Synthesis and structure of penta-platinum sigma-bonded derivatives of corannulene
- Authors
- Choi, Hyunbong; Kim, Chulwoo; Park, Ki-Min; Kim, Jinho; Kang, Youngjin; Ko, Jaejung
- Issue Date
- 15-Oct-2009
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Corannulene; Oxidative addition; X-ray structure
- Citation
- JOURNAL OF ORGANOMETALLIC CHEMISTRY, v.694, no.22, pp.3529 - 3532
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ORGANOMETALLIC CHEMISTRY
- Volume
- 694
- Number
- 22
- Start Page
- 3529
- End Page
- 3532
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/119111
- DOI
- 10.1016/j.jorganchem.2009.07.015
- ISSN
- 0022-328X
- Abstract
- The synthesis of a new class of Pt(II) complexes with corannulene by way of either oxidative addition or reductive coupling is reported and their crystal structures are investigated. The crystal structure for {trans-Pt(PEt3)(2)Cl}(4){cis-Pt(PEt3)(2)Cl}C20H5 (1) consists of two enantiomers in a unit cell and shows cis- and trans-configuration around Pt(II) due to bulky PEt3 ligands. The pentanuclear Pt(II) complex, 1, readily reacts with 1-ethynyl-4-nitrobenzene to afford the penta-alkynyl substituted Pt(II) complex (2). Although there are still bulky PEt3 ligands around the Pt atoms in 2, all five Pt(II) have trans-configurations. The bowl of corannulene in 2 is shallower than that of 1. Therefore, the bowl depth of corannulene plays a key role in the determination of molecular geometry of sigma-bonded pentanuclear complexes bearing corannulene. (C) 2009 Elsevier B. V. All rights reserved.
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