Survival of ring currents in planar monocycles subject to [2 + 2] addition of one, two, three, etc., even-carbon polyene clamping groups is governed by a parity rule. If addition is across positions (i1,i1 + 1), (i2,i2 + 1),...,(ij,ij + 1) for clamps 1, 2,...,j, then, if any of i1,i2,...,ij is odd, current is quenched in the central ring; if all of i1,i 2,...,ij are even, the central ring current survives.

A parity rule for ring currents in π-clamped monocycles

Soncini A.;
2004

Abstract

Survival of ring currents in planar monocycles subject to [2 + 2] addition of one, two, three, etc., even-carbon polyene clamping groups is governed by a parity rule. If addition is across positions (i1,i1 + 1), (i2,i2 + 1),...,(ij,ij + 1) for clamps 1, 2,...,j, then, if any of i1,i2,...,ij is odd, current is quenched in the central ring; if all of i1,i 2,...,ij are even, the central ring current survives.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3445261
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