Volume 53, Issue 25 pp. 6563-6567
Communication

Core-Modified Rubyrins Containing Dithienylethene Moieties

Zhikuan Zhou

Zhikuan Zhou

State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093 (China)

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578 (Japan)

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Dr. Yi Chang

Dr. Yi Chang

State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093 (China)

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Dr. Soji Shimizu

Dr. Soji Shimizu

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578 (Japan)

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Dr. John Mack

Dr. John Mack

Department of Chemistry, Rhodes University, Grahamstown (South Africa)

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Christian Schütt

Christian Schütt

Otto-Diels-Institute for Organic Chemistry, University of Kiel (Germany)

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Prof. Rainer Herges

Prof. Rainer Herges

Otto-Diels-Institute for Organic Chemistry, University of Kiel (Germany)

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Prof. Zhen Shen

Corresponding Author

Prof. Zhen Shen

State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093 (China)

Zhen Shen, State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093 (China)

Nagao Kobayashi, Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578 (Japan)

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Prof. Nagao Kobayashi

Corresponding Author

Prof. Nagao Kobayashi

Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578 (Japan)

Zhen Shen, State Key Laboratory of Coordination Chemistry, Nanjing National Laboratory of Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093 (China)

Nagao Kobayashi, Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, 980-8578 (Japan)

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First published: 29 April 2014
Citations: 27

We acknowledge financial support provided by the Major State Basic Research Development Program of China (2013CB922101 and 2011CB808704), the National Natural Science Foundation of China (21371090) to Z.S. and the Japanese Ministry of Education, Culture, Sports, Science, and Technology (MEXT) through Grant-in-Aids for Scientific Research on Innovative Areas (25109502, “Stimuli-Responsive Chemical Species”), Scientific Research (B) (23350095), and Young Scientist (B) (24750031). R.H. and C.S. are grateful for support from the Deutsche Forschungsgemeinschaft SFB 677 “Function by Switching”. The theoretical calculations were carried out at the Centre for High-Performance Computing in Cape Town and at the Otto-Diels-Institute.

Graphical Abstract

Tuning aromaticity: Two stable core-modified rubyrins bearing one (1) and two (2) dithienylethene (DTE) units have been synthesized. Compound 1, with a “closed-form” DTE unit, has a cyclic conjugated system with 26 π-electrons. In contrast, macrocycle 2 containing one “open-form” DTE unit has nonaromatic properties.

Abstract

Two stable core-modified rubyrins bearing one and two dithienylethene (DTE) units (1 and 2) have been synthesized. With one “closed-form” DTE unit, 1 shows aromaticity associated with its conjugated circuit of 26 π-electrons. In contrast, rubyrin 2 containing one “open-form” DTE unit has nonaromatic properties.

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