Compounds in which the two ring components of ferrocene are linked by one or more bridging chains.
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See also: cyclophanes, metallocenes, sandwich compounds
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1335 (https://doi.org/10.1351/pac199567081307)