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Substituent Effect on Regioselectivity in Oxygenation of Multisubstituted Acenes.

✍ Scribed by Xin Zhou; Masanori Kitamura; Baojian Shen; Kiyohiko Nakajima; Tamotsu Takahashi

Book ID
101962554
Publisher
John Wiley and Sons
Year
2004
Weight
130 KB
Volume
35
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

For Abstract see ChemInform Abstract in Full Text.

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The effect of a remote substituent on the regioselectivity in the oxymercuration of unsymmetrical substituted norbornenes has been investigated. Moderate to high levels of regioselectivity were observed with both exo-and endo-substituents at C-2 of norbornenes.

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AbstractÐThe photorearrangement of a few 9,10-disubstituted-naphthobarrelenes to the corresponding naphthosemibullvalenes has been examined. It was observed that the regioselectivity in these photoisomerizations depends on the relative stabilities of the diradical intermediates. AM1 semi-empirical c