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Synlett 2016; 27(07): 984-1005
DOI: 10.1055/s-0035-1561504
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© Georg Thieme Verlag Stuttgart · New York

Metallocenium Chemistry and Its Emerging Impact on Synthetic Macromolecular Chemistry

Yi Yan*
a   Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, USA   Email: tang4@mailbox.sc.edu
b   Department of Applied Chemistry, School of Science, Northwestern Polytechnical University, Xi'an, Shannxi 710129, P. R. of China   Email: yanyi@nwpu.edu.cn
,
Parasmani Pageni
a   Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, USA   Email: tang4@mailbox.sc.edu
,
Mohammad Pabel Kabir
a   Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, USA   Email: tang4@mailbox.sc.edu
,
Chuanbing Tang*
a   Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, USA   Email: tang4@mailbox.sc.edu
› Author Affiliations
Further Information

Publication History

Received: 29 September 2015

Accepted after revision: 06 November 2015

Publication Date:
17 February 2016 (online)

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Abstract

Cationic metallocenes (or metalloceniums) are a class of sandwich-type compounds with cationic metal centers, which are usually iron, cobalt, or rhodium. These unique charged complexes have received wide attention owing to both rich electrochemistry and the positive charge associated with the transition metal. They are potential building blocks for fabricating functional polyelectrolytes and for possible biomedical applications. As the basis of all metallocenium-containing materials, the synthetic chemistry of metallocenium has been a recently emerging field. In this account, we give a brief summary of metallocenium chemistry. Furthermore, its emerging impact on functional macromolecules is also covered.

1 Introduction

2 Cobaltocenium-Containing Derivatives and Macromolecules

2.1 General Synthetic Routes

2.2 Disubstituted Cobaltoceniums

2.3 Carboxycobaltocenium and Its Derivatives

2.4 Ethynylcobaltocenium and Its Derivatives

2.5 Other Cobaltocenium Derivatives

3 Rhodocenium-Containing Derivatives and Macromolecules

4 Summary and Outlook

Key words

metalloceniums - cobaltocenium - rhodocenium - metallopolymers - polyelectrolytes