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The Unexpectedly Stable Dianion of a Naphthalene-Tolan Photoadduct

✍ Scribed by Klaus Müllen

Publisher: John Wiley and Sons
Year: 1978
Tongue: German
Weight: 273 KB
Volume: 61
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19780610413

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✦ Synopsis

Abstract

Metal reduction of the polycycle 2 yields a surprisingly stable dianion with intact molecular framework. This conclusion can be drawn from reoxidation experiments and from an analysis of the ^1^H‐NMR. spectrum. The excess charge turns out to be distributed over both the π‐ and σ‐fragments of the molecule. The relative stabilities of ionic species derived from 1, 2 and 3 are considered.

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