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Efficient Synthesis of Biindenylidene Derivatives via a Domino-Heck-Type Double Cyclization of Diaryldienynes.

✍ Scribed by S. M. Abdur Rahman; Motohiro Sonoda; Kayo Itahashi; Yoshito Tobe

Publisher
John Wiley and Sons
Year
2004
Weight
98 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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## Abstract **Verdoppelter Einsatz**: Die Titelreaktion überführt eine Reihe aromatischer Aldehyde in 26–85 % Ausbeute mithilfe von Allenylmethyl‐/Allylsilanen in 1,6‐Dioxecan‐Derivate (siehe Schema; Ar=Aryl, Tf=Triflat, THF=Tetrahydrofuran, TMS=Trimethylsilyl). Die Bisdien‐Produkte wurden durch Di