SYNTHESIS OF [2,2] FERROCENOPHANE-1,13-DIENE

Abstract
[2,2] Ferrocenophane-1,13-diene (1) was synthesized via the intermolecular coupling of ferrocene-1,1′-dicarbaldehyde (2) with TiCl4–LiAlH4. The catalytic hydrogenation of 1 led to the formation of [2,2] ferrocenophane (7). An alternate approach to the synthesis of 7, involving the reductive coupling of 1,1′-bis(hydroxymethyl)ferrocene with TiCl4–LiAlH4 is described.

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