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On the mechanism of bibenzyl formation by deoxidation/reduction of aromatic species with lithium 4,4′-di-t-butylbiphenyl radical anion - a correction

✍ Scribed by Adalbert Maercker; Ulrich Girreser


Publisher
Elsevier Science
Year
1990
Tongue
French
Weight
109 KB
Volume
31
Category
Article
ISSN
0040-4039

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✦ Synopsis


In the reaction of benzil with lithium in the presence of 4,4*-dit-butylbiphenyl (DBB) tram-stilbene 4 and dilithiobibensyl 5 are intermediates instead of the reported tetralithiobibenayl 2.


📜 SIMILAR VOLUMES


Deoxidation/reduction of aromatic esters
✍ Rafik Karaman; James L. Fry 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 208 KB

Sonication of aromatic esters, benzil, benwin, cis-and trans-stilbene, and tramstilbene oxide with excess lithium in the presence of catalytic amounts of 4,4'-di-t-butylbiphenyl (DBB) in dry THF afforded bibenzyl derivatives in high yields. The reactions of esters with alkali metals (Na and K) have