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Widely applicable metallacarborane reagents for π-conjugated systems.

Authors
  • Farràs, Pau1
  • Musteti, Ana D
  • Rojo, Isabel
  • Viñas, Clara
  • Teixidor, Francesc
  • Light, Mark E
  • 1 Institut de Ciència de Materials de Barcelona (CSIC), Campus de la U.A.B. , E-08193 Bellaterra, Barcelona, Spain. , (Spain)
Type
Published Article
Journal
Inorganic Chemistry
Publisher
American Chemical Society
Publication Date
Jun 02, 2014
Volume
53
Issue
11
Pages
5803–5809
Identifiers
DOI: 10.1021/ic500615k
PMID: 24819777
Source
Medline
License
Unknown

Abstract

The compounds [N(CH3)4][3,3'-Co(8-(p-C6H4C2H3)-1,2-C2B9H10)(1',2'-C2B9H11)], [N(CH3)4][3,3'-Co(8-(p-C6H4CHO)-1,2-C2B9H10)(1',2'-C2B9H11)], and [N(CH3)4][3,3'-Co(8-(m-C6H4CHO)-1,2-C2B9H10)(1',2'-C2B9H11)] were synthesized using an easy methodology, in very good yields and large quantities, which are important requisites to be employed as starting reagents. They have been fully characterized by elemental analysis, IR, NMR, and MALDI-TOF-MS, and the crystal structures of [N(CH3)4][3,3'-Co(8-(p-C6H4C2H3)-1,2-C2B9H10)(1',2'-C2B9H11)] and [N(CH3)4][3,3'-Co(8-(p-C6H4CHO)-1,2-C2B9H10)(1',2'-C2B9H11)] were elucidated by single-crystal X-ray diffraction. These compounds, having terminal formyl and vinyl functional groups, are suitable platforms to involve the aromatic cobaltabisdicarbollide unit into extended π-conjugated systems. It is expected that these synthons will facilitate the applicability of metallacarboranes in a wide variety of different fields, where π-conjugated systems are needed to keep electronic communication.

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