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- W1990495265 abstract "Reactions of nucleophiles with dimethylprop-2-ynylsulphonium and S-prop-2-ynyltetrahydrothiophenium bromides have been investigated. These salts readily isomerise to the allenic isomers ([graphic omitted]·C:C:C), which are susceptible to nucleophilic addition. The initially formed adducts, according to their structure, undergo several types of subsequent reaction. Most commonly, isomerisation of the initial non-conjugated adduct to the conjugated isomer is either followed by addition of a second nucleophile or the nucleophile dealkylates the sulphonium group by attack at carbon adjacent to sulphur. In the case of the cyclic sulphonium salt, dealkylation results in ring cleavage and formation of open-chain sulphides." @default.
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- W1990495265 date "1973-01-01" @default.
- W1990495265 modified "2023-10-17" @default.
- W1990495265 title "Elimination–addition. Part XXI. Addition–dealkylation reactions of acetylenic sulphonium salts with oxygen, sulphur, and nitrogen nucleophiles" @default.
- W1990495265 doi "https://doi.org/10.1039/p19730000059" @default.
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