A zero-order reaction converts cis-dilithiostilbene (1), formed upon reduction of diphenylacetylene by lithium, into the trans isomer 2. The cis-monolithiated adduct acts as a catalyst.
In einer Reaktion nullter Ordnung wird cis‐Dilithiostilben 1, das aus Diphenylacetylen und Lithiummetall in Diethylether zugänglich ist, in das trans‐Isomer 2 umgelagert. Monolithiiertes Stilben fungiert dabei als Katalysator.
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