Reactivity of 5‐(Alkynyl)dibenzothiophenium Salts: Synthesis of Diynes, Vinyl Sulfones, and Phenanthrenes
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DOI: 10.1002/ejoc.202100323
Abstract: Abstract The reactivity of 5‐(alkynyl)dibenzothiophenium salts 1 is explored in the presence of different nucleophiles, dienes, and under photochemical conditions. Reaction with lithium acetylides affords diynes in moderate yields; while depending on the substitution pattern,… read more here.
Keywords: dibenzothiophenium salts; reactivity alkynyl; alkynyl dibenzothiophenium; vinyl sulfones ... See more keywords
Oxidation-Cyclisation of Biphenyl Thioethers to Dibenzothiophenium Salts for Ultrarapid 18F-Labelling of PET Tracers
Sign Up to like & getrecommendations! Published in 2022 at "International Journal of Molecular Sciences"
DOI: 10.3390/ijms232415481
Abstract: 18F-labelled radiotracers are in high demand and play an important role for diagnostic imaging with positron emission tomography (PET). Challenges associated with the synthesis of the labelling precursors and the incorporation of [18F]fluoride with practical… read more here.
Keywords: pet tracers; dibenzothiophenium salts; pet; oxidation cyclisation ... See more keywords