title: Dynamic NMR studies of a potential chiroptical switch based on dithiocarbamate-iminodithiolane interconversion.
abstract: [reaction: see text]. Variable temperature NMR spectra of the chiral spiro[(4-N,N-dimethyldithiocarbamato)-(2-N,N-dimethylimino)-1,3-dithiolane-5,9'-xanthene] show complex dynamics including degenerate interconversion of the dithiocarbamate and iminodithiolane groups. The rate of this switching process can be controlled by chemical modification: the analogous spiro[dithiolane-fluorene] derivative shows no interconversion. These novel materials have potential application as molecular switching elements in information storage devices.
authors.affiliation: Department of Chemistry, Santa Clara University, Santa Clara, California 95053, USA.
authors.forename: L B
authors.initials: LB
authors.lastname: Aubin
authors.forename: T M
authors.initials: TM
authors.lastname: Wagner
authors.forename: J D
authors.initials: JD
authors.lastname: Thoburn
authors.forename: B S
authors.initials: BS
authors.lastname: Kesler
authors.forename: K A
authors.initials: KA
authors.lastname: Hutchison
authors.forename: R R
authors.initials: RR
authors.lastname: Schumaker
authors.forename: J P
authors.initials: JP
authors.lastname: Parakka