Polyfluoroaryl organometallic compounds—VII: Synthesis and nucleophilic substitution in octafluorodibenzothiophen and in octafluorothianthren
RD Chambers, JA Cunningham, DJ Spring
Index: Chambers,R.D. et al. Tetrahedron, 1968 , vol. 24, p. 3997 - 4005
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Citation Number: 16
Abstract
Octaflurodibenzothiophen is synthesized by Ullmann coupling of bis (o- bromotetrafluorophenyl) sulphide and is shown to udergo nucleophilic substitution in the 2- position by methoxide ion. Similarly, substitution in octafluorothianthren occurs in the 2- position. The orientation of substitution in octafluorodibenzothiophen was deduced from the NMR spectra of the products and of the biphenyls which are produced by desulphurization ...
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