Journal
ARKIVOC
Volume -, Issue -, Pages 274-286Publisher
ARKAT USA INC
DOI: 10.3998/ark.5550190.p008.548
Keywords
Radical reaction; Lewis acidity; hydroboration; sulfurization; thiosulfonates; sulfones; sulfonyl chloride
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Funding
- Swiss National Science Foundation [20020_135087]
- University of Bern
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The preparation of 9-alkyl-9-borafluorenes and their use as radical precursors in chain reactions were investigated. These organoboranes were found to be excellent precursors of primary and secondary alkyl radicals. Reactions were readily initiated by traces of oxygen and efficient processes involving sulfonyl-based radical traps were discovered. Due to the very high reactivity of the intermediate 9-H and 9-alkyl-9-borafluorenes, problems of reproducibility were identified.
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