Formation of Planar Chiral Platinum Triangles via Pillar[5]arene for Circularly Polarized Luminescence

Huangtianzhi Zhu; Qi Li; Bingbing Shi; Hao Xing; Yan Sun; Shuai Lu; Liqing Shangguan; Xiaopeng Li; Feihe Huang; Peter J Stang

doi:10.1021/jacs.0c09598

Formation of Planar Chiral Platinum Triangles via Pillar[5]arene for Circularly Polarized Luminescence

J Am Chem Soc. 2020 Oct 14;142(41):17340-17345. doi: 10.1021/jacs.0c09598. Epub 2020 Oct 5.

Authors

Huangtianzhi Zhu^{1

2}, Qi Li^{1

2}, Bingbing Shi¹, Hao Xing¹, Yan Sun³, Shuai Lu^{4

5}, Liqing Shangguan¹, Xiaopeng Li⁴, Feihe Huang^{1

5}, Peter J Stang²

Affiliations

¹ State Key Laboratory of Chemical Engineering, Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China.
² Department of Chemistry, University of Utah, Salt Lake City, Utah 84112, United States.
³ School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, P. R. China.
⁴ College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518055, P. R. China.
⁵ Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China.

PMID: 33016703
DOI: 10.1021/jacs.0c09598

Abstract

Chiral metal-organic complexes hold great promise as new functional materials that exhibit unique stereochemical and optical properties. Here, we report the formation of optically pure pillar[5]arene-based platinum chiral metallacycles. By coordination with 60° and 90° Pt(II) acceptors, planar chiral platinum triangles were self-assembled efficiently and characterized by multiple spectroscopic techniques. Optical studies indicated that these metallacycles had chiral properties: pS enantiomers showed a negative Cotton effect, and pR enantiomers exhibited a positive Cotton effect. In addition, these metallacycles also exhibited circularly polarized luminescence.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Boronic Acids / chemistry
Calixarenes / chemistry*
Coordination Complexes / chemistry*
Fluorescent Dyes / chemistry*
Models, Molecular
Molecular Structure
Organoplatinum Compounds / chemistry*
Pyridines / chemistry
Spectrometry, Fluorescence
Stereoisomerism

Substances

Boronic Acids
Coordination Complexes
Fluorescent Dyes
Organoplatinum Compounds
Pyridines
pillar(5)arene
Calixarenes
benzeneboronic acid