Conformational analysis of peri-interactions in napththalene derivatives. Ring inversion in CH2–X–CH2-bridged peri-naphthalenes
Abstract
Barriers to ring inversion of the six-membered rings formed by bridging the 1- and 8-position of naphthalene with a CH2–X–CH2 chain (X = CH2, O, S, Se, or Te), are reported and discussed in terms of torsional interactions and bond angle strain present in these inverting molecules.