4.1 Article

Radical chain reactions involving 9-alkyl-9-borafluorenes

期刊

ARKIVOC
卷 -, 期 -, 页码 274-286

出版社

ARKAT USA INC
DOI: 10.3998/ark.5550190.p008.548

关键词

Radical reaction; Lewis acidity; hydroboration; sulfurization; thiosulfonates; sulfones; sulfonyl chloride

资金

  1. Swiss National Science Foundation [20020_135087]
  2. 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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