The addition of elemental selenium to organolithium compounds 1 or organic selenates 2 gives organic diselenolates 3. The reactions proceed by the insertion of two selenium atoms into the carbon-metal bonds or of one selenium atom into a selenolate. Evidence for the existence of n-butyldisilenol has also been obtained.

Die Zugabe von elementarem Selen zu den Organolithiumverbindungen 1 oder organischen Selenaten 2 liefert die organischen Diselenolate 3. Die Reaktionen verlaufen unter Insertion zweier Selenatome in die Kohlenstoff‐Metall‐Bindungen oder eines Selenatoms in ein Selenat. Ein Beleg für die Existenz von n‐Butyldisilenol wurde ebenfalls erhalten.

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