Conformation of non‐aromatic ring compounds XXX: Dipole moments, NMR spectra and conformations of some trans‐1,2‐dihalogenocyclopentanes

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Linear relations were also found for six‐ and seven‐membered dihalogenoalkanes but with different constants on account of different geometries. We believe that the method described here will prove to be of general value in conformational analysis of cyclic compounds15.

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The signs are defined for ΔH0= H0EE‐ H0AA etc.

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We are indebted to Drs.P. KorverandP. J. van der Haak Laboratory of Organic Chemistry University of Amsterdam for taking the high‐temperature NMR spectra.