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ChemInform Abstract: Photoreactions of trans-10b,10c-Dimethyl-10b,10c-dihydropyrenes.

✍ Scribed by H. CERFONTAIN; A. KOEBERG-TELDER; B. H. BAKKER; R. H. MITCHELL; M. TASHIRO

Book ID: 101849041
Publisher: John Wiley and Sons
Year: 2010
Weight: 27 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199732083

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## Abstract The radical anion of __trans__‐10b, 10c‐dihydropyrene (V), which is formed upon reduction of the isomeric [2.2]metacyclophane‐1,9‐diene (III) with solvated electrons, has been identified by its ESR.‐spectrum. The large coupling constant (19.1 Gauss), due to the two equivalent β‐protons