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Two is better than one: In the presence of Pd(OAc)2 and Cu(OAc)2, o‐(1‐alkynyl)benzamides 1 were converted into bis‐iminobenzoisofurans with an axially chiral 1,3‐diene 2 unit. The coexistence of both Pd and Cu catalysts was found to be essential for both the cyclizative dimerization process and for the observed unusual cyclization mode.
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