Multinuclear NMR spectra, H-1-T-1 relaxation, conformational behavior, and intramolecular H delta-....delta+H contacts of N-borane cyclic adducts in solution

Guizado-Rodriguez M; Flores-Parra A; Sanchez-Ruiz SA; Tapia-Benavides R; Contreras R; Bakhmutov VI

Inorganic Chemistry, Vol.40, No.13, 3243-3246, 2001

Guizado-Rodriguez M, Flores-Parra A, Sanchez-Ruiz SA, Tapia-Benavides R, Contreras R, Bakhmutov VI

The VT H-1 NMR and H-1-NOESY spectra revealed "frozen" envelope conformations in solutions of 1 and 2 with the BR3 groups in equatorial positions. The H-1-T-1 relaxation measurements provided determinations of the intramolecular proton-hydride contacts in solutions of adducts 1 and 8.