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  A tris-spiro metalla-aromatic system featuring Craig-Möbius aromaticity

Huang, Z., Zhang, Y., Zhang, W.-X., Wei, J., Ye, S., & Xi, Z. (2021). A tris-spiro metalla-aromatic system featuring Craig-Möbius aromaticity. Nature Communications, 12(1): 1319. doi:10.1038/s41467-021-21648-9.

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 Creators:
Huang, Zhe1, Author
Zhang, Yongliang1, Author
Zhang, Wen-Xiong1, Author
Wei, Junnian1, Author
Ye, Shengfa2, 3, Author           
Xi, Zhenfeng1, 4, Author
Affiliations:
1Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing, 100871, China, ou_persistent22              
2State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, China, ou_persistent22              
3Research Group Ye, Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_2541708              
4State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China, ou_persistent22              

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 Abstract: As aromaticity is one of the most fundamental concepts in chemistry, the construction of aromatic systems has long been an important subject. Herein, we report the synthesis and characterization of a tris-spiroaromatic complex, hexalithio spiro vanadacycle 2. The delocalization of the four electrons within the two V 3d orbitals and the π* orbitals of the three biphenyl ligands leads to a 40π Craig-Möbius aromatic system with three metalla-aromatic rings, as revealed by both experimental measurements and theoretical analyses. For comparison, if Cr is used instead of V, a similar Craig-Möbius aromatic system can not be generated. In this case, pentalithio spiro chromacycle 3 is obtained, and the Cr center uses its two 3d orbitals to form two independent metalla-aromatic rings. This work presents a type of aromatic systems that will contribute to both aromaticity theory and organometallic chemistry.

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Language(s): eng - English
 Dates: 2020-10-212021-02-052021-02-26
 Publication Status: Published online
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41467-021-21648-9
 Degree: -

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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
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Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 12 (1) Sequence Number: 1319 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723