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Synthesis 2019; 51(10): 2116-2121
DOI: 10.1055/s-0037-1612122
paper
© Georg Thieme Verlag Stuttgart · New York

Synthesis and Characterization of Enantiopure Tribenzotriquinacene Dimers Bearing a Platinum-Diacetylene Unit

Wen-Rong Xu*
a   Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P. R. of China   eMail: xuwr2016@hainu.edu.cn
,
Xin-Rui Wang
a   Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P. R. of China   eMail: xuwr2016@hainu.edu.cn
,
Hak-Fun Chow
b   Department of Chemistry, State Key Laboratory of Synthetic Chemistry and The Center of Novel Functional Molecules, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
,
Dietmar Kuck
c   Department of Chemistry and Center for Molecular Materials (CM2), Bielefeld University, Bielefeld, 33615, Germany
› InstitutsangabenWe 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)­.
Weitere Informationen

Publikationsverlauf

Received: 28. Oktober 2018

Accepted after revision: 08. Januar 2019

Publikationsdatum:
19. Februar 2019 (online)

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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 structure

Supporting Information

 

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