Klimovitskii E.; Kikilo P.; Dobrynin A.; Kataeva O.; Litvinov I.; Fedorenko V.; Shtyrlin Y.
(2004)
According to dynamic 13C NMR spectroscopy trans-2-R-(R=Ph, Me, Et, Pri)-5,6-benzocycloheptene-1-oxides at -60°C in CDCl 3 exist as an equilibrium mixture of the chair and boat forms with the substituents in the equatorial ...