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53.9), von denen letzteres einemdoppelt-gebundenen 13C-Atom zuzuordnen ist. Auf der Suche nach echten Hexaarylathanen fanden wir jedoch, da13 dimeres 9-Phenyl-fluorenyl im 1H-NMR-Spektrum Beschreibung der Versuche

A facile and rapid accessibility to the libraries containing several mono, and disubstituted benzo(b)furan derivatives substituted with a variety of electron rich and electron capturing groups on 2, 4, 5, 6, and 7 positions of its nucleus has been explored using the PdCl 2 (CH 3 CN) 2 catalyzed heterocyclization of the corresponding 2-allylphenols to afford 2(a-m) in good yield and high purity.

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