An NMR investigation of the Mills-Nixon effect

MJ Collins, JE Gready, S Sternhell…

Index: Collins, Michael J.; Gready, Jill E.; Sternhell, Sever; Tansey, Charles W. Australian Journal of Chemistry, 1990 , vol. 43, p. 1547 - 1557

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Citation Number: 28

Abstract

Abstract The 4 J (HC-C-Me) coupling constant, previously established 1-3 as a probe of bond order, was used to examine the bond orders in a series of ortho-bridged compounds: benzocyclopropene, 1, 2-dihydrobenzocyclobutene, indan and tetralin. No evidence for sterically induced bond fixation (ie the Mills-Nixon 4 effect) was found, but some evidence for electronic distortion In the corresponding benzylic ketones was observed. The ...

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