Abstract
AbstractInteresting oxygen transfers from the o‐nitro group to allenic carbons were observed in allenyl o‐nitrophenyl sulphides under electron impact conditions giving rise to abundant fragment ions at m/z 151, 138 and 136. However, a similar oxygen transfer to the sulphur leads to another intense ion at m/z 145. The proposed fragmentation pathways and the ion structures were established through high‐resolution data, collision‐activated dissociation mass‐analysed ion kinetic energy and B/E linked‐scan spectra.
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