Generation and Reactions of a Benzodehydrotropylium Ion-Co(CO) Complex

Overview

Journal ACS Omega

Publisher American Chemical Society

Specialty Chemistry

Date 2019 Nov 19

PMID 31737819

Citations 2

Authors

Mariam A Mehdi

Eric A C Bushnell

Sahar Nikoo

James W Gauld

James R Green

Affiliations

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Abstract

A series of 7-methylenedehydrobenzo[7]annulen-5-ol hexacarbonyldicobalt complexes were generated by Hosomi-Sakurai reactions of allylsilanes containing -alkynylarylaldehyde-Co(CO) complexes. One of the cyclization products was converted into its corresponding dihydrobenzo[7]annulen-7-ol hexacarbonyldicobalt complex, an immediate precursor to a benzodehydrotropylium-Co(CO). The cation was generated in situ and reacted with four nucleophiles, and its aromatic stabilization was determined by computational methods.

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