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Ham A, Overkleeft HS, Filippov DV, Schneider GF. A Three‐Step Synthesis of 4
H
‐Cyclopenta[
def
]phenanthrene from Pyrene. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100190] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Alex Ham
- Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden, The Netherlands
| | - Hermen S. Overkleeft
- Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden, The Netherlands
| | - Dmitri V. Filippov
- Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden, The Netherlands
| | - Grégory F. Schneider
- Leiden Institute of Chemistry Leiden University Einsteinweg 55 2333 CC Leiden, The Netherlands
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2
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Wu Z, Han B, Zhang C, Zhu D, Peng B, Gao L, Ding M, Yang Z. Organosoluble and optically active polyamides based on axially asymmetric 9,9′-spirobifluorene moieties. HIGH PERFORM POLYM 2014. [DOI: 10.1177/0954008314545521] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Optically active polyamides containing axially asymmetric 9,9′-spirobifluorene units in the main chain were synthesized for the first time by low-temperature solution polycondensation of ( R)-2,2′-bis(4-amino-2-trifluoromethylphenoxy)-9,9′-spirobifluorene with various diacyl chlorides. All these polymers were obtained in quantitative yields with inherent viscosities of 0.28–0.43 dL g−1. These polyamides were amorphous and readily soluble in many organic solvents such as N-methyl-2-pyrolidone, N, N-dimethylacetamide (DMAc), dimethyl sulfoxide, and tetrahydrofuran. The glass transition temperatures of these polyamides were recorded in the range of 199–261°C by differential scanning calorimetry, and the 10% weight loss temperatures were over 410°C both under nitrogen and in air atmospheres. The specific rotations of these chiral polyamides oscillated between 65.0° and 127.8° depending on the structures of the diacid chlorides. All the optically active polymers exhibited high chiral stability in solid state or in DMAc solvent at high temperature due to incorporation of chiral spirobifluorone unit in polymer backbones. The ultraviolet–visible and circular dichroism spectroscopic properties of these chiral polyamides in solutions were also studied.
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Affiliation(s)
- Zuolin Wu
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Baochun Han
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Chunhua Zhang
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Danyang Zhu
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Bo Peng
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Lianxun Gao
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Mengxian Ding
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
| | - Zhenghua Yang
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, People’s Republic of China
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Song S, Kim C, Park SH, Kim I, Lee K, Jin Y, Suh H. Synthesis and characterization of polycyclopentaphenanthrene with carbazole or oxidiazole pendant units. Polym J 2012. [DOI: 10.1038/pj.2011.138] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Song SH, Park SH, Jin YE, Kim I, Lee KH, Suh HS. Synthesis and Characterization of Novel Conjugated Polymer with Thiophene and Benzimidazole. B KOREAN CHEM SOC 2011. [DOI: 10.5012/bkcs.2011.32.8.3045] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Cocherel N, Poriel C, Vignau L, Bergamini JF, Rault-Berthelot J. DiSpiroXanthene-IndenoFluorene: A New Blue Emitter for Nondoped Organic Light Emitting Diode Applications. Org Lett 2009; 12:452-5. [DOI: 10.1021/ol9025952] [Citation(s) in RCA: 72] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nicolas Cocherel
- Université de Rennes 1 - UMR CNRS 6226 “Sciences Chimiques de Rennes”-MaCSE group, Bat 10C, Campus de Beaulieu - 35042 Rennes cedex, France, and Université de Bordeaux - IMS/UMR CNRS 5218-site ENSCBP, 16 Avenue Pey-Berland - 33607 Pessac cedex, France
| | - Cyril Poriel
- Université de Rennes 1 - UMR CNRS 6226 “Sciences Chimiques de Rennes”-MaCSE group, Bat 10C, Campus de Beaulieu - 35042 Rennes cedex, France, and Université de Bordeaux - IMS/UMR CNRS 5218-site ENSCBP, 16 Avenue Pey-Berland - 33607 Pessac cedex, France
| | - Laurence Vignau
- Université de Rennes 1 - UMR CNRS 6226 “Sciences Chimiques de Rennes”-MaCSE group, Bat 10C, Campus de Beaulieu - 35042 Rennes cedex, France, and Université de Bordeaux - IMS/UMR CNRS 5218-site ENSCBP, 16 Avenue Pey-Berland - 33607 Pessac cedex, France
| | - Jean-François Bergamini
- Université de Rennes 1 - UMR CNRS 6226 “Sciences Chimiques de Rennes”-MaCSE group, Bat 10C, Campus de Beaulieu - 35042 Rennes cedex, France, and Université de Bordeaux - IMS/UMR CNRS 5218-site ENSCBP, 16 Avenue Pey-Berland - 33607 Pessac cedex, France
| | - Joëlle Rault-Berthelot
- Université de Rennes 1 - UMR CNRS 6226 “Sciences Chimiques de Rennes”-MaCSE group, Bat 10C, Campus de Beaulieu - 35042 Rennes cedex, France, and Université de Bordeaux - IMS/UMR CNRS 5218-site ENSCBP, 16 Avenue Pey-Berland - 33607 Pessac cedex, France
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Song S, Jin Y, Park SH, Kim SH, Kim I, Lee K, Suh H. Syntheses and Characterization of the Alternating Polymers Based on Cyclopenta[def]phenanthrene Backbone with Spiro Group. Polym J 2009. [DOI: 10.1295/polymj.pj2009105] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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