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[1.1]Ferrocenophanes in solution - Anti or syn isomers? (1996)

Karlsson, Annika ; Löwendahl, Martin ; Hilmersson, Görgan ; [et al.]

Chichester : Wiley-Blackwell

Journal of Physical Organic Chemistry 9 (1996), S. 436-438

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ISSN: 0894-3230

Keywords: Chemistry ; Theoretical, Physical and Computational Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology , Physics

Notes: Carbon-bridged [1.1]ferrocenophanes have generally been assumed to have syn structures, since anti isomers have been considered to be too strained. The recent discovery that such compounds may crystallize as anti isomers raises the question of whether the compounds prefer anti or syn conformations in solution. The synthesis of β-acetyl-[1.1]ferrocenophane (1) and its investigation by 1H,1H-NOESY are reported. Compound 1 was found to be a rapidly equilibrating mixture of syn isomers in CDCl3 at 22 °C.

Additional Material: 3 Ill.

Type of Medium: Electronic Resource

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