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Directive Effects of Substituents on the Electron Transfer Photoreduction of N-Methylphthalimide by 2,3-Dimethyl-2-butene

โœ Scribed by Paul H. Mazzocchi; Frederich Khachik

Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
163 KB
Volume
24
Category
Article
ISSN
0040-4039

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โœฆ Synopsis

Irradiation of a series of aryl substituted phthalimides in the presence of 2,3dimethyl-2-butene results in a single regiochemical photoreduction product for each substituent.

The results are consistent with substituent stabilization effects on the intermediate phthalimide radical anion.

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The chair-chair conformational equilibria (A + B) of a series of 1,3,2-dioxaphosphorinanes featuring threecoordinated phosphorus substituted with a n isoPr2N group (1-6) have been studied by 'H N M R spectroscopy. Substituents at N(3) included Ph, Me, and isoPK Compared to the analogous series with