Journal of Organometallic Chemistry p. 173 - 188 (1984)
Update date:2022-08-03
Topics:
Kliegel, Wolfgang
Ahlenstiel, Eckart
Various diarylboron chelates of the cyclic B,N-betaine type (2,7,11) are synthesized from N-(2-hydroxyalkyl)-N,N-dialkylamine-N-oxides (1) and diarylboron reagents.They are rearranged in a thermally induced intramolecular redox reaction, during which the N-oxide is deoxygenated and the borinic acid moiety is oxidized to the state of boronic acid.The rearrangement products 3, 8 and 12 are converted to new B,N-betaine type chelates 5 and 9 by re-chelation with N-oxides (1).
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