title: Formation and X-ray structure of a seven-membered C4OBN heterocycle by a THF ring-expansion process.
abstract: 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.
authors.affiliation: Department of Chemistry, University of Calgary, Calgary, Alberta T2N 1N4, Canada.
authors.forename: Andrea M
authors.initials: AM
authors.lastname: Corrente
authors.forename: Tristram
authors.initials: T
authors.lastname: Chivers