title: Alkoxyamine-cyanoborane adducts: efficient cyanoborane transfer agents.
abstract: We report the synthesis of the hitherto unknown zwitterionic alkoxyamino cyanoboranes by reduction of O-alkyloximes with sodium cyanoborohydride; unprecedented cyanoboronated N-alkoxyformamidines were also isolated as by-products. Boronated alkoxyamines were found to be efficient cyanoborane transfer agents towards more basic amines, including aminosugars; they were also successfully transformed into neoglycoconjugates by the neoglycorandomization reaction with reducing sugars.
authors.affiliation: Departamento de Química Orgánica, Facultad de Química, Universidad de Sevilla, c/Profesor García González 1, E-41012, Seville, Spain.
authors.forename: José M
authors.initials: JM
authors.lastname: Márquez
authors.forename: Elisa
authors.initials: E
authors.lastname: Martínez-Castro
authors.forename: Serena
authors.initials: S
authors.lastname: Gabrielli
authors.forename: Óscar
authors.initials: Ó
authors.lastname: López
authors.forename: Inés
authors.initials: I
authors.lastname: Maya
authors.forename: Manuel
authors.initials: M
authors.lastname: Angulo
authors.forename: Eleuterio
authors.initials: E
authors.lastname: Álvarez
authors.forename: José G
authors.initials: JG
authors.lastname: Fernández-Bolaños