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Synthesis 2019; 51(10): 2116-2121
DOI: 10.1055/s-0037-1612122
DOI: 10.1055/s-0037-1612122
paper
Synthesis and Characterization of Enantiopure Tribenzotriquinacene Dimers Bearing a Platinum-Diacetylene Unit
Authors
We are grateful for the financial support of this work by Natural Science Foundation of Hainan Province (Grant No. 217008) and Hainan University (Scientific Research Start-up Foundation, Grant No. kyqd1635).
Further Information
Publication History
Received: 28 October 2018
Accepted after revision: 08 January 2019
Publication Date:
19 February 2019 (online)
Abstract
A pair of enantiomerically pure metallodimers containing two deeply concave tribenzotriquinacene (TBTQ) units linked by a platinum-diacetylene unit were synthesized. Such linear metal-centered TBTQ dimers are considered as edges of metallosquares and metallocubes that bear four or eight mutually syn-oriented TBTQ bowls at their tips, respectively. The structures of the metallodimers were characterized by 1H, 13C and 31P NMR spectroscopy, ESI mass spectrometry, and circular dichroism. The single X-ray crystal structure of (+)-enantiomer confirmed the absolute configuration of the metallodimers and revealed an edge (tip-to-tip) length of 18.456 Å and an approximated syn-orientation of the two TBTQ bowls in the solid state.
Key words
chirality - metallodimer - platinum-diacetylene - tribenzotriquinacene - X-ray crystal structureSupporting Information
- Supporting information for this article is available online at https://doi.org/10.1055/s-0037-1612122.
- Supporting Information (PDF)
- CIF File (ZIP)
-
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