(η⁶-[7]Heliphene)tricarbonylchromium via an Optimized Preparation of [7]Heliphene

Abstract

Optimized procedures to [7]heliphene are described that allowed the synthesis of (η⁶-[7]heliphene)tricarbonylchromium and a preliminary exploration of its chemical behavior. DFT calculations provide structural and energetic information on this complex and its haptomeric isomers. Attempts to prepare the corresponding ([7]heliphene)chromium sandwich failed so far, but DFT evidence is presented to indicate that the target should be accessible.

Key words

alkynes - arene complexes - chromium - cobalt - helical structures

• References


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