Umsetzungen des 1,2-bis(3-indenyl)ethan-dianions mit photochemisch aktivierten carbonylkomplexen des chroms, molybdäns und wolframs. Molekülstrukturen von C9H7CH2CH2C9H7 und (η5:η5-C9H6CH2CH2C9H6)[W(CO)3Me]2

Add time:09/10/2019    Source:sciencedirect.com

The 1,2-bis(3-indenyl)ethane dianion [(C9H6)CH2CH2(C9H6)]2− reacts with the photochemically activated carbonyl complexes M(CO)5(thf) (M = Cr, Mo, W) to give the dinuclear anions [(η5 : η5-C9H6CH2CH2C9H6)[M(CO)3]2]2−. These dianions react with CH3I to yield the corresponding dinuclear complexes, (η5 : η5-C9H6CH2CH2C9H6)[M(CO)3Me]2 (M = Mo, W) and (η6 : η6-C9H6MeCH2CH2C9H6Me)[Cr(CO)3]2, and the mononuclear complex, (η6-C9H6MeCH2CH2C9H7)Cr(CO)3. The crystal structures of C9H7CH2CH2C9H7 and (η5 : η5-C9H6CH2CH2C9H6)[W(CO)3Me]2 have been determined.

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