Formation and X-ray structure of a seven-membered C4OBN heterocycle by a THF ring-expansion process.
The reaction of BCl3 with two equivalents of LiN(H)Dipp (Dipp = 2,6-diisopropylphenyl) in THF produces DippN(H)BO(CH2)4NDipp, which contains a puckered seven-membered C4OBN ring.
Corrente
Andrea M
AM
Department of Chemistry, University of Calgary, Calgary, Alberta T2N 1N4, Canada.
Chivers
Tristram
T