP signals were observed in the methyl group of o-(methylthio) benzoic acid and the methylene group of 3, 1-benzoxathian-4-one (6) during the thermal decomposition of t-butyl o-(methylthio) perbenzoate. The results show that the free “o- (methylthio) benzoyloxyl radical” itself is better represented as the bridged sulfuranyl radical in which most of the spin density is localized at the sulfur atom rather than in the carboxyl. ...